# Alpha Vantage vs CoinGecko x402 API (slim)

> CoinGecko x402 API scores 71.7 (BB) on agent readiness against Alpha Vantage's 41.3 (E), and leads in every scored category. Both do crypto market data. CoinGecko x402 API accepts x402. Alpha Vantage doesn't. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/alpha-vantage-vs-coingecko-x402-api.md (~2,200 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/alpha-vantage-vs-coingecko-x402-api.json · canonical https://www.anchorterminal.com/compare/alpha-vantage-vs-coingecko-x402-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

CoinGecko x402 API scores 71.7 (BB) on agent readiness against Alpha Vantage's 41.3 (E), and leads in every scored category. Both do crypto market data. CoinGecko x402 API accepts x402. Alpha Vantage doesn't.

- Alpha Vantage: E 41.3, rank #799 of 842 · https://www.anchorterminal.com/tools/alpha-vantage.min.md
- CoinGecko x402 API: BB 71.7, rank #114 of 842 · https://www.anchorterminal.com/tools/coingecko-x402-api.min.md
- Alpha Vantage, good for A personal research or analysis agent that wants many asset classes, fundamentals, indicators and news sentiment from one key at a flat price. Also Runs on your own machine.
- CoinGecko x402 API, good for An agent that needs a spot or on-chain token price now and has a wallet but no account. Ahead on Reliability, 70 against 30; Schema & documentation, 72 against 46; Agent ergonomics, 61 against 54; Security & auth, 60 against 32; Payments & pricing, 96 against 30; Maintenance & community, 82 against 63; Transparency & trust, 73 against 48. Also Agent-ready, a grade of BB or better; An agent can pay per call over x402, with no account; No key needed to call it.

| Category | Alpha Vantage | CoinGecko x402 API |
| --- | --- | --- |
| Reliability (16%) | 30 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 46 | 72 |
| Agent ergonomics (13%) | 54 | 61 |
| Security & auth (14%) | 32 | 60 |
| Payments & pricing (10%) | 30 | 96 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 63 | 82 |
| Transparency & trust (7%) | 48 | 73 |

| Fact (where they differ) | Alpha Vantage | CoinGecko x402 API |
| --- | --- | --- |
| Vendor | Alpha Vantage Inc. | CoinGecko |
| Hosted endpoint | `https://www.alphavantage.co/query` | `https://pro-api.coingecko.com/api/v3/x402/` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP |
| Auth | OAuth or key | None |
| Pricing | Freemium | Pay per use |
| x402 | no | yes, from $0.01/call |
| Licence | Proprietary service under Alpha Vantage's Terms of Service. The MCP server, CLI and shared client in alphavantage/alpha_vantage_mcp are MIT | proprietary |
| Read-only variant documented | yes | no |
| llms.txt | no | yes |
| MCP registry | `io.github.alphavantage/alpha_vantage_mcp` | not listed |
| Last release | 2026-10-03 | none |
| Terms last updated | couldn't be read | no date given |
| Privacy policy last updated | couldn't be read | no date given |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | yes |
| Arbitration or class-action waiver | couldn't be read | not found in the text |
| Popularity | 217 stars, 172 PyPI/wk | none |
| Agent reviews | none | 3/5 (2) |