# Clearbit vs FullContact (slim)

> FullContact scores 51.8 (D) 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/clearbit-vs-fullcontact.md (~2,550 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/clearbit-vs-fullcontact.json · canonical https://www.anchorterminal.com/compare/clearbit-vs-fullcontact
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14

FullContact scores 51.8 (D) on agent readiness against Clearbit's 13.5 (F), and leads in 6 of 7 scored categories. Clearbit leads on transparency & trust. Both do lead enrichment.

- Clearbit: F 13.5, rank #1056 of 1076 · https://www.anchorterminal.com/tools/clearbit.min.md
- FullContact: D 51.8, rank #794 of 1076 · https://www.anchorterminal.com/tools/fullcontact.min.md
- Clearbit, good for Only for teams that already hold a Clearbit contract. Ahead on Transparency & trust, 66 against 61.
- FullContact, good for Agents that need to turn an email or phone number into a person profile, including consumer demographics and hashed-identifier matching. Ahead on Reliability, 62 against 30; Schema & documentation, 70 against 0; Agent ergonomics, 75 against 0; Security & auth, 43 against 8; Payments & pricing, 10 against 0; Maintenance & community, 20 against 4. Also A hosted endpoint, with nothing to install.

| Category | Clearbit | FullContact |
| --- | --- | --- |
| Reliability (16%) | 30 | 62 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 0 | 70 |
| Agent ergonomics (13%) | 0 | 75 |
| Security & auth (14%) | 8 | 43 |
| Payments & pricing (10%) | 0 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 4 | 20 |
| Transparency & trust (7%) | 66 | 61 |

| Fact (where they differ) | Clearbit | FullContact |
| --- | --- | --- |
| Vendor | HubSpot, Inc. | J2 Martech Corp. (FullContact, a Ziff Davis company) |
| Hosted endpoint | no (local only) | `https://api.fullcontact.com/v3` |
| Licence | Proprietary service under the Clearbit Terms of Service (30 May 2025), provided by HubSpot, Inc. under the Clearbit brand | Proprietary service under the FullContact Terms of Use and Services Agreement. Client libraries on GitHub |
| Tools exposed | none | 1 |
| llms.txt | no | yes |
| Last release | 2025-12-08 | 2026-04-30 |
| Terms last updated | 2025-05-30 | 2025-03-21 |
| Privacy policy last updated | 2026-08-31 | 2026-10-01 |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | not found in the text | yes |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | not found in the text | yes |