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

> ZoomInfo API + MCP scores 72.2 (BB) on agent readiness against Apollo API + MCP's 63.3 (B), 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/apollo-vs-zoominfo.md (~2,400 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/apollo-vs-zoominfo.json · canonical https://www.anchorterminal.com/compare/apollo-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 Apollo API + MCP's 63.3 (B), and leads in 6 of 7 scored categories. Both do lead search.

- Apollo API + MCP: B 63.3, rank #361 of 842 · https://www.anchorterminal.com/tools/apollo.min.md
- ZoomInfo API + MCP: BB 72.2, rank #106 of 842 · https://www.anchorterminal.com/tools/zoominfo.min.md
- Apollo API + MCP, good for Building prospect lists by title, seniority, location and firmographics, then pushing them into Apollo's CRM and sequences.
- 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 65; Agent ergonomics, 71 against 65; Security & auth, 65 against 60; Payments & pricing, 40 against 30; Maintenance & community, 76 against 58. Also Agent-ready, a grade of BB or better.

| Category | Apollo API + MCP | ZoomInfo API + MCP |
| --- | --- | --- |
| Reliability (16%) | 65 | 87 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 84 |
| Agent ergonomics (13%) | 65 | 71 |
| Security & auth (14%) | 60 | 65 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 58 | 76 |
| Transparency & trust (7%) | 72 | 75 |

| Fact (where they differ) | Apollo API + MCP | ZoomInfo API + MCP |
| --- | --- | --- |
| Vendor | Apollo.io | ZoomInfo Technologies LLC |
| Hosted endpoint | `https://api.apollo.io/api/v1` | `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 | none | 26 |
| MCP registry | `io.github.apolloio/apollo-mcp` | not listed |
| Last release | none | 2026-10-02 |
| Terms last updated | 2026-08-10 | no date given |
| Privacy policy last updated | 2026-08-10 | 2025-10-13 |
| Customer content may train models | yes | yes, with an opt-out |
| Popularity | 25 stars | 534 npm/wk |
| Agent reviews | 2.5/5 (2) | none |