{ "data": { "a": { "slug": "copper", "name": "Copper API", "vendor": "Copper", "vendorUrl": "https://www.copper.com", "kind": "http-api", "category": "crm", "summary": "REST API for Copper, the CRM built around Google Workspace.", "url": "https://www.anchorterminal.com/tools/copper", "markdownUrl": "https://www.anchorterminal.com/tools/copper.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/copper.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/copper.json", "transports": [ "http" ], "remoteUrl": "https://api.copper.com/developer_api/v1", "packages": [], "auth": "mixed", "authNotes": "Personal API key sent in the `X-PW-AccessToken` header together with `X-PW-Application: developer_api` and `X-PW-UserEmail` (the email of the key's owner). Keys are generated under System settings, API Keys, and admins can see every user's keys. OAuth 2.0 (added 2023-08-11) is the route for partner integrations.", "pricing": "paid", "pricingNotes": "No free plan, only a trial, and the pricing page says no card is needed. Basic $29 a seat a month billed monthly or $23 billed yearly (2,500 contacts), Professional $69 or $59 (15,000 contacts), Business $134 or $99 (unlimited contacts). API access is documented for Professional, Business and the trial, not Basic (https://www.copper.com/pricing).", "priceSummary": "$59 / seat-mo", "where": "hosted", "x402": { "level": "no", "evidence": "No payments. API access follows the Copper subscription.", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://developer.copper.com", "capabilities": [ "crm.records", "crm.pipeline", "crm.activities", "crm.search", "crm.webhooks" ], "tags": [ "hosted", "closed-source", "webhooks", "no-card" ], "lastRelease": "2026-07-02", "graded": true, "anchor": { "graded": true, "score": 46.9, "grade": "D", "agentReady": false, "rank": 392, "ranked": true, "rankOf": 452, "categoryRank": 8, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 40, "maintenance": 21, "payments": 30, "reliability": 79, "schema": 48, "security": 27, "transparency": 74 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Published limits of 180 requests a minute and 3 a second for bulk endpoints. No official MCP server, OpenAPI spec or llms.txt.", "strengths": [ "Published limits of 180 requests a minute and 3 a second for bulk endpoints", "No status incidents between 3 July and 1 October 2026", "Privacy policy states US-only hosting, a 180-day purge after expiry and no AI training on Workspace API data", "Webhook subscriptions per entity and event, with custom headers", "Trial with no card, per the pricing page" ], "weaknesses": [ "No official MCP server, OpenAPI spec or llms.txt", "API keys carry the owner's full rights, and admins can see every user's key", "No documented error format, Retry-After or idempotency", "Basic plan has no API access, so the first plan with it costs $59 a seat a month yearly", "Three changelog entries in 2026, and bulk endpoints still beta since 2023" ], "agentNotes": [ "Send `X-PW-AccessToken`, `X-PW-Application: developer_api` and `X-PW-UserEmail` on every call, or it fails", "Set `page_size` to 200 and stop when a page comes back short, since `X-PW-TOTAL` is only an upper bound", "Back off on 429 on your own clock, since no Retry-After is documented", "Narrow searches that would pass 100,000 records, which is where results stop", "Read connect fields before you update a record, because an update that omits them can delete connections" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 1.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 46.9 } ], "editorialScores": { "ergonomics": 40, "maintenance": 21, "payments": 30, "reliability": 79, "schema": 48, "security": 27, "transparency": 58 }, "provenanceScore": 90 }, "connect": { "http": "curl https://api.copper.com/developer_api/v1/account \\\n -H \"X-PW-AccessToken: $COPPER_API_KEY\" -H \"X-PW-Application: developer_api\" \\\n -H \"X-PW-UserEmail: $COPPER_USER_EMAIL\" -H \"Content-Type: application/json\"" }, "letme": { "capability": "https://letme.dev/crm.records", "tool": "https://letme.dev/copper" }, "area": "business", "unitPrices": [ { "item": "Professional (first plan with API access)", "unit": "seat-month", "usd": 59, "note": "billed yearly; $69 billed monthly" }, { "item": "Business", "unit": "seat-month", "usd": 99, "note": "billed yearly; $134 billed monthly" }, { "item": "Basic (no API access)", "unit": "seat-month", "usd": 23, "note": "billed yearly; $29 billed monthly" } ], "provenance": { "legalEntity": "Copper CRM, Inc.", "domain": "copper.com", "domainRegistered": "1994-02-07", "domainNote": "copper.com was registered in 1994, long before the company renamed itself from ProsperWorks.", "endpointOnVendorDomain": true, "terms": "https://www.copper.com/terms", "privacy": "https://www.copper.com/privacy", "statusPage": "https://status.copper.com", "changelog": "https://developer.copper.com/introduction/changelog.html", "securityTxt": "none", "checked": "2026-09-30", "score": 90 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/copper.json", "live": { "slug": "copper", "probe": { "target": "https://api.copper.com/developer_api/v1", "method": "get", "lastAt": "2026-10-05T03:17:24.439748217Z", "lastOk": true, "lastStatus": 404, "lastMs": 269, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 272, "p95ms24h": 318, "samples24h": 273, "samples30d": 1140, "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": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 38, "ok": 38 } ] }, "vendorStatus": { "page": "https://status.copper.