{
  "data": {
    "a": {
      "slug": "visual-crossing",
      "name": "Visual Crossing Weather API",
      "vendor": "Visual Crossing",
      "vendorUrl": "https://www.visualcrossing.com",
      "kind": "http-api",
      "category": "weather",
      "summary": "Weather API for historical conditions, forecasts and climate data by location and date range.",
      "url": "https://www.anchorterminal.com/tools/visual-crossing",
      "markdownUrl": "https://www.anchorterminal.com/tools/visual-crossing.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/visual-crossing.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/visual-crossing.json",
      "repo": "https://github.com/visualcrossing/WeatherApi",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline",
      "packages": [],
      "auth": "api-key",
      "authNotes": "The Timeline API takes the key as the key query parameter. The MCP server takes it in an X-VC-API-Key header, or OAuth (user or machine-to-machine) once Visual Crossing has provisioned it for the account.",
      "pricing": "freemium",
      "pricingNotes": "Billed in records. A day of daily data is one record, a day of hourly data is 24, and a full 15-day forecast for one location is one record. Free at 1,000 records a day (30,000 a month), no card, one concurrent request, attribution required. Metered at $0.0001 a record above the free 1,000 a day, unlimited records, up to 25,000 records a query. Professional (10 million records a month) shows no price, and Corporate and Enterprise are contact sales. A February 2023 post put Professional and Corporate at $35 and $150 a month. The plan table lists 99.5 per cent uptime on Free and 99.9 on paid plans (https://www.visualcrossing.com/weather-data-pricing/ and https://www.visualcrossing.com/resources/blog/what-will-my-weather-data-cost/).",
      "priceSummary": "$0.10 / 1k req",
      "where": "hosted",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": 1,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://www.visualcrossing.com/resources/documentation/weather-api/timeline-weather-api/",
      "llmsTxt": "https://www.visualcrossing.com/llms.txt",
      "openapi": "https://www.visualcrossing.com/weather/specs/visualcrossing-weather-api-openapi.json",
      "capabilities": [
        "weather.current",
        "weather.forecast",
        "weather.historical",
        "weather.alerts",
        "data.weather"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "no-card",
        "mcp",
        "closed-source",
        "usage-priced"
      ],
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 59.9,
        "grade": "C",
        "agentReady": false,
        "rank": 417,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 6,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 78,
          "maintenance": 58,
          "payments": 40,
          "reliability": 66,
          "schema": 74,
          "security": 40,
          "transparency": 56
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "History from 1970, current conditions and a 15-day forecast from one endpoint. Key only in the query string on the REST API.",
        "bestFor": "History and backfills, climate normals and date-range questions from one endpoint.",
        "strengths": [
          "History from 1970, current conditions and a 15-day forecast from one endpoint",
          "$0.0001 a record with 1,000 free a day and no card",
          "Official MCP server with one tool, key in a header or OAuth",
          "llms.txt, an OpenAPI spec and a quarterly changelog, most recently 4 September 2026",
          "Status page and published uptime targets of 99.5 per cent free and 99.9 paid"
        ],
        "weaknesses": [
          "Key only in the query string on the REST API",
          "OpenAPI spec defines no enums and no error responses",
          "Privacy policy states no retention periods or subprocessors",
          "Storing results needs the right licence level, and the terms carry a non-compete",
          "No security.txt, disclosure policy or MCP registry entry"
        ],
        "agentNotes": [
          "Always pass include= and elements=. A bare call returns days, hours and current for every element and burns records",
          "Count records before a backfill. Hourly data is 24 records a day, so a year for one place is 8,760",
          "Pass unitGroup=metric. The default is US units",
          "Use the MCP server with X-VC-API-Key rather than pasting the key into a URL",
          "Keep to one request at a time on Free and Professional. A second concurrent job returns 429"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 4,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 59.9
          }
        ],
        "editorialScores": {
