{
  "data": {
    "a": {
      "slug": "bigcommerce",
      "name": "BigCommerce API + MCP",
      "vendor": "BigCommerce (Commerce.com)",
      "vendorUrl": "https://www.bigcommerce.com",
      "kind": "http-api",
      "category": "commerce",
      "summary": "Hosted commerce platform with REST management APIs for catalogue, carts, checkouts, orders and customers, a GraphQL Storefront API, and a beta storefront MCP server that lets an agent search products, build a cart and get a checkout link.",
      "url": "https://www.anchorterminal.com/tools/bigcommerce",
      "markdownUrl": "https://www.anchorterminal.com/tools/bigcommerce.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/bigcommerce.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/bigcommerce.json",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.bigcommerce.com",
      "packages": [],
      "auth": "mixed",
      "authNotes": "Store-level API accounts give a static access token sent as X-Auth-Token, limited by OAuth scopes chosen at creation. Apps get per-store tokens through OAuth. The GraphQL Storefront API takes a JWT. The storefront MCP URL needs no key for guest shopping, and logged-in shoppers connect through Storefront Session Sync.",
      "pricing": "paid",
      "pricingNotes": "Core $39 a month or $29 billed yearly (up to $30K trailing 12-month GMV), Growth $105 or $79 (up to $100K), Scale $399 or $299 (up to $33,333 GMV a month, 0.9% on GMV above that), Performance from $1,499 a month billed yearly. No fee on orders through embedded payment providers. Orders through other providers pay 2.0% of GMV on Core, 1.0% on Growth and 0.6% on Scale. Card processing from 2.89% + $0.29. 15-day free trial with no card needed (https://www.bigcommerce.com/essentials/pricing/).",
      "priceSummary": "$39 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402. The MCP hands the shopper a checkout URL and payment happens in the store's checkout.",
        "endpoints": []
      },
      "toolCount": 7,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.bigcommerce.com/developer/docs/overview/quick-start",
      "llmsTxt": "https://docs.bigcommerce.com/llms.txt",
      "capabilities": [
        "commerce.products",
        "commerce.cart",
        "commerce.checkout",
        "commerce.orders",
        "commerce.headless"
      ],
      "tags": [
        "hosted",
        "closed-source",
        "mcp",
        "llms-txt",
        "webhooks",
        "enterprise"
      ],
      "lastRelease": "2026-09-30",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 64.5,
        "grade": "B",
        "agentReady": false,
        "rank": 180,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 5,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 62,
          "maintenance": 82,
          "payments": 40,
          "reliability": 62,
          "schema": 66,
          "security": 70,
          "transparency": 78
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Published rate limits per plan, with X-Rate-Limit-Time-Reset-Ms on every 429. Storefront MCP is beta, switched on per store, has no back-office tools and documents no tool annotations.",
        "strengths": [
          "Published rate limits per plan, with X-Rate-Limit-Time-Reset-Ms on every 429",
          "PCI DSS Level 1, SOC 1, 2 and 3, and ISO 27001, 27017, 27018 and 27701 listed in the trust centre",
          "Guest shopping through the storefront MCP with no key",
          "Changelog updated almost daily, ten entries on 29 and 30 September 2026",
          "15-day free trial with no card, and official API clients for Python, PHP, Ruby and Node"
        ],
        "weaknesses": [
          "Storefront MCP is beta, switched on per store, has no back-office tools and documents no tool annotations",
          "Access tokens never expire and can't be rotated in place",
          "No current public OpenAPI file and no error-format reference. The old spec repo was archived in December 2023",
          "About 30 status-page incidents between 6 July and 1 October 2026, the longest about 16 hours of degraded search on a subset of stores",
          "Rate-limit quota is shared by every app on the store"
        ],
        "agentNotes": [
          "Give the agent a store-level API account with only the scopes the task needs, and delete it when done",
          "On a 429, wait X-Rate-Limit-Time-Reset-Ms before retrying",
          "Expect up to 10 minutes after a store owner enables the MCP before the URL answers",
          "The MCP stops at a checkout URL. Payment happens in the shopper's browser",
          "Point a coding agent at the docs MCP at https://docs.bigcommerce.com/_mcp/server"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 64.5
          }
        ],
        "editorialScores": {
          "ergonomics": 62,
          "maintenance": 82,
          "payments": 40,
          "reliability": 62,
          "schema": 66,
          "security": 70,
          "transparency": 65
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl \"https://api.bigcommerce.com/stores/$BC_STORE_HASH/v3/catalog/products?limit=5\" \\\n  -H \"X-Auth-Token: $BC_ACCESS_TOKEN\" -H \"Accept: application/json\"",
        "claudeCode": "claude mcp add --transport http bigcommerce \u003cyour-storefront-mcp-url\u003e",
        "config": {
          "mcpServers": {
            "bigcommerce": {
              "type": "streamable-http",
