# FullEnrich API + MCP vs ZoomInfo API + MCP (slim)

> ZoomInfo API + MCP scores 72.2 (BB) on agent readiness against FullEnrich API + MCP's 59.6 (C), and leads in 6 of 7 scored categories. Both do lead search. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/fullenrich-vs-zoominfo.md (~2,450 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/fullenrich-vs-zoominfo.json · canonical https://www.anchorterminal.com/compare/fullenrich-vs-zoominfo
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

ZoomInfo API + MCP scores 72.2 (BB) on agent readiness against FullEnrich API + MCP's 59.6 (C), and leads in 6 of 7 scored categories. Both do lead search.

- FullEnrich API + MCP: C 59.6, rank #491 of 842 · https://www.anchorterminal.com/tools/fullenrich.min.md
- ZoomInfo API + MCP: BB 72.2, rank #106 of 842 · https://www.anchorterminal.com/tools/zoominfo.min.md
- FullEnrich API + MCP, good for Maximising find rate on known contacts, especially mobiles, without a long-term contract. Also Free to start without a card.
- ZoomInfo API + MCP, good for Sales and marketing agents that need company, contact, intent and business-event data from one vendor, with free search before paid enrichment. Ahead on Reliability, 87 against 60; Schema & documentation, 84 against 72; Agent ergonomics, 71 against 60; Security & auth, 65 against 55; Maintenance & community, 76 against 68; Transparency & trust, 75 against 64. Also Agent-ready, a grade of BB or better.

| Category | FullEnrich API + MCP | ZoomInfo API + MCP |
| --- | --- | --- |
| Reliability (16%) | 60 | 87 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 72 | 84 |
| Agent ergonomics (13%) | 60 | 71 |
| Security & auth (14%) | 55 | 65 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 68 | 76 |
| Transparency & trust (7%) | 64 | 75 |

| Fact (where they differ) | FullEnrich API + MCP | ZoomInfo API + MCP |
| --- | --- | --- |
| Vendor | FullEnrich | ZoomInfo Technologies LLC |
| Hosted endpoint | `https://app.fullenrich.com/api/v2` | `https://api.zoominfo.com/gtm` |
| Auth | OAuth or key | OAuth |
| Licence | none | Proprietary service under ZoomInfo's Licence Terms and Conditions. The GTM CLI on GitHub is MIT |
| Tools exposed | 13 | 26 |
| MCP registry | `io.github.FullEnrich/fullenrich` | not listed |
| Last release | 2026-08-27 | 2026-10-02 |
| Terms last updated | 2026-08-20 | no date given |
| Privacy policy last updated | 2026-08-20 | 2025-10-13 |
| Customer content may train models | not found in the text | yes, with an opt-out |
| Terms restrict automated access | not found in the text | yes |
| Popularity | none | 534 npm/wk |
| Agent reviews | 3.5/5 (2) | none |