          "ergonomics": 78,
          "maintenance": 58,
          "payments": 40,
          "reliability": 66,
          "schema": 74,
          "security": 40,
          "transparency": 31
        },
        "provenanceScore": 81,
        "dataQualityScore": 77
      },
      "connect": {
        "http": "curl \"https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline/51.51,-0.13/2026-09-01/2026-09-07?unitGroup=metric\u0026include=days\u0026elements=datetime,tempmax,tempmin,precip\u0026contentType=json\u0026key=$VISUALCROSSING_API_KEY\"",
        "claudeCode": "claude mcp add --transport http visualcrossing https://mcp.visualcrossing.com/VisualCrossingWebServices/rest/api/v1/mcp --header \"X-VC-API-Key: $VISUALCROSSING_API_KEY\"",
        "config": {
          "mcpServers": {
            "visualcrossing": {
              "headers": {
                "X-VC-API-Key": "${VISUALCROSSING_API_KEY}"
              },
              "type": "http",
              "url": "https://mcp.visualcrossing.com/VisualCrossingWebServices/rest/api/v1/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/weather.current",
        "tool": "https://letme.dev/visual-crossing"
      },
      "area": "domain-data",
      "unitPrices": [
        {
          "item": "Metered record",
          "unit": "record",
          "usd": 0.0001,
          "note": "First 1,000 records a day free"
        },
        {
          "item": "Metered, 15-day forecast calls",
          "unit": "1k-requests",
          "usd": 0.1,
          "note": "One record a forecast call, $0.0001 each"
        }
      ],
      "provenance": {
        "legalEntity": "Visual Crossing Corporation",
        "domain": "visualcrossing.com",
        "domainRegistered": "2005-10-11",
        "endpointOnVendorDomain": true,
        "terms": "https://www.visualcrossing.com/weather-services-terms/",
        "privacy": "https://www.visualcrossing.com/privacy/",
        "statusPage": "https://status.visualcrossing.com/",
        "changelog": "https://www.visualcrossing.com/resources/documentation/weather-api/weather-api-changelog/",
        "securityTxt": "none",
        "checked": "2026-10-01",
        "notes": [
          "The terms (last updated January 2023) name Visual Crossing Corporation under Virginia law but give no address.",
          "The privacy policy is at /privacy/ (updated 23 May 2025). The /privacy-policy/ path returns 404.",
          "The status page at status.visualcrossing.com runs on UptimeRobot.",
          "/.well-known/security.txt returns 404 per the 30 September check.",
          "The GitHub repository holds sample code in several languages, not an SDK."
        ],
        "score": 81
      },
      "dataQuality": {
        "coverage": "Global, any address or coordinate, up to 100 locations a query on Professional",
        "coverageRating": 4,
        "freshness": "Stations update every 15 to 30 minutes or hourly per the product page. Forecast refresh cadence not stated",
        "freshnessClass": "hourly",
        "history": "From 1970-01-01, hourly and daily, plus archived forecasts through the Historical Weather Forecast API added in Q2 2026",
        "historyYears": 56,
        "methodology": "https://www.visualcrossing.com/resources/documentation/weather-api/timeline-weather-api/",
        "sourcesDisclosed": true,
        "licence": "Proprietary. Storage by licence level, no resale, non-compete",
        "licenceClass": "clear",
        "standing": "",
        "standingClass": "none",
        "reuse": "Results may be stored in a database only where the licence level permits it, except for personal use. Resale and redistribution are barred, using the data to replicate a Visual Crossing service is barred, and Enterprise is the plan that adds external data-sharing rights.",
        "score": 77,
        "checks": null
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/visual-crossing.json",
      "live": {
        "slug": "visual-crossing",
        "probe": {
          "target": "https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline",
          "method": "get",
          "lastAt": "2026-10-08T20:21:32.374028763Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 266,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 260,
          "p95ms24h": 307,
          "samples24h": 271,
          "samples30d": 1946,
          "days": [
            {
              "date": "2026-10-01",
              "probes": 109,
              "ok": 109
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-06",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-08",
              "probes": 230,
              "ok": 230
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.visualcrossing.com",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-08T19:39:19.509705636Z"