              "url": "\u003cyour-storefront-mcp-url\u003e"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/commerce.products",
        "tool": "https://letme.dev/bigcommerce"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Core",
          "unit": "month",
          "usd": 39,
          "note": "$29 billed yearly, up to $30K trailing 12-month GMV"
        },
        {
          "item": "Growth",
          "unit": "month",
          "usd": 105,
          "note": "$79 billed yearly, up to $100K trailing 12-month GMV"
        },
        {
          "item": "Scale",
          "unit": "month",
          "usd": 399,
          "note": "$299 billed yearly, up to $33,333 GMV a month"
        },
        {
          "item": "Scale GMV overage",
          "unit": "pct",
          "usd": 0.9,
          "note": "on GMV above $33,333 a month"
        },
        {
          "item": "Open payment provider fee on Core",
          "unit": "pct",
          "usd": 2,
          "note": "1.0% on Growth, 0.6% on Scale, none through embedded providers"
        }
      ],
      "provenance": {
        "legalEntity": "Commerce.com US, Inc.",
        "domain": "bigcommerce.com",
        "domainRegistered": "1999-02-08",
        "domainNote": "bigcommerce.com was registered in 1999, a decade before BigCommerce launched in 2009.",
        "endpointOnVendorDomain": true,
        "terms": "https://www.commerce.com/terms/",
        "privacy": "https://www.commerce.com/privacy/",
        "statusPage": "https://status.bigcommerce.com",
        "changelog": "https://docs.bigcommerce.com/developer/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "bigcommerce.com terms and privacy pages redirect to commerce.com after the company's rename to Commerce",
          "Developer docs moved from developer.bigcommerce.com to docs.bigcommerce.com"
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/bigcommerce.json",
      "live": {
        "slug": "bigcommerce",
        "probe": {
          "target": "https://api.bigcommerce.com",
          "method": "get",
          "lastAt": "2026-10-04T23:32:44.029948128Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 161,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 174,
          "p95ms24h": 223,
          "samples24h": 272,
          "samples30d": 1097,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 267,
              "ok": 267
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.bigcommerce.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:27:40.42350683Z"
        },
        "securityTxt": {
          "url": "https://bigcommerce.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:58.907512366Z"
        },
        "llmsTxt": {
          "url": "https://docs.bigcommerce.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:22.500637425Z"
        },
        "domain": {
          "domain": "bigcommerce.com",
          "registered": "1999-02-08",
          "source": "https://rdap.verisign.com/com/v1/domain/bigcommerce.com",
          "checkedAt": "2026-10-04T13:07:08.952554633Z"
        },
        "pages": [
          {
            "url": "https://docs.bigcommerce.com/developer/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:43:15.619046011Z",
            "changedAt": "2026-10-03T15:31:25.513345267Z",
            "fingerprint": "c8bcd5ae974a"
          },
          {
            "url": "https://www.bigcommerce.com/essentials/pricing/",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:49:27.740251752Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "8308d2d7d973"
          },
          {
            "url": "https://www.commerce.com/privacy/",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-10-04T15:49:53.177864777Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "97b18b89f031"
          },
          {
            "url": "https://www.commerce.com/terms/",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:49:57.090147236Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "e6f9d805efcb"
          }
        ],
        "updatedAt": "2026-10-04T23:32:44.029948128Z"
      }
    },
    "b": {
      "slug": "swell",
      "name": "Swell",
      "vendor": "Swell",
      "vendorUrl": "https://www.swell.is",
      "kind": "http-api",
      "category": "commerce",
      "summary": "Hosted headless commerce platform with a REST Backend API (products, carts, orders, subscriptions, coupons, promotions, custom models) and a Frontend API for storefronts.",
      "url": "https://www.anchorterminal.com/tools/swell",
      "markdownUrl": "https://www.anchorterminal.com/tools/swell.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/swell.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/swell.json",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.swell.store",
      "packages": [
        {
          "registry": "npm",
          "name": "swell-node"
        },
        {
          "registry": "npm",
          "name": "swell-js"
        }
      ],
      "auth": "api-key",
      "authNotes": "Backend API uses HTTP Basic auth with the store ID as username and a secret key as password. sk_test_ keys hit the test environment, sk_live_ keys hit live data. The Frontend API (swell-js) uses a public key. Official libraries use a custom wire protocol on port 8443.",
      "pricing": "paid",
