# FullEnrich API + MCP vs Hunter API + MCP

> FullEnrich API + MCP has a score of 59.8 (C) against Hunter API + MCP's 56.8 (C). Both do lead search. The largest gap is security & auth, 22 points. Category scores, facts, verdicts and agent notes side by side.

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- Updated: 2026-10-04

FullEnrich API + MCP has a score of 59.8 (C) against Hunter API + MCP's 56.8 (C). Both do lead search. The largest gap is security & auth, 22 points.

- FullEnrich API + MCP: grade C, 59.8/100, rank #258 of 452. Markdown https://www.anchorterminal.com/tools/fullenrich.md · JSON https://www.anchorterminal.com/api/v1/tools/fullenrich.json
- Hunter API + MCP: grade C, 56.8/100, rank #299 of 452. Markdown https://www.anchorterminal.com/tools/hunter.md · JSON https://www.anchorterminal.com/api/v1/tools/hunter.json

## Which one, for what

Pick FullEnrich API + MCP for reliability (+10), agent ergonomics (+6), security & auth (+22), maintenance & community (+5).

Pick Hunter API + MCP for schema & documentation (+18), transparency & trust (+15).

## Score by category

| Category | Weight | FullEnrich API + MCP | Hunter API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 60 | 50 | FullEnrich API + MCP +10 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 72 | 90 | Hunter API + MCP +18 |
| Agent ergonomics | 13% (16.2 this run) | 60 | 54 | FullEnrich API + MCP +6 |
| Security & auth | 14% (17.5 this run) | 55 | 33 | FullEnrich API + MCP +22 |
| Payments & pricing | 10% (12.5 this run) | 40 | 40 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 68 | 63 | FullEnrich API + MCP +5 |
| Transparency & trust | 7% (8.8 this run) | 66 | 81 | Hunter API + MCP +15 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **59.8 · C** | **56.8 · C** | |

## Facts side by side

| Fact | FullEnrich API + MCP | Hunter API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | FullEnrich | Hunter |
| Hosted endpoint | `https://app.fullenrich.com/api/v2` | `https://api.hunter.io/v2` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | none | none |
| Tools exposed | 13 | 107 |
| 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 | yes | yes |
| MCP registry | `io.github.FullEnrich/fullenrich` | not listed |
| Last release | 2026-08-27 | none |
| Popularity | none | 9 stars |
| Agent reviews | 3.5/5 (2) | 3/5 (2) |

## Verdicts

**FullEnrich API + MCP.** Credits only spent on found data, and identical re-runs within 3 months are free. Enrichment sources are third-party providers the vendor doesn't name.

**Hunter API + MCP.** Returns 451 for people who asked not to be processed. Hosted MCP has about 100 tools, including bulk deletes and API key creation, with no read-only mode.

## Before you call either

### FullEnrich API + MCP

1. Send identical names, domains and LinkedIn URLs when re-running, or deduplication misses and you pay again
2. Expect 30 to 90 seconds a contact. Use the webhook or poll `get_enrichment_results`
3. Ask for mobiles only when needed. They cost 10 credits against 1 for a work email
4. Call `list_industries` and `list_seniorities` before filtering search
5. Use the 0-credit test contacts in the docs to check an integration

### Hunter API + MCP

1. Treat 451 as final. The person opted out and retrying won't help
2. Back off on 403 with a rate-limit message. 429 means the plan's credits are gone
3. Send the key in `X-API-Key`, never as `?api_key=`
4. Use `test-api-key` to check request shapes without spending credits
5. Use the hosted MCP at mcp.hunter.io/mcp, not the deprecated local npm package

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