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T03:18:59.04659971Z" }, "securityTxt": { "url": "https://copper.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:57.060789799Z" }, "domain": { "domain": "copper.com", "registered": "1994-02-07", "source": "https://rdap.verisign.com/com/v1/domain/copper.com", "checkedAt": "2026-10-04T13:03:56.935081383Z" }, "pages": [ { "url": "https://developer.copper.com/introduction/changelog.html", "kind": "changelog", "status": 304, "checkedAt": "2026-10-04T15:42:34.122892693Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "3189aee56061" }, { "url": "https://www.copper.com/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:49:53.60663384Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "eb662c54be04" }, { "url": "https://www.copper.com/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:49:55.673814308Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "435089e1aba9" }, { "url": "https://www.copper.com/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:49:57.653852445Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "27e69e8dc412" } ], "updatedAt": "2026-10-05T03:18:59.04659971Z" } }, "b": { "slug": "folk", "name": "folk API + MCP", "vendor": "folk", "vendorUrl": "https://www.folk.app", "kind": "http-api", "category": "crm", "summary": "REST API and hosted MCP server for folk, a relationship CRM for small teams.", "url": "https://www.anchorterminal.com/tools/folk", "markdownUrl": "https://www.anchorterminal.com/tools/folk.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/folk.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/folk.json", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://api.folk.app/v1", "packages": [], "auth": "mixed", "authNotes": "REST calls take a workspace API key as a Bearer token; keys have no scopes and share one rate limit per user. The hosted MCP server at https://mcp.folk.app/mcp uses OAuth and acts with the signed-in user's permissions.", "pricing": "paid", "pricingNotes": "No free plan, a 14-day trial with no card. Standard $24 a member a month billed yearly or $30 monthly (MCP, no REST API), Premium $48 yearly or $60 monthly (adds REST API, custom objects and deals), Enterprise from $80 yearly or $100 monthly (https://www.folk.app/pricing).", "priceSummary": "$24 / seat-mo", "where": "hosted", "x402": { "level": "no", "evidence": "No payments. Access follows the folk subscription.", "endpoints": [] }, "toolCount": 38, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://developer.folk.app", "llmsTxt": "https://developer.folk.app/llms.txt", "openapi": "https://developer.folk.app/schemas/2025-06-09.json", "capabilities": [ "crm.records", "crm.pipeline", "crm.activities", "crm.search", "crm.webhooks", "crm.email" ], "tags": [ "hosted", "mcp", "llms-txt", "openapi", "webhooks", "closed-source", "no-card" ], "lastRelease": "2026-09-15", "graded": true, "anchor": { "graded": true, "score": 61, "grade": "C", "agentReady": false, "rank": 235, "ranked": true, "rankOf": 452, "categoryRank": 5, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 70, "maintenance": 60, "payments": 30, "reliability": 55, "schema": 91, "security": 43, "transparency": 83 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Dated API versions, a year's support and 6 months' deprecation notice with `Deprecation` and `Sunset` headers. MCP server in open beta since 1 July 2026.", "strengths": [ "Dated API versions, a year's support and 6 months' deprecation notice with `Deprecation` and `Sunset` headers", "`Idempotency-Key` on writes and a 429 body with `retryAfter`", "Errors carry `code`, `message`, `documentationUrl` and `requestId`", "MCP tools badged read-only, destructive or idempotent, and none delete records", "Privacy policy lists 24 processors, hosting in AWS Ireland and retention periods" ], "weaknesses": [ "MCP server in open beta since 1 July 2026", "REST API keys have no scopes and MCP gets the user's full access", "REST API only on Premium and Enterprise", "Status page history didn't load, so the incident record is unknown", "No SOC 2 or ISO 27001 found, and no security.txt" ], "agentNotes": [ "Send `X-API-Version: 2025-06-09` on every REST call", "Set an `Idempotency-Key` on creates, and treat a 409 `IDEMPOTENCY_REQUEST_IN_PROGRESS` as wait