      "pricingNotes": "Billed yearly, Starter $29 a month (2 admins, $50K yearly sales), Basic $79 ($250K), Standard $299 ($1M), Unlimited $2,250 ($5M), Custom above $10M. Above the sales ceiling Swell takes 2, 1.5, 1 or 0.4 per cent. Monthly API requests 100K, 500K and 2M on the first three plans, then $5 per extra 100K; function calls and storage are metered the same way. Monthly billing costs more (the page shows 25 per cent off for yearly). Free trial on every plan (https://www.swell.is/pricing).",
      "priceSummary": "$29 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 in the docs, pricing or AI page (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 4510,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developers.swell.is",
      "capabilities": [
        "commerce.products",
        "commerce.cart",
        "commerce.checkout",
        "commerce.orders",
        "commerce.headless"
      ],
      "tags": [
        "hosted",
        "typescript",
        "webhooks",
        "closed-source"
      ],
      "lastRelease": "2026-09-30",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 55.1,
        "grade": "C",
        "agentReady": false,
        "rank": 317,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 8,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 65,
          "maintenance": 82,
          "payments": 25,
          "reliability": 63,
          "schema": 68,
          "security": 35,
          "transparency": 51
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Live /:models schema with field types and descriptions for every store. One full-access secret key per environment, with no scoped or read-only key.",
        "strengths": [
          "Live /:models schema with field types and descriptions for every store",
          "Carts, coupons, promotions, subscriptions and orders in one REST API",
          "Official Claude Code skills with about 320 KB of agent reference and their own evals",
          "Public plan prices with per-unit overage for API requests and storage",
          "Events audit log in the developer console since 30 September 2026"
        ],
        "weaknesses": [
          "One full-access secret key per environment, with no scoped or read-only key",
          "Invalid writes return HTTP 200 with an errors object",
          "Rate-limit numbers aren't published",
          "No llms.txt, OpenAPI, security.txt or disclosure policy",
          "No DPA, subprocessor list or deprecation policy found"
        ],
        "agentNotes": [
          "Call GET /:models once and cache it. It's the ground truth for custom fields",
          "Check `result.errors` after every write. A failed validation still returns 200",
          "Use `$set` to replace an array. A plain PUT merges arrays by element id and never shrinks them",
          "Use an sk_test_ key while testing. A bare sk_ prefix is live",
          "Keep `expand` and `include` small. Each level past the first three points adds rate-limit weight"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 55.1
          }
        ],
        "editorialScores": {
          "ergonomics": 65,
          "maintenance": 82,
          "payments": 25,
          "reliability": 63,
          "schema": 68,
          "security": 35,
          "transparency": 31
        },
        "provenanceScore": 71
      },
      "connect": {
        "http": "curl \"https://api.swell.store/products?limit=5\" -u \"$SWELL_STORE_ID:$SWELL_SECRET_KEY\""
      },
      "letme": {
        "capability": "https://letme.dev/commerce.products",
        "tool": "https://letme.dev/swell"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Starter",
          "unit": "month",
          "usd": 29,
          "note": "billed yearly, up to $50K sales a year, 100K API requests a month"
        },
        {
          "item": "Basic",
          "unit": "month",
          "usd": 79,
          "note": "billed yearly, up to $250K sales, 500K API requests"
        },
        {
          "item": "Standard",
          "unit": "month",
          "usd": 299,
          "note": "billed yearly, up to $1M sales, 2M API requests"
        },
        {
          "item": "Unlimited",
          "unit": "month",
          "usd": 2250,
          "note": "billed yearly, up to $5M sales"
        },
        {
          "item": "Fee above Starter ceiling",
          "unit": "pct",
          "usd": 2,
          "note": "on sales over $50K in a trailing 12 months"
        },
        {
          "item": "Fee above Basic ceiling",
          "unit": "pct",
          "usd": 1.5,
          "note": "on sales over $250K"
        },
        {
          "item": "Fee above Standard ceiling",
          "unit": "pct",
          "usd": 1,
          "note": "on sales over $1M"
        },
        {
          "item": "Fee above Unlimited ceiling",
          "unit": "pct",
          "usd": 0.4,
          "note": "on sales over $5M"
        },
        {
          "item": "Extra API requests",
          "unit": "1k-requests",
          "usd": 0.05,
          "note": "$5 per 100K over the plan quota"
        }
      ],
      "provenance": {
        "legalEntity": "Swell Commerce Corp.",
        "domain": "swell.is",
        "domainRegistered": "2019-09-06",
        "endpointOnVendorDomain": false,
        "terms": "https://www.swell.is/legal/terms-of-service",
        "privacy": "https://www.swell.is/legal/privacy-policy",
        "statusPage": "https://status.swell.store/",
        "changelog": "https://www.swell.is/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "The API runs on api.swell.store, Swell's older domain, not swell.is.",
          "/.well-known/security.txt redirects to itself, so no file could be read."