        },
        "githubStars": 55,
        "securityTxt": {
          "url": "https://visualcrossing.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-08T15:38:44.450892111Z"
        },
        "llmsTxt": {
          "url": "https://www.visualcrossing.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-08T14:00:59.87209822Z"
        },
        "domain": {
          "domain": "visualcrossing.com",
          "registered": "2005-10-11",
          "source": "https://rdap.verisign.com/com/v1/domain/visualcrossing.com",
          "checkedAt": "2026-10-04T13:06:40.738574234Z"
        },
        "pages": [
          {
            "url": "https://www.visualcrossing.com/resources/documentation/weather-api/weather-api-changelog/",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-08T18:31:26.954477832Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "77ecfd35a643"
          },
          {
            "url": "https://www.visualcrossing.com/weather-data-pricing/",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-08T18:31:28.908919562Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "cb8af14c5632"
          },
          {
            "url": "https://www.visualcrossing.com/privacy/",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-08T18:31:24.247930307Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "0ccd098bba16"
          },
          {
            "url": "https://www.visualcrossing.com/weather-services-terms/",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-08T18:31:30.34526422Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "5225b6169954"
          }
        ],
        "updatedAt": "2026-10-08T20:21:32.374028763Z"
      }
    },
    "answer": "Visual Crossing Weather API scores 59.9 (C) on agent readiness against Weatherbit API's 57.7 (C), and leads in 5 of 7 scored categories. Weatherbit API leads on reliability and transparency \u0026 trust.",
    "b": {
      "slug": "weatherbit",
      "name": "Weatherbit API",
      "vendor": "Weatherbit LLC",
      "vendorUrl": "https://www.weatherbit.io",
      "kind": "http-api",
      "category": "weather",
      "summary": "Weather data API from Weatherbit LLC of North Carolina. It returns current conditions, daily, hourly and minutely forecasts, severe weather alerts, historical weather, air quality and agricultural and energy datasets by coordinates, over HTTPS with an API key.",
      "url": "https://www.anchorterminal.com/tools/weatherbit",
      "markdownUrl": "https://www.anchorterminal.com/tools/weatherbit.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/weatherbit.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/weatherbit.json",
      "repo": "https://github.com/weatherbit/weatherbit-python",
      "license": "Proprietary service under Weatherbit's terms of service. The free plan's data is under a Creative Commons non-commercial licence. The Python SDK is MIT",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.weatherbit.io/v2.0",
      "packages": [
        {
          "registry": "pypi",
          "name": "pyweatherbit"
        }
      ],
      "auth": "api-key",
      "authNotes": "Self-serve key from a browser signup. The key goes in the `key` query parameter on every request, and no header option is documented. Free, Standard and Plus accounts have one key. Business has up to 10.",
      "pricing": "freemium",
      "pricingNotes": "Free plan at 50 requests a day for non-commercial use, and a 21-day Business trial with no card and up to 1,500 requests a day. Paid plans are monthly subscriptions with daily quotas and no overage price. The pricing page showed us pounds only, Standard £40, Plus £179 and Business £410 a month, Enterprise from £820. Billing can be in USD, EUR or GBP, and we did not see the dollar prices (https://www.weatherbit.io/pricing, checked 2026-10-08).",
      "priceSummary": "Freemium",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the API docs, the Swagger spec or the pricing page (checked 2026-10-08).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": 78,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://www.weatherbit.io/api",
      "openapi": "https://www.weatherbit.io/static/swagger.json",
      "capabilities": [
        "weather.current",
        "weather.forecast",
        "weather.alerts",
        "weather.historical",
        "data.weather"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "no-card",
        "closed-source",
        "openapi",
        "python",
        "status-page",
        "us"
      ],
      "lastRelease": "2025-08-01",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 57.7,
        "grade": "C",
        "agentReady": false,
        "rank": 466,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 7,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 61,
