Payments on Base + Solana
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saylorinnovations.com has 1,677 x402 endpoints in our catalog. Right now: 1,148 proceed, 517 caution, 12 avoid. 1,354 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 |
|---|---|---|---|---|---|
| /api/ai/hf-models | A | Proceed | 99% | 366 ms | Yes |
| /api/aptos/account | A | Proceed | 99% | 235 ms | Yes |
| /api/agent/dns/example.com | A | Proceed | 99% | 495 ms | Yes |
| /api/agent/feeds | A | Proceed | 99% | 490 ms | Yes |
| /api/agent/robots | A | Proceed | 98% | 540 ms | Yes |
| /api/agent/sitemap | A | Proceed | 99% | 654 ms | Yes |
| /api/agent/ssl/example.com | A | Proceed | 99% | 423 ms | Yes |
| /api/ai/hf-datasets | A | Proceed | 98% | 376 ms | Yes |
| /api/ai/hf-spaces | A | Proceed | 98% | 341 ms | Yes |
| /api/aircraft/military | A | Proceed | 99% | 423 ms | Yes |
| /api/aircraft/near | A | Proceed | 97% | 674 ms | Yes |
| /api/alerts/germany | A | Proceed | 98% | 794 ms | Yes |
| /api/algorand/account | A | Proceed | 98% | 364 ms | Yes |
| /api/allergens/product | A | Proceed | 98% | 702 ms | Yes |
| /api/archaeology/site | A | Proceed | 97% | 700 ms | Yes |
| /api/archive/search | A | Proceed | 98% | 218 ms | Yes |
| /api/argentina/series | A | Proceed | 98% | 215 ms | Yes |
| /api/art/object/met/436524 | A | Proceed | 98% | 597 ms | Yes |
| /api/art/search | A | Proceed | 98% | 393 ms | Yes |
| /api/asteroids/close-approaches | A | Proceed | 98% | 413 ms | Yes |
| /api/asteroids/lookup | A | Proceed | 98% | 360 ms | Yes |
| /api/astronomy/julian-date | A | Proceed | 97% | 184 ms | Yes |
| /api/astronomy/meteor-showers | A | Proceed | 98% | 192 ms | Yes |
| /api/astronomy/moon | A | Proceed | 98% | 192 ms | Yes |
| /api/astronomy/object | A | Proceed | 98% | 194 ms | Yes |
| /api/astronomy/sun | A | Proceed | 98% | 179 ms | Yes |
| /api/astronomy/sun-position | A | Proceed | 98% | 196 ms | Yes |
| /api/audio/bars | A | Proceed | 98% | 205 ms | Yes |
| /api/audio/duration | A | Proceed | 98% | 202 ms | Yes |
| /api/audio/tempo | A | Proceed | 98% | 197 ms | Yes |
| /api/audit/a11y | A | Proceed | 98% | 375 ms | Yes |
| /api/audit/headers | A | Proceed | 98% | 256 ms | Yes |
| /api/aurora/forecast | A | Proceed | 98% | 342 ms | Yes |
| /api/avalanche/forecast | A | Proceed | 98% | 642 ms | Yes |
| /api/aviation/airport-delays | A | Proceed | 98% | 236 ms | Yes |
| /api/aviation/airport-status | A | Proceed | 97% | 238 ms | Yes |
| /api/aviation/airports | A | Proceed | 98% | 200 ms | Yes |
| /api/aviation/metar | A | Proceed | 98% | 192 ms | Yes |
| /api/aviation/pireps | A | Proceed | 98% | 185 ms | Yes |
| /api/aviation/taf | A | Proceed | 98% | 195 ms | Yes |
| /api/banks/fdic | A | Proceed | 98% | 187 ms | Yes |
| /api/bikes/city | A | Proceed | 98% | 198 ms | Yes |
| /api/bikes/paris/stations | A | Proceed | 98% | 191 ms | Yes |
| /api/bio/geo-datasets | A | Proceed | 98% | 190 ms | Yes |
| /api/bio/go-terms | A | Proceed | 98% | 178 ms | Yes |
| /api/bio/mesh | A | Proceed | 98% | 190 ms | Yes |
| /api/bio/ontology-search | A | Proceed | 98% | 190 ms | Yes |
| /api/bio/pathway-search | A | Proceed | 97% | 262 ms | Yes |
| /api/bio/pdb-search | A | Proceed | 98% | 305 ms | Yes |
| /api/bio/phenotype-search | A | Proceed | 98% | 193 ms | Yes |
1,148 of saylorinnovations.com'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. 12 are rated Avoid, so check the exact endpoint before paying. 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.