# CoinDesk Data API vs CoinMarketCap x402 API (slim)

> CoinMarketCap x402 API has a score of 68.3 (B) against CoinDesk Data API's 46.9 (D). Both do crypto market data. The largest gap is payments & pricing, 85 points. CoinMarketCap x402 API accepts x402. CoinDesk Data API doesn't. Category scores, facts, verdicts and agent notes…

- Full: https://www.anchorterminal.com/compare/coindesk-data-api-vs-coinmarketcap-x402-api.md (~1,450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/compare/coindesk-data-api-vs-coinmarketcap-x402-api.json · canonical https://www.anchorterminal.com/compare/coindesk-data-api-vs-coinmarketcap-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 CoinDesk Data API's 46.9 (D). Both do crypto market data. The largest gap is payments & pricing, 85 points. CoinMarketCap x402 API accepts x402. CoinDesk Data API doesn't.

- CoinDesk Data API: D 46.9, rank #391 of 452 · https://www.anchorterminal.com/tools/coindesk-data-api.min.md
- CoinMarketCap x402 API: B 68.3, rank #127 of 452 · https://www.anchorterminal.com/tools/coinmarketcap-x402-api.min.md
- Pick CoinDesk Data API for transparency & trust (+28). Pick CoinMarketCap x402 API for reliability (+34), agent ergonomics (+7), security & auth (+5), payments & pricing (+85), maintenance & community (+50).

| Category | CoinDesk Data API | CoinMarketCap x402 API |
| --- | --- | --- |
| Reliability (16%) | 43 | 77 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 72 | 72 |
| Agent ergonomics (13%) | 70 | 77 |
| Security & auth (14%) | 45 | 50 |
| Payments & pricing (10%) | 0 | 85 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 23 | 73 |
| Transparency & trust (7%) | 61 | 33 |