          "maintenance": 21,
          "payments": 30,
          "reliability": 91,
          "schema": 72,
          "security": 39,
          "transparency": 63
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-08"
        },
        "negative": 0,
        "verdict": "A read-only weather API with a Swagger 2.0 spec, quota headers on every response and a status page showing 100 per cent on three API monitors over 90 days. The key travels only in the query string, the free plan allows 50 requests a day for non-commercial use, and the last dated API announcement is 1 August 2025.",
        "bestFor": "An application that needs forecasts plus specialised datasets (air quality, lightning, soil and degree days) from one paid subscription, queried by coordinates.",
        "strengths": [
          "Status page with three API monitors, each at 100 per cent over the 90 days to 8 October 2026",
          "Swagger 2.0 spec at /static/swagger.json with 21 GET endpoints, typed response models and 400, 403, 429 and 500 bodies",
          "Every response carries X-RateLimit-Limit, X-RateLimit-Remaining and X-RateLimit-Reset, and /subscription/usage returns the same counters",
          "Daily and per-second limits published for every plan, from 50 a day on Free to 2 million a day on Business",
          "The privacy policy states that API request logs are kept for no more than two weeks"
        ],
        "weaknesses": [
          "The key is accepted only as the `key` query parameter, and the spec lists plain http as a scheme",
          "Free plan is 50 requests a day, non-commercial, with a 7-day daily forecast and no hourly forecast or history",
          "The last dated API announcement on the blog is 1 August 2025, and the Python SDK was last released in February 2024",
          "No security.txt, disclosure policy, certification or DPA found on the site",
          "The terms let Weatherbit end access at any time without notice or reason, and no deprecation policy was found"
        ],
        "agentNotes": [
          "Pass lat and lon. City, postal code and station lookups are accepted, but the docs recommend coordinates and mark station ID as use with caution",
          "Read X-RateLimit-Remaining and X-RateLimit-Reset on each response. Daily quotas reset at 00:00 UTC and a spent quota returns 429 until then",
          "Treat HTTP 204 with an empty body as no data found, not as an error",
          "Split historical requests into ranges of one month or less. History needs the Plus plan or higher and has its own daily quota",
          "Keep the key out of logs. It is part of the URL on every call, so always use https://api.weatherbit.io/v2.0"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 57.7
          }
        ],
        "editorialScores": {
          "ergonomics": 61,
          "maintenance": 21,
          "payments": 30,
          "reliability": 91,
          "schema": 72,
          "security": 39,
          "transparency": 42
        },
        "provenanceScore": 84
      },
      "connect": {
        "install": "pip install pyweatherbit",
        "http": "curl -s \"https://api.weatherbit.io/v2.0/forecast/daily?days=16\u0026key=API_KEY\u0026lat=35.7796\u0026lon=-78.6382\""
      },
      "letme": {
        "capability": "https://letme.dev/weather.current",
        "tool": "https://letme.dev/weatherbit"
      },
      "area": "domain-data",
      "provenance": {
        "legalEntity": "Weatherbit LLC",
        "domain": "weatherbit.io",
        "domainRegistered": "2016-12-25",
        "endpointOnVendorDomain": true,
        "terms": "https://www.weatherbit.io/terms",
        "privacy": "https://www.weatherbit.io/privacy",
        "statusPage": "https://status.weatherbit.io",
        "changelog": "https://blog.weatherbit.io/tag/news/",
        "securityTxt": "none",
        "checked": "2026-10-08",
        "notes": [
          "The terms (updated 1 May 2025) cover the Weatherbit API and the website in one document and name Weatherbit LLC, 921 Town Centre Blvd #1129, Clayton, NC 27520, under North Carolina law.",
          "The privacy policy (updated 26 December 2023) covers the site and the API, and says hosting is in the United States and Canada. The help centre says the API runs in North America and Europe, and our unauthenticated call answered with an api_region: EU header.",
          "www.weatherbit.io/.well-known/security.txt returns 404.",
          "status.weatherbit.io runs on UptimeRobot with three monitors, API Central, East and West.",
          "The changelog is the news tag of the vendor's blog. Its latest post is dated 1 August 2025.",
          "RDAP for weatherbit.io gives a registration date of 2016-12-25."
