Payments on Base + Solana
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saylorinnovations.com has 1,677 x402 endpoints in our catalog. Right now: 1,146 proceed, 324 caution, 207 avoid. 1,354 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: B.
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/design/icons | B | Proceed | 89% | 180 ms | Yes |
| /api/design/palette | B | Proceed | 89% | 182 ms | Yes |
| /api/design/type-scale | B | Proceed | 89% | 189 ms | Yes |
| /api/dev/artifacthub | B | Proceed | 89% | 191 ms | Yes |
| /api/dev/cache-control | B | Proceed | 89% | 184 ms | Yes |
| /api/dev/cdn-stats | B | Proceed | 89% | 185 ms | Yes |
| /api/dev/cdnjs | B | Proceed | 89% | 182 ms | Yes |
| /api/dev/chmod | B | Proceed | 89% | 184 ms | Yes |
| /api/dev/cron | B | Proceed | 89% | 190 ms | Yes |
| /api/dev/firefox-addons | B | Proceed | 89% | 190 ms | Yes |
| /api/dev/gitlab-projects | B | Proceed | 89% | 187 ms | Yes |
| /api/dev/http-status | B | Proceed | 89% | 195 ms | Yes |
| /api/dev/json-schema | B | Proceed | 89% | 183 ms | Yes |
| /api/dev/jsr | B | Proceed | 89% | 197 ms | Yes |
| /api/dev/jwt-decode | B | Proceed | 89% | 171 ms | Yes |
| /api/dev/mdn-search | B | Proceed | 89% | 185 ms | Yes |
| /api/dev/mime | B | Proceed | 89% | 181 ms | Yes |
| /api/dev/obsidian-plugins | B | Proceed | 89% | 184 ms | Yes |
| /api/dev/port-info | B | Proceed | 89% | 185 ms | Yes |
| /api/dev/semver | B | Proceed | 89% | 184 ms | Yes |
| /api/dev/ubuntu-package | B | Proceed | 89% | 184 ms | Yes |
| /api/dev/user-agent | B | Proceed | 89% | 186 ms | Yes |
| /api/dev/uuid-inspect | B | Proceed | 89% | 185 ms | Yes |
| /api/devices/classification | B | Proceed | 89% | 177 ms | Yes |
| /api/devices/recalls | B | Proceed | 89% | 177 ms | Yes |
| /api/dex/quote | B | Proceed | 89% | 182 ms | Yes |
| /api/diagram/render | B | Proceed | 89% | 255 ms | Yes |
| /api/disasters/fema | B | Proceed | 89% | 182 ms | Yes |
| /api/disasters/gdacs | B | Proceed | 89% | 182 ms | Yes |
| /api/dnd/search | B | Proceed | 89% | 238 ms | Yes |
| /api/dnd/spells/fireball | B | Proceed | 89% | 190 ms | Yes |
| /api/docker/image | B | Proceed | 89% | 270 ms | Yes |
| /api/docs/crates/serde | B | Proceed | 89% | 277 ms | Yes |
| /api/docs/github/colinhacks/zod | B | Proceed | 89% | 209 ms | Yes |
| /api/docs/go/github.com/gin-gonic/gin | B | Proceed | 89% | 239 ms | Yes |
| /api/docs/npm/zod | B | Proceed | 89% | 473 ms | Yes |
| /api/docs/pypi/fastapi | B | Proceed | 89% | 272 ms | Yes |
| /api/domain/availability | B | Proceed | 89% | 193 ms | Yes |
| /api/domain/parse | B | Proceed | 89% | 180 ms | Yes |
| /api/domain/subdomains | B | Proceed | 89% | 169 ms | Yes |
| /api/domain/tld | B | Proceed | 89% | 192 ms | Yes |
| /api/domain/typosquats | B | Proceed | 89% | 180 ms | Yes |
| /api/drugs/label | B | Proceed | 89% | 175 ms | Yes |
| /api/drugs/ndc | B | Proceed | 89% | 180 ms | Yes |
| /api/drugs/recalls | B | Proceed | 89% | 176 ms | Yes |
| /api/drugs/shortages | B | Proceed | 89% | 179 ms | Yes |
| /api/earth/epic | B | Proceed | 89% | 448 ms | Yes |
| /api/earth/satellite-image | B | Proceed | 88% | 502 ms | Yes |
| /api/econ/calendar | B | Proceed | 89% | 472 ms | Yes |
| /api/econ/ecb-rates | B | Proceed | 89% | 746 ms | Yes |
1,146 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. 207 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.