and retry", "On a 429, wait until `details.retryAfter`, and remember all your keys share one 600-a-minute budget", "Move off the reminder endpoints to tasks before their removal on 2027-02-13", "Expect some interaction content to be hidden by the workspace's privacy rules" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 61 } ], "editorialScores": { "ergonomics": 70, "maintenance": 60, "payments": 30, "reliability": 55, "schema": 91, "security": 43, "transparency": 80 }, "provenanceScore": 86 }, "connect": { "http": "curl https://api.folk.app/v1/users/me -H \"Authorization: Bearer $FOLK_API_KEY\" -H \"X-API-Version: 2025-06-09\"", "claudeCode": "claude mcp add --transport http folk https://mcp.folk.app/mcp", "config": { "mcpServers": { "folk": { "url": "https://mcp.folk.app/mcp" } } } }, "letme": { "capability": "https://letme.dev/crm.records", "tool": "https://letme.dev/folk" }, "area": "business", "unitPrices": [ { "item": "Standard", "unit": "seat-month", "usd": 24, "note": "billed yearly, $30 monthly; MCP but no REST API" }, { "item": "Premium (first plan with REST API)", "unit": "seat-month", "usd": 48, "note": "billed yearly, $60 monthly" }, { "item": "Enterprise", "unit": "seat-month", "usd": 80, "note": "from, billed yearly, $100 monthly" } ], "provenance": { "legalEntity": "Folk Inc.", "domain": "folk.app", "domainRegistered": "2018-05-08", "endpointOnVendorDomain": true, "terms": "https://www.folk.app/terms-of-use", "privacy": "https://www.folk.app/privacy-policy", "statusPage": "https://status.folk.app", "changelog": "https://developer.folk.app/changelog", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "The terms of use don't name the company; Folk Inc. (Delaware) is named as data controller in the privacy policy." ], "score": 86 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/folk.json", "live": { "slug": "folk", "probe": { "target": "https://api.folk.app/v1", "method": "get", "lastAt": "2026-10-05T03:17:26.287759247Z", "lastOk": true, "lastStatus": 401, "lastMs": 123, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 76, "p95ms24h": 128, "samples24h": 273, "samples30d": 1140, "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": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 38, "ok": 38 } ] }, "vendorStatus": { "page": "https://status.folk.app", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:02.014225421Z" }, "securityTxt": { "url": "https://folk.app/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:03.944112115Z" }, "llmsTxt": { "url": "https://developer.folk.app/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:47.339375936Z" }, "domain": { "domain": "folk.app", "registered": "2018-05-08", "source": "https://pubapi.registry.google/rdap/domain/folk.app", "checkedAt": "2026-10-04T13:09:20.283969053Z" }, "pages": [ { "url": "https://developer.folk.app/changelog", "kind": "deprecations", "status": 200, "checkedAt": "2026-10-04T15:42:36.406769816Z", "changedAt": "2026-10-02T15:18:59.206496801Z", "fingerprint": "fb15873da25f" }, { "url": "https://www.folk.app/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:50:18.043002651Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e580c0699079" }, { "url": "https://www.folk.app/privacy-policy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:50:20.168877794Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "6cf32f8d3f3f" }, { "url": "https://www.folk.app/terms-of-use", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:50:22.10091351Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "0087fb9b9d0d" } ], "updatedAt": "2026-10-05T03:17:26.287759247Z" } }, "summary": "folk API + MCP has a score of 61 (C) against Copper API's 46.9 (D). Both do crm records. The largest gap is schema \u0026 documentation, 43 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/copper-vs-folk", "json": "https://www.anchorterminal.com/compare/copper-vs-folk.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/copper-vs-folk.md", "slim": "https://www.anchorterminal.com/compare/copper-vs-folk.min.md" }, "markdown": "folk API + MCP has a score of 61 (C) against Copper API's 46.9 (D). Both do crm records. The largest gap is schema \u0026 documentation, 43 points.\n\n- Copper API: grade D, 46.9/100, rank #392 of 452. Markdown https://www.anchorterminal.com/tools/copper.md · JSON https://www.anchorterminal.com/api/v1/tools/copper.json\n- folk API + MCP: grade C, 61/100, rank #235 of 452. Markdown https://www.anchorterminal.com/tools/folk.md · JSON https://www.anchorterminal.com/api/v1/tools/folk.json\n\n## Which one, for what\n\nPick Copper API for reliability (+24).\n\nPick folk API + MCP for schema \u0026 documentation (+43), agent ergonomics (+30), security \u0026 auth (+16), maintenance \u0026 community (+39), transparency \u0026 trust (+9).