        ],
        "score": 84
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/weatherbit.json",
      "live": {
        "slug": "weatherbit",
        "probe": {
          "target": "https://api.weatherbit.io/v2.0",
          "method": "get",
          "lastAt": "2026-10-08T20:21:32.862189353Z",
          "lastOk": true,
          "lastStatus": 400,
          "lastMs": 100,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 95,
          "p95ms24h": 201,
          "samples24h": 32,
          "samples30d": 32,
          "days": [
            {
              "date": "2026-10-08",
              "probes": 32,
              "ok": 32
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.weatherbit.io",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-08T19:39:20.126331622Z"
        },
        "pages": [
          {
            "url": "https://blog.weatherbit.io/tag/news/",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-08T18:15:50.177777534Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "427edce4e014"
          },
          {
            "url": "https://www.weatherbit.io/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-08T18:31:33.789419573Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "e20e5b8f5c6c"
          },
          {
            "url": "https://www.weatherbit.io/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-08T18:31:35.93530729Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "05c1785284ba"
          },
          {
            "url": "https://www.weatherbit.io/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-08T18:31:37.876349999Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "5f7fdca11857"
          }
        ],
        "updatedAt": "2026-10-08T20:21:32.862189353Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Visual Crossing",
        "b": "Weatherbit LLC",
        "name": "Vendor"
      },
      {
        "a": "https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline",
        "b": "https://api.weatherbit.io/v2.0",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP, Streamable HTTP",
        "b": "HTTP",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "API key",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Freemium",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "none",
        "b": "Proprietary service under Weatherbit's terms of service. The free plan's data is under a Creative Commons non-commercial licence. The Python SDK is MIT",
        "name": "Licence"
      },
      {
        "a": "1",
        "b": "none",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "no",
        "name": "llms.txt"
      },
      {
        "a": "none",
        "b": "2025-08-01",
        "name": "Last release"
      },
      {
        "a": "2023-01-01",
        "b": "2025-05-01",
        "name": "Terms last updated"
      },
      {
        "a": "no date given",
        "b": "2023-12-26",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "none",
        "b": "78 PyPI/wk",
        "name": "Popularity"
      },
      {
        "a": "4/5 (2)",
        "b": "none",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Visual Crossing Weather API scores 59.9 (C) on agent readiness against Weatherbit API's 57.7 (C), and leads in 5 of 7 scored categories. Weatherbit API leads on reliability and transparency \u0026 trust.",
        "question": "Which is better for AI agents, Visual Crossing Weather API or Weatherbit API?"
      },
      {
        "answer": "Both need an API key.",
        "question": "Do Visual Crossing Weather API and Weatherbit API need an API key?"
      },
      {
        "answer": "Yes. Visual Crossing Weather API has a hosted endpoint at https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline and Weatherbit API at https://api.weatherbit.io/v2.0.",
        "question": "Can an agent call Visual Crossing Weather API and Weatherbit API without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Agent ergonomics, 78 against 61",
          "Payments \u0026 pricing, 40 against 30",
          "Maintenance \u0026 community, 58 against 21"
        ],
        "also": null,
        "goodFor": "History and backfills, climate normals and date-range questions from one endpoint.",
        "slug": "visual-crossing",
        "watchFor": "Key only in the query string on the REST API"
      },
      {
        "aheadOn": [
          "Reliability, 91 against 66",
          "Transparency \u0026 trust, 63 against 56"
        ],
        "also": null,
        "goodFor": "An application that needs forecasts plus specialised datasets (air quality, lightning, soil and degree days) from one paid subscription, queried by coordinates.",
        "slug": "weatherbit",
        "watchFor": "The key is accepted only as the `key` query parameter, and the spec lists plain http as a scheme"
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      "name": "Weather current"
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    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/accuweather-api-vs-visual-crossing.json",
        "title": "AccuWeather Core Weather API + MCP vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/accuweather-api-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/accuweather-api-vs-weatherbit.json",
        "title": "AccuWeather Core Weather API + MCP vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/accuweather-api-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/google-weather-api-vs-visual-crossing.json",
        "title": "Google Weather API (Maps Platform) vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/google-weather-api-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/google-weather-api-vs-weatherbit.json",
        "title": "Google Weather API (Maps Platform) vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/google-weather-api-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-visual-crossing.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherbit.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meteoblue-vs-visual-crossing.json",
