# CoinMarketCap x402 API vs Nansen x402 API (slim)

> CoinMarketCap x402 API has a score of 68.3 (B) against Nansen x402 API's 67.4 (B). Both do crypto market data. The largest gap is reliability, 32 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/coinmarketcap-x402-api-vs-nansen-x402-api.md (~1,300 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/compare/coinmarketcap-x402-api-vs-nansen-x402-api.json · canonical https://www.anchorterminal.com/compare/coinmarketcap-x402-api-vs-nansen-x402-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

CoinMarketCap x402 API has a score of 68.3 (B) against Nansen x402 API's 67.4 (B). Both do crypto market data. The largest gap is reliability, 32 points.

- CoinMarketCap x402 API: B 68.3, rank #127 of 452 · https://www.anchorterminal.com/tools/coinmarketcap-x402-api.min.md
- Nansen x402 API: B 67.4, rank #142 of 452 · https://www.anchorterminal.com/tools/nansen-x402-api.min.md
- Pick CoinMarketCap x402 API for reliability (+32), security & auth (+5). Pick Nansen x402 API for schema & documentation (+12), agent ergonomics (+9), payments & pricing (+10), transparency & trust (+18).

| Category | CoinMarketCap x402 API | Nansen x402 API |
| --- | --- | --- |
| Reliability (16%) | 77 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 72 | 84 |
| Agent ergonomics (13%) | 77 | 86 |
| Security & auth (14%) | 50 | 45 |
| Payments & pricing (10%) | 85 | 95 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 73 | 75 |
| Transparency & trust (7%) | 33 | 51 |