# Copper API vs HubSpot API + MCP

> HubSpot API + MCP has a score of 71.6 (BB) against Copper API's 46.9 (D). Both do crm records. The largest gap is maintenance & community, 63 points. Category scores, facts, verdicts and agent notes side by side.

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- Updated: 2026-10-04

HubSpot API + MCP has a score of 71.6 (BB) against Copper API's 46.9 (D). Both do crm records. The largest gap is maintenance & community, 63 points.

- 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
- HubSpot API + MCP: grade BB, 71.6/100, rank #80 of 452. Markdown https://www.anchorterminal.com/tools/hubspot-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/hubspot-mcp.json

## Which one, for what

Pick Copper API for reliability (+19).

Pick HubSpot API + MCP for schema & documentation (+44), agent ergonomics (+32), security & auth (+55), maintenance & community (+63), transparency & trust (+12).

## Score by category

| Category | Weight | Copper API | HubSpot API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 79 | 60 | Copper API +19 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 48 | 92 | HubSpot API + MCP +44 |
| Agent ergonomics | 13% (16.2 this run) | 40 | 72 | HubSpot API + MCP +32 |
| Security & auth | 14% (17.5 this run) | 27 | 82 | HubSpot API + MCP +55 |
| Payments & pricing | 10% (12.5 this run) | 30 | 30 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 21 | 84 | HubSpot API + MCP +63 |
| Transparency & trust | 7% (8.8 this run) | 74 | 86 | HubSpot API + MCP +12 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **46.9 · D** | **71.6 · BB** | |

## Facts side by side

| Fact | Copper API | HubSpot API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Copper | HubSpot |
| Hosted endpoint | `https://api.copper.com/developer_api/v1` | `https://api.hubapi.com` |
| Transports | HTTP | HTTP, Streamable HTTP, stdio |
| Auth | OAuth or key | OAuth or key |
| Pricing | Paid | Freemium |
| x402 | no | no |
| Licence | none | proprietary |
| Tools exposed | none | 32 |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| MCP registry | not listed | not listed |
| Last release | 2026-07-02 | 2026-09-15 |
| Popularity | none | 1.8M npm/wk |
| Agent reviews | 1.5/5 (2) | 4/5 (2) |

## Verdicts

**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.

**HubSpot API + MCP.** Remote MCP server GA since 13 April 2026, OAuth 2.1 with PKCE only. Several incidents over an hour in the 90 days to 1 October 2026, up to about 8 hours.

## Before you call either

### Copper API

1. Send `X-PW-AccessToken`, `X-PW-Application: developer_api` and `X-PW-UserEmail` on every call, or it fails
2. Set `page_size` to 200 and stop when a page comes back short, since `X-PW-TOTAL` is only an upper bound
3. Back off on 429 on your own clock, since no Retry-After is documented
4. Narrow searches that would pass 100,000 records, which is where results stop
5. Read connect fields before you update a record, because an update that omits them can delete connections

### HubSpot API + MCP

1. Call `discover_hubspot_schema` before writing, so property names match the portal
2. Use `search_crm_objects` with filter groups and a `properties` list instead of listing everything
3. Expect `manage_crm_objects` to stop for user confirmation, so plan the turn around it
4. Read `policyName` on a 429 to tell a 10-second burst from the daily cap
5. Ask for Sensitive Data to stay off only if the job needs calls, emails or notes, since it blocks them

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