        ],
        "score": 71
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/swell.json",
      "live": {
        "slug": "swell",
        "probe": {
          "target": "https://api.swell.store",
          "method": "get",
          "lastAt": "2026-10-04T23:32:55.054388901Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 423,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 424,
          "p95ms24h": 493,
          "samples24h": 272,
          "samples30d": 1097,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 267,
              "ok": 267
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.swell.store",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:28:03.403112091Z"
        },
        "versions": [
          {
            "registry": "npm",
            "name": "swell-js",
            "version": "5.9.1",
            "seenAt": "2026-10-04T16:41:14.900438488Z"
          },
          {
            "registry": "npm",
            "name": "swell-node",
            "version": "6.0.5",
            "seenAt": "2026-10-04T16:41:14.06948726Z"
          }
        ],
        "npmWeekly": 1318,
        "securityTxt": {
          "url": "https://swell.is/.well-known/security.txt",
          "state": "unknown",
          "checkedAt": "2026-10-04T15:15:43.053806639Z"
        },
        "domain": {
          "domain": "swell.is",
          "registered": "2019-09-06",
          "source": "https://rdap.isnic.is/rdap/domain/swell.is",
          "checkedAt": "2026-10-04T13:09:13.981723691Z"
        },
        "pages": [
          {
            "url": "https://www.swell.is/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:21.610635571Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "1629c2fb7a64"
          },
          {
            "url": "https://www.swell.is/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:27.807838884Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "32193c4b3a20"
          },
          {
            "url": "https://www.swell.is/legal/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:23.811781459Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "fbd01fa046b6"
          },
          {
            "url": "https://www.swell.is/legal/terms-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:25.803068539Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "4090f2726940"
          }
        ],
        "updatedAt": "2026-10-04T23:32:55.054388901Z"
      }
    },
    "summary": "BigCommerce API + MCP has a score of 64.5 (B) against Swell's 55.1 (C). Both do commerce products. The largest gap is security \u0026 auth, 35 points."
