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saylorinnovations.com x402 API: grades and paid tests

saylorinnovations.com has 1,677 x402 endpoints in our catalog. Right now: 1,109 proceed, 361 caution, 207 avoid. 1,354 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: B.

1,109Proceed
361Caution
207Avoid
1,354Passed a paid test

Every endpoint on saylorinnovations.com

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/kb/terraform-state-lock-and-drift	F	Avoid	47%	135 ms	Yes
/api/kb/tiktoken-token-counting-chunking-context-budget-python	F	Avoid	47%	161 ms	Yes
/api/kb/tls-certificate-renewal-failure	F	Avoid	47%	175 ms	Yes
/api/kb/typescript-common-compile-errors-fixes	F	Avoid	45%	138 ms	Yes
/api/kb/typescript-narrowing-unknown-never-discriminated-unions-errors	F	Avoid	47%	139 ms	Yes
/api/kb/ufw-docker-firewall-bypass	F	Avoid	47%	128 ms	Yes
/api/kb/unicode-encoding-mojibake-errors	F	Avoid	47%	174 ms	Yes
/api/kb/unicode-normalization-nfc-casefold-homoglyphs-zero-width-python	F	Avoid	47%	160 ms	Yes
/api/kb/url-encoding-percent-encoding-query-strings-python-js	F	Avoid	47%	181 ms	Yes
/api/kb/uuid-vs-ulid-id-formats-sorting-privacy-collisions-python	F	Avoid	47%	133 ms	Yes
/api/kb/viem-ethers-rpc-errors-rate-limits	F	Avoid	46%	175 ms	Yes
/api/kb/webhook-local-testing-tunnels	F	Avoid	47%	146 ms	Yes
/api/kb/webhook-signature-verification-hmac-sha256-timing-safe	F	Avoid	47%	137 ms	Yes
/api/kb/websocket-connection-drops-and-proxy-timeouts	F	Avoid	47%	181 ms	Yes
/api/kb/wireguard-handshake-not-working	F	Avoid	47%	170 ms	Yes
/api/kb/x402-client-spend-limits-and-retries	F	Avoid	47%	172 ms	Yes
/api/kb/x402-payment-failure-debugging	F	Avoid	47%	168 ms	Yes
/api/kb/x402-seller-settlement-troubleshooting	F	Avoid	47%	154 ms	Yes
/api/kb/yaml-gotchas-norway-problem-octal-sexagesimal-duplicate-keys	F	Avoid	47%	167 ms	Yes
/api/marine/waves	F	Avoid	31%	189 ms	Yes
/api/sports/schedule	F	Avoid	31%	1,686 ms	–
/api/sports/standings	F	Avoid	31%	187 ms	–
/api/uv/index	F	Avoid	29%	233 ms	–
/api/water/river-forecast	F	Avoid	29%	205 ms	–
/api/weather/history	F	Avoid	29%	215 ms	–
/api/uk-property/sales	F	Avoid	0%	–	Yes
/api/brazil/vehicle-price	F	Avoid	0%	–	–

About saylorinnovations.com

Is saylorinnovations.com safe to pay?

1,109 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.

How are these grades made?

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.

Can my agent check saylorinnovations.com before paying?

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.

Do you run saylorinnovations.com? Prove your endpoints work: get tested, check your setup, or add endpoints we're missing. Every seller's results are public, here and in the full catalog.