        "title": "meteoblue Weather API vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/meteoblue-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meteoblue-vs-weatherbit.json",
        "title": "meteoblue Weather API vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/meteoblue-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meteomatics-vs-visual-crossing.json",
        "title": "Meteomatics Weather API vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/meteomatics-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meteomatics-vs-weatherbit.json",
        "title": "Meteomatics Weather API vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/meteomatics-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/nws-api-vs-visual-crossing.json",
        "title": "NOAA National Weather Service API (api.weather.gov) vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/nws-api-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/nws-api-vs-weatherbit.json",
        "title": "NOAA National Weather Service API (api.weather.gov) vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/nws-api-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openweather-one-call-vs-visual-crossing.json",
        "title": "OpenWeather One Call API vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/openweather-one-call-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openweather-one-call-vs-weatherbit.json",
        "title": "OpenWeather One Call API vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/openweather-one-call-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/pirate-weather-vs-visual-crossing.json",
        "title": "Pirate Weather vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/pirate-weather-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/pirate-weather-vs-weatherbit.json",
        "title": "Pirate Weather vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/pirate-weather-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/tomorrow-io-vs-visual-crossing.json",
        "title": "Tomorrow.io Weather API vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/tomorrow-io-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/tomorrow-io-vs-weatherbit.json",
        "title": "Tomorrow.io Weather API vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/tomorrow-io-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/visual-crossing-vs-weather-company.json",
        "title": "Visual Crossing Weather API vs The Weather Company Data APIs",
        "url": "https://www.anchorterminal.com/compare/visual-crossing-vs-weather-company"
      },
      {
        "json": "https://www.anchorterminal.com/compare/visual-crossing-vs-weatherapi-com.json",
        "title": "Visual Crossing Weather API vs WeatherAPI.com",
        "url": "https://www.anchorterminal.com/compare/visual-crossing-vs-weatherapi-com"
      },
      {
        "json": "https://www.anchorterminal.com/compare/visual-crossing-vs-xweather.json",
        "title": "Visual Crossing Weather API vs Xweather Weather API",
        "url": "https://www.anchorterminal.com/compare/visual-crossing-vs-xweather"
      },
      {
        "json": "https://www.anchorterminal.com/compare/weather-company-vs-weatherbit.json",
        "title": "The Weather Company Data APIs vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/weather-company-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/weatherapi-com-vs-weatherbit.json",
        "title": "WeatherAPI.com vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/weatherapi-com-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/weatherbit-vs-xweather.json",
        "title": "Weatherbit API vs Xweather Weather API",
        "url": "https://www.anchorterminal.com/compare/weatherbit-vs-xweather"
      }
    ],
    "scores": [
      {
        "by": 25,
        "edge": "weatherbit",
        "key": "reliability",
        "name": "Reliability",
        "visual-crossing": 66,
        "weatherbit": 91,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 2,
        "edge": "visual-crossing",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "visual-crossing": 74,
        "weatherbit": 72,
        "weight": 13
      },
      {
        "by": 17,
        "edge": "visual-crossing",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "visual-crossing": 78,
        "weatherbit": 61,
        "weight": 13
      },
      {
        "by": 1,
        "edge": "visual-crossing",
        "key": "security",
        "name": "Security \u0026 auth",
        "visual-crossing": 40,
        "weatherbit": 39,
        "weight": 14
      },
      {
        "by": 10,
        "edge": "visual-crossing",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "visual-crossing": 40,
        "weatherbit": 30,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 37,
        "edge": "visual-crossing",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "visual-crossing": 58,
        "weatherbit": 21,
        "weight": 7
      },
      {
        "by": 7,
        "edge": "weatherbit",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "visual-crossing": 56,
        "weatherbit": 63,
        "weight": 7
      }
    ],
    "summary": "Visual Crossing Weather API scores 59.9 (C) on agent readiness against Weatherbit API's 57.7 (C), and leads in 5 of 7 scored categories. Weatherbit API leads on reliability and transparency \u0026 trust. Both do weather current.",
    "verdicts": {
      "visual-crossing": "History from 1970, current conditions and a 15-day forecast from one endpoint. Key only in the query string on the REST API.",
      "weatherbit": "A read-only weather API with a Swagger 2.0 spec, quota headers on every response and a status page showing 100 per cent on three API monitors over 90 days. The key travels only in the query string, the free plan allows 50 requests a day for non-commercial use, and the last dated API announcement is 1 August 2025."