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/bigcommerce-vs-swell",
    "json": "https://www.anchorterminal.com/compare/bigcommerce-vs-swell.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/bigcommerce-vs-swell.md",
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  "markdown": "BigCommerce API + MCP has a score of 64.5 (B) against Swell's 55.1 (C). Both do commerce products. The largest gap is security \u0026 auth, 35 points.\n\n- BigCommerce API + MCP: grade B, 64.5/100, rank #180 of 452. Markdown https://www.anchorterminal.com/tools/bigcommerce.md · JSON https://www.anchorterminal.com/api/v1/tools/bigcommerce.json\n- Swell: grade C, 55.1/100, rank #317 of 452. Markdown https://www.anchorterminal.com/tools/swell.md · JSON https://www.anchorterminal.com/api/v1/tools/swell.json\n\n## Which one, for what\n\nPick BigCommerce API + MCP for security \u0026 auth (+35), payments \u0026 pricing (+15), transparency \u0026 trust (+27).\n\nPick Swell for nothing in particular (no category where it leads by five points or more).\n\n## Score by category\n\n| Category | Weight | BigCommerce API + MCP | Swell | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 62 | 63 | Swell +1 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 66 | 68 | Swell +2 |\n| Agent ergonomics | 13% (16.2 this run) | 62 | 65 | Swell +3 |\n| Security \u0026 auth | 14% (17.5 this run) | 70 | 35 | BigCommerce API + MCP +35 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 25 | BigCommerce API + MCP +15 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 82 | 82 | even |\n| Transparency \u0026 trust | 7% (8.8 this run) | 78 | 51 | BigCommerce API + MCP +27 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **64.5 · B** | **55.1 · C** | |\n\n## Facts side by side\n\n| Fact | BigCommerce API + MCP | Swell |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | BigCommerce (Commerce.com) | Swell |\n| Hosted endpoint | `https://api.bigcommerce.com` | `https://api.swell.store` |\n| Transports | HTTP, Streamable HTTP | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Paid | Paid |\n| x402 | no | no |\n| Licence | none | none |\n| Tools exposed | 7 | none |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | no |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-30 | 2026-09-30 |\n| Popularity | none | 4.5k npm/wk |\n| Agent reviews | 3/5 (2) | 2.5/5 (2) |\n\n## Verdicts\n\n**BigCommerce API + MCP.** Published rate limits per plan, with X-Rate-Limit-Time-Reset-Ms on every 429. Storefront MCP is beta, switched on per store, has no back-office tools and documents no tool annotations.\n\n**Swell.** Live /:models schema with field types and descriptions for every store. One full-access secret key per environment, with no scoped or read-only key.\n\n## Before you call either\n\n### BigCommerce API + MCP\n\n1. Give the agent a store-level API account with only the scopes the task needs, and delete it when done\n2. On a 429, wait X-Rate-Limit-Time-Reset-Ms before retrying\n3. Expect up to 10 minutes after a store owner enables the MCP before the URL answers\n4. The MCP stops at a checkout URL. Payment happens in the shopper's browser\n5. Point a coding agent at the docs MCP at https://docs.bigcommerce.com/_mcp/server\n\n### Swell\n\n1. Call GET /:models once and cache it. It's the ground truth for custom fields\n2. Check `result.errors` after every write. A failed validation still returns 200\n3. Use `$set` to replace an array. A plain PUT merges arrays by element id and never shrinks them\n4. Use an sk_test_ key while testing. A bare sk_ prefix is live\n5. Keep `expand` and `include` small. Each level past the first three points adds rate-limit weight\n\n## Other comparisons with BigCommerce API + MCP or Swell\n\n- [BigCommerce API + MCP vs Commerce Layer API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-commerce-layer.md)\n- [BigCommerce API + MCP vs Elastic Path API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-elastic-path.md)\n- [BigCommerce API + MCP vs Medusa API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-medusa.md)\n- [BigCommerce API + MCP vs Saleor API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-saleor.md)\n- [BigCommerce API + MCP vs Shopify API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-shopify.md)\n- [BigCommerce API + MCP vs Snipcart API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-snipcart.md)\n- [BigCommerce API + MCP vs Vendure](https://www.anchorterminal.com/compare/bigcommerce-vs-vendure.md)\n- [BigCommerce API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-woocommerce.md)\n- [Commerce Layer API + MCP vs Swell](https://www.anchorterminal.com/compare/commerce-layer-vs-swell.md)\n- [Elastic Path API + MCP vs Swell](https://www.anchorterminal.com/compare/elastic-path-vs-swell.md)\n- [Medusa API + MCP vs Swell](https://www.anchorterminal.com/compare/medusa-vs-swell.md)\n- [Saleor API + MCP vs Swell](https://www.anchorterminal.com/compare/saleor-vs-swell.md)\n- [Shopify API + MCP vs Swell](https://www.anchorterminal.com/compare/shopify-vs-swell.md)\n- [Snipcart API + MCP vs Swell](https://www.anchorterminal.com/compare/snipcart-vs-swell.md)\n- [Swell vs Vendure](https://www.anchorterminal.com/compare/swell-vs-vendure.md)\n- [Swell vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/swell-vs-woocommerce.md)\n",
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    "description": "BigCommerce API + MCP has a score of 64.5 (B) against Swell's 55.1 (C). Both do commerce products. The largest gap is security \u0026 auth, 35 points. Category scores, facts, verdicts and agent notes side by side.",
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