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api.chainmarket-api.workers.dev x402 API: grades and paid tests

api.chainmarket-api.workers.dev has 174 x402 endpoints in our catalog. Right now: 174 proceed. 174 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

174Proceed
174Passed a paid test

Every endpoint on api.chainmarket-api.workers.dev

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/crypto/aave-lending-markets	A	Proceed	100%	378 ms	Yes
/api/crypto/balancer-v2-pools	A	Proceed	99%	410 ms