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x402.agentindex.world has 118 x402 endpoints in our catalog. Right now: 113 proceed, 5 caution. 113 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.
Best grades first. Open an endpoint for its full history: uptime, price and payout-wallet changes, and paid-test results with signed receipts.
| Endpoint | Grade | Verdict | Uptime (7 days) | Response time | Paid test passed |
|---|---|---|---|---|---|
| /agent-claim | A | Proceed | 100% | 560 ms | Yes |
| /agent-health | A | Proceed | 100% | 570 ms | Yes |
| /base/allowance | A | Proceed | 100% | 544 ms | Yes |
| /base/basename | A | Proceed | 100% | 538 ms | Yes |
| /base/block | A | Proceed | 100% | 565 ms | Yes |
| /base/block-number | A | Proceed | 99% | 596 ms | Yes |
| /base/call | A | Proceed | 99% | 562 ms | Yes |
| /base/can-sell | A | Proceed | 99% | 531 ms | Yes |
| /base/chain-id | A | Proceed | 99% | 531 ms | Yes |
| /base/code | A | Proceed | 99% | 551 ms | Yes |
| /base/contract | A | Proceed | 100% | 479 ms | Yes |
| /base/erc1155-balance | A | Proceed | 99% | 493 ms | Yes |
| /base/erc20-balance | A | Proceed | 99% | 511 ms | Yes |
| /base/erc20-transfers | A | Proceed | 99% | 466 ms | Yes |
| /base/erc721-tokens | A | Proceed | 99% | 489 ms | Yes |
| /base/estimate-gas | A | Proceed | 99% | 431 ms | Yes |
| /base/events | A | Proceed | 100% | 438 ms | Yes |
| /base/live-balance | A | Proceed | 100% | 436 ms | Yes |
| /base/network-info | A | Proceed | 100% | 458 ms | Yes |
| /base/nft-metadata | A | Proceed | 100% | 413 ms | Yes |
| /base/nft-owner | A | Proceed | 100% | 380 ms | Yes |
| /base/nonce | A | Proceed | 100% | 388 ms | Yes |
| /base/pending | A | Proceed | 100% | 510 ms | Yes |
| /base/proxy | A | Proceed | 99% | 412 ms | Yes |
| /base/quote | A | Proceed | 99% | 375 ms | Yes |
| /base/receipt | A | Proceed | 100% | 334 ms | Yes |
| /base/simulate | A | Proceed | 99% | 384 ms | Yes |
| /base/storage | A | Proceed | 99% | 320 ms | Yes |
| /base/total-supply | A | Proceed | 100% | 330 ms | Yes |
| /base/tx | A | Proceed | 99% | 329 ms | Yes |
| /can-pay | A | Proceed | 99% | 334 ms | Yes |
| /classify | A | Proceed | 99% | 318 ms | Yes |
| /crypto | A | Proceed | 99% | 317 ms | Yes |
| /decide | A | Proceed | 99% | 303 ms | Yes |
| /discover | A | Proceed | 99% | 316 ms | Yes |
| /encoding/detect | A | Proceed | 99% | 295 ms | Yes |
| /encoding/transcode | A | Proceed | 99% | 293 ms | Yes |
| /extract | A | Proceed | 99% | 310 ms | Yes |
| /fraction/simplify | A | Proceed | 99% | 296 ms | Yes |
| /gas-price | A | Proceed | 99% | 295 ms | Yes |
| /geo/bbox | A | Proceed | 99% | 277 ms | Yes |
| /geo/bearing | A | Proceed | 99% | 283 ms | Yes |
| /geo/distance | A | Proceed | 99% | 279 ms | Yes |
| /geo/dms | A | Proceed | 99% | 289 ms | Yes |
| /geo/geohash | A | Proceed | 100% | 283 ms | Yes |
| /geo/midpoint | A | Proceed | 100% | 294 ms | Yes |
| /geo/point-in-polygon | A | Proceed | 99% | 288 ms | Yes |
| /guard | A | Proceed | 99% | 281 ms | Yes |
| /hash/hash | A | Proceed | 99% | 288 ms | Yes |
| /hash/hmac | A | Proceed | 99% | 274 ms | Yes |
113 of x402.agentindex.world's endpoints are rated Proceed: reliable in monitoring with a stable price and payout wallet, and the best ones delivered in a real paid test. Grades are per endpoint, so look up the one your agent is about to pay.
Lumière PayCheck checks every endpoint about every 30 minutes: does it answer with a valid x402 quote, is the price and payout wallet stable. Then we pay some of them for real and check the response against what the listing promised. Failures are re-tested before they count. How it works.
Yes, for free. Call check_payment (API or MCP) with the endpoint, amount and payTo from the 402 quote, and pay only if it returns allow. Check an endpoint now.