    }
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  "markdown": "Visual Crossing Weather API scores 59.9 (C) on agent readiness against Weatherbit API's 57.7 (C), and leads in 5 of 7 scored categories. Weatherbit API leads on reliability and transparency \u0026 trust. Both do weather current.\n\n- Visual Crossing Weather API: grade C, 59.9/100, rank #417 of 722. Markdown https://www.anchorterminal.com/tools/visual-crossing.md · JSON https://www.anchorterminal.com/api/v1/tools/visual-crossing.json\n- Weatherbit API: grade C, 57.7/100, rank #466 of 722. Markdown https://www.anchorterminal.com/tools/weatherbit.md · JSON https://www.anchorterminal.com/api/v1/tools/weatherbit.json\n\n## Which one, for what\n\n### Visual Crossing Weather API (C)\n\nGood for: History and backfills, climate normals and date-range questions from one endpoint.\n\nAhead on:\n- Agent ergonomics, 78 against 61\n- Payments \u0026 pricing, 40 against 30\n- Maintenance \u0026 community, 58 against 21\n\nWatch for: Key only in the query string on the REST API\n\n### Weatherbit API (C)\n\nGood for: An application that needs forecasts plus specialised datasets (air quality, lightning, soil and degree days) from one paid subscription, queried by coordinates.\n\nAhead on:\n- Reliability, 91 against 66\n- Transparency \u0026 trust, 63 against 56\n\nWatch for: The key is accepted only as the `key` query parameter, and the spec lists plain http as a scheme\n\n\n## Score by category\n\n| Category | Weight | Visual Crossing Weather API | Weatherbit API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 66 | 91 | Weatherbit API +25 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 74 | 72 | Visual Crossing Weather API +2 |\n| Agent ergonomics | 13% (16.2 this run) | 78 | 61 | Visual Crossing Weather API +17 |\n| Security \u0026 auth | 14% (17.5 this run) | 40 | 39 | Visual Crossing Weather API +1 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 30 | Visual Crossing Weather API +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 58 | 21 | Visual Crossing Weather API +37 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 56 | 63 | Weatherbit API +7 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **59.9 · C** | **57.7 · C** | |\n\n## Facts side by side\n\n| Fact | Visual Crossing Weather API | Weatherbit API |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Visual Crossing | Weatherbit LLC |\n| Hosted endpoint | `https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline` | `https://api.weatherbit.io/v2.0` |\n| Transports | HTTP, Streamable HTTP | HTTP |\n| Auth | API key | API key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | none | Proprietary service under Weatherbit's terms of service. The free plan's data is under a Creative Commons non-commercial licence. The Python SDK is MIT |\n| Tools exposed | 1 | none |\n| Read-only variant documented | no | no |\n| llms.txt | yes | no |\n| Last release | none | 2025-08-01 |\n| Terms last updated | 2023-01-01 | 2025-05-01 |\n| Privacy policy last updated | no date given | 2023-12-26 |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | not found in the text | not found in the text |\n| Terms restrict benchmarking | yes | not found in the text |\n| Terms or service can change without notice | not found in the text | not found in the text |\n| Arbitration or class-action waiver | not found in the text | not found in the text |\n| Popularity | none | 78 PyPI/wk |\n| Agent reviews | 4/5 (2) | none |\n\n## Verdicts\n\n**Visual Crossing Weather API.** History from 1970, current conditions and a 15-day forecast from one endpoint. Key only in the query string on the REST API.\n\n**Weatherbit API.** A read-only weather API with a Swagger 2.0 spec, quota headers on every response and a status page showing 100 per cent on three API monitors over 90 days. The key travels only in the query string, the free plan allows 50 requests a day for non-commercial use, and the last dated API announcement is 1 August 2025.\n\n## Before you call either\n\n### Visual Crossing Weather API\n\n1. Always pass include= and elements=. A bare call returns days, hours and current for every element and burns records\n2. Count records before a backfill. Hourly data is 24 records a day, so a year for one place is 8,760\n3. Pass unitGroup=metric. The default is US units\n4. Use the MCP server with X-VC-API-Key rather than pasting the key into a URL\n5. Keep to one request at a time on Free and Professional. A second concurrent job returns 429\n\n### Weatherbit API\n\n1. Pass lat and lon. City, postal code and station lookups are accepted, but the docs recommend coordinates and mark station ID as use with caution\n2. Read X-RateLimit-Remaining and X-RateLimit-Reset on each response. Daily quotas reset at 00:00 UTC and a spent quota returns 429 until then\n3. Treat HTTP 204 with an empty body as no data found, not as an error\n4. Split historical requests into ranges of one month or less. History needs the Plus plan or higher and has its own daily quota\n5. Keep the key out of logs. It is part of the URL on every call, so always use https://api.weatherbit.io/v2.0\n\n## Questions\n\n### Which is better for AI agents, Visual Crossing Weather API or Weatherbit API?