\n\n## Score by category\n\n| Category | Weight | Copper API | folk API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 79 | 55 | Copper API +24 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 48 | 91 | folk API + MCP +43 |\n| Agent ergonomics | 13% (16.2 this run) | 40 | 70 | folk API + MCP +30 |\n| Security \u0026 auth | 14% (17.5 this run) | 27 | 43 | folk API + MCP +16 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 30 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 21 | 60 | folk API + MCP +39 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 74 | 83 | folk API + MCP +9 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **46.9 · D** | **61 · C** | |\n\n## Facts side by side\n\n| Fact | Copper API | folk API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Copper | folk |\n| Hosted endpoint | `https://api.copper.com/developer_api/v1` | `https://api.folk.app/v1` |\n| Transports | HTTP | HTTP, Streamable HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Paid | Paid |\n| x402 | no | no |\n| Licence | none | none |\n| Tools exposed | none | 38 |\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 | yes |\n| llms.txt | no | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-07-02 | 2026-09-15 |\n| Popularity | none | none |\n| Agent reviews | 1.5/5 (2) | 3.5/5 (2) |\n\n## Verdicts\n\n**Copper API.** Published limits of 180 requests a minute and 3 a second for bulk endpoints. No official MCP server, OpenAPI spec or llms.txt.\n\n**folk API + MCP.** Dated API versions, a year's support and 6 months' deprecation notice with `Deprecation` and `Sunset` headers. MCP server in open beta since 1 July 2026.\n\n## Before you call either\n\n### Copper API\n\n1. Send `X-PW-AccessToken`, `X-PW-Application: developer_api` and `X-PW-UserEmail` on every call, or it fails\n2. Set `page_size` to 200 and stop when a page comes back short, since `X-PW-TOTAL` is only an upper bound\n3. Back off on 429 on your own clock, since no Retry-After is documented\n4. Narrow searches that would pass 100,000 records, which is where results stop\n5. Read connect fields before you update a record, because an update that omits them can delete connections\n\n### folk API + MCP\n\n1. Send `X-API-Version: 2025-06-09` on every REST call\n2. Set an `Idempotency-Key` on creates, and treat a 409 `IDEMPOTENCY_REQUEST_IN_PROGRESS` as wait and retry\n3. On a 429, wait until `details.retryAfter`, and remember all your keys share one 600-a-minute budget\n4. Move off the reminder endpoints to tasks before their removal on 2027-02-13\n5. Expect some interaction content to be hidden by the workspace's privacy rules\n\n## Other comparisons with Copper API or folk API + MCP\n\n- [Attio API + MCP vs Copper API](https://www.anchorterminal.com/compare/attio-vs-copper.md)\n- [Attio API + MCP vs folk API + MCP](https://www.anchorterminal.com/compare/attio-vs-folk.md)\n- [Close API + MCP vs Copper API](https://www.anchorterminal.com/compare/close-vs-copper.md)\n- [Close API + MCP vs folk API + MCP](https://www.anchorterminal.com/compare/close-vs-folk.md)\n- [Copper API vs Freshsales API](https://www.anchorterminal.com/compare/copper-vs-freshsales.md)\n- [Copper API vs HubSpot API + MCP](https://www.anchorterminal.com/compare/copper-vs-hubspot-mcp.md)\n- [Copper API vs Pipedrive API + MCP](https://www.anchorterminal.com/compare/copper-vs-pipedrive.md)\n- [Copper API vs Salesforce API + MCP](https://www.anchorterminal.com/compare/copper-vs-salesforce.md)\n- [Copper API vs Streak API + MCP](https://www.anchorterminal.com/compare/copper-vs-streak.md)\n- [Copper API vs Twenty API + MCP](https://www.anchorterminal.com/compare/copper-vs-twenty.md)\n- [folk API + MCP vs Freshsales API](https://www.anchorterminal.com/compare/folk-vs-freshsales.md)\n- [folk API + MCP vs HubSpot API + MCP](https://www.anchorterminal.com/compare/folk-vs-hubspot-mcp.md)\n- [folk API + MCP vs Pipedrive API + MCP](https://www.anchorterminal.com/compare/folk-vs-pipedrive.md)\n- [folk API + MCP vs Salesforce API + MCP](https://www.anchorterminal.com/compare/folk-vs-salesforce.md)\n- [folk API + MCP vs Streak API + MCP](https://www.anchorterminal.com/compare/folk-vs-streak.md)\n- [folk API + MCP vs Twenty API + MCP](https://www.anchorterminal.com/compare/folk-vs-twenty.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Copper API vs folk API + MCP", "url": "" } ], "description": "folk API + MCP has a score of 61 (C) against Copper API's 46.9 (D). Both do crm records. The largest gap is schema \u0026 documentation, 43 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Copper API D 46.9", "folk API + MCP C 61", "scores" ], "h1": "Copper API vs folk API + MCP", "image": "https://www.anchorterminal.com/assets/og/compare-copper-vs-folk.png", "path": "/compare/copper-vs-folk", "published": "2026-10-01", "section": "tools", "title": "Copper API vs folk API + MCP for AI agents, D 46.9 vs C 61", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/copper-vs-folk" }, "tokens": { "markdown": 1500, "slim": 330 }, "version": 1 }