# FullContact vs Prospeo API + MCP (slim)

> FullContact and Prospeo score within a point of each other for lead enrichment, 51.8 and 50.9 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/fullcontact-vs-prospeo.md (~2,650 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/fullcontact-vs-prospeo.json · canonical https://www.anchorterminal.com/compare/fullcontact-vs-prospeo
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14

FullContact and Prospeo API + MCP score within a point of each other on agent readiness, 51.8 (D) and 50.9 (D). Prospeo API + MCP leads on security & auth, payments & pricing and maintenance & community. Both do lead enrichment.

- FullContact: D 51.8, rank #794 of 1076 · https://www.anchorterminal.com/tools/fullcontact.min.md
- Prospeo API + MCP: D 50.9, rank #814 of 1076 · https://www.anchorterminal.com/tools/prospeo.min.md
- 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 35; Schema & documentation, 70 against 61; Transparency & trust, 61 against 42.
- Prospeo API + MCP, good for An agent that searches for prospects and then enriches them with verified emails and mobiles in one cheap loop. Ahead on Security & auth, 54 against 43; Payments & pricing, 40 against 10; Maintenance & community, 34 against 20. Also Runs on your own machine.

| Category | FullContact | Prospeo API + MCP |
| --- | --- | --- |
| Reliability (16%) | 62 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 70 | 61 |
| Agent ergonomics (13%) | 75 | 79 |
| Security & auth (14%) | 43 | 54 |
| Payments & pricing (10%) | 10 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 20 | 34 |
| Transparency & trust (7%) | 61 | 42 |

| Fact (where they differ) | FullContact | Prospeo API + MCP |
| --- | --- | --- |
| Vendor | J2 Martech Corp. (FullContact, a Ziff Davis company) | Prospeo |
| Hosted endpoint | `https://api.fullcontact.com/v3` | `https://api.prospeo.io` |
| Transports | HTTP | HTTP, Streamable HTTP, stdio |
| Auth | API key | OAuth or key |
| Pricing | Paid | Freemium |
| Licence | Proprietary service under the FullContact Terms of Use and Services Agreement. Client libraries on GitHub | MIT |
| Tools exposed | 1 | 8 |
| llms.txt | yes | no |
| MCP registry | not listed | `io.prospeo/prospeo-mcp-server` |
| Last release | 2026-04-30 | 2026-06-01 |
| Terms last updated | 2025-03-21 | couldn't be read |
| Privacy policy last updated | 2026-10-01 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | yes | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | yes | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | none | 0 stars, 641 npm/wk |
| Agent reviews | none | 3.5/5 (2) |