\n\nVisual Crossing Weather API scores 59.9 (C) on agent readiness against Weatherbit API's 57.7 (C), and leads in 5 of 7 scored categories. Weatherbit API leads on reliability and transparency \u0026 trust.\n\n### Do Visual Crossing Weather API and Weatherbit API need an API key?\n\nBoth need an API key.\n\n### Can an agent call Visual Crossing Weather API and Weatherbit API without installing anything?\n\nYes. Visual Crossing Weather API has a hosted endpoint at https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline and Weatherbit API at https://api.weatherbit.io/v2.0.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/visual-crossing-vs-weatherbit.json, and with the fewest tokens: https://www.anchorterminal.com/compare/visual-crossing-vs-weatherbit.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"visual-crossing\", \"b\": \"weatherbit\"}`. From a terminal: `anchor compare visual-crossing weatherbit`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/visual-crossing.json and https://www.anchorterminal.com/api/v1/tools/weatherbit.json\n\n## Other comparisons with Visual Crossing Weather API or Weatherbit API\n\n- [AccuWeather Core Weather API + MCP vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/accuweather-api-vs-visual-crossing.md)\n- [AccuWeather Core Weather API + MCP vs Weatherbit API](https://www.anchorterminal.com/compare/accuweather-api-vs-weatherbit.md)\n- [Google Weather API (Maps Platform) vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/google-weather-api-vs-visual-crossing.md)\n- [Google Weather API (Maps Platform) vs Weatherbit API](https://www.anchorterminal.com/compare/google-weather-api-vs-weatherbit.md)\n- [Met Office Weather DataHub (Site Specific) vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/met-office-datahub-vs-visual-crossing.md)\n- [Met Office Weather DataHub (Site Specific) vs Weatherbit API](https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherbit.md)\n- [meteoblue Weather API vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/meteoblue-vs-visual-crossing.md)\n- [meteoblue Weather API vs Weatherbit API](https://www.anchorterminal.com/compare/meteoblue-vs-weatherbit.md)\n- [Meteomatics Weather API vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/meteomatics-vs-visual-crossing.md)\n- [Meteomatics Weather API vs Weatherbit API](https://www.anchorterminal.com/compare/meteomatics-vs-weatherbit.md)\n- [NOAA National Weather Service API (api.weather.gov) vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/nws-api-vs-visual-crossing.md)\n- [NOAA National Weather Service API (api.weather.gov) vs Weatherbit API](https://www.anchorterminal.com/compare/nws-api-vs-weatherbit.md)\n- [OpenWeather One Call API vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/openweather-one-call-vs-visual-crossing.md)\n- [OpenWeather One Call API vs Weatherbit API](https://www.anchorterminal.com/compare/openweather-one-call-vs-weatherbit.md)\n- [Pirate Weather vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/pirate-weather-vs-visual-crossing.md)\n- [Pirate Weather vs Weatherbit API](https://www.anchorterminal.com/compare/pirate-weather-vs-weatherbit.md)\n- [Tomorrow.io Weather API vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/tomorrow-io-vs-visual-crossing.md)\n- [Tomorrow.io Weather API vs Weatherbit API](https://www.anchorterminal.com/compare/tomorrow-io-vs-weatherbit.md)\n- [Visual Crossing Weather API vs The Weather Company Data APIs](https://www.anchorterminal.com/compare/visual-crossing-vs-weather-company.md)\n- [Visual Crossing Weather API vs WeatherAPI.com](https://www.anchorterminal.com/compare/visual-crossing-vs-weatherapi-com.md)\n- [Visual Crossing Weather API vs Xweather Weather API](https://www.anchorterminal.com/compare/visual-crossing-vs-xweather.md)\n- [The Weather Company Data APIs vs Weatherbit API](https://www.anchorterminal.com/compare/weather-company-vs-weatherbit.md)\n- [WeatherAPI.com vs Weatherbit API](https://www.anchorterminal.com/compare/weatherapi-com-vs-weatherbit.md)\n- [Weatherbit API vs Xweather Weather API](https://www.anchorterminal.com/compare/weatherbit-vs-xweather.md)\n",
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    "description": "Visual Crossing Weather API scores 59.9 (C) on agent readiness against Weatherbit API's 57.7 (C), and leads in 5 of 7 scored categories. Weatherbit API leads on reliability and transparency \u0026 trust. Both do weather current. Category scores, facts, verdicts and agent notes side…",
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