# Apollo API + MCP vs Clearbit (slim)

> Apollo scores 63.3 (B) to Clearbit's 13.5 (F) for lead enrichment. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/apollo-vs-clearbit.md (~2,500 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/apollo-vs-clearbit.json · canonical https://www.anchorterminal.com/compare/apollo-vs-clearbit
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14

Apollo API + MCP scores 63.3 (B) on agent readiness against Clearbit's 13.5 (F), and leads in every scored category. Both do lead enrichment.

- Apollo API + MCP: B 63.3, rank #423 of 1076 · https://www.anchorterminal.com/tools/apollo.min.md
- Clearbit: F 13.5, rank #1056 of 1076 · https://www.anchorterminal.com/tools/clearbit.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. Ahead on Reliability, 65 against 30; Schema & documentation, 87 against 0; Agent ergonomics, 65 against 0; Security & auth, 60 against 8; Payments & pricing, 30 against 0; Maintenance & community, 58 against 4; Transparency & trust, 72 against 66. Also A hosted endpoint, with nothing to install.
- Clearbit, good for Only for teams that already hold a Clearbit contract.

| Category | Apollo API + MCP | Clearbit |
| --- | --- | --- |
| Reliability (16%) | 65 | 30 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 0 |
| Agent ergonomics (13%) | 65 | 0 |
| Security & auth (14%) | 60 | 8 |
| Payments & pricing (10%) | 30 | 0 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 58 | 4 |
| Transparency & trust (7%) | 72 | 66 |

| Fact (where they differ) | Apollo API + MCP | Clearbit |
| --- | --- | --- |
| Vendor | Apollo.io | HubSpot, Inc. |
| Hosted endpoint | `https://api.apollo.io/api/v1` | no (local only) |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Paid |
| Licence | none | Proprietary service under the Clearbit Terms of Service (30 May 2025), provided by HubSpot, Inc. under the Clearbit brand |
| llms.txt | yes | no |
| MCP registry | `io.github.apolloio/apollo-mcp` | not listed |
| Last release | none | 2025-12-08 |
| Terms last updated | 2026-08-10 | 2025-05-30 |
| Privacy policy last updated | 2026-08-10 | 2026-08-31 |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 25 stars | none |
| Agent reviews | 2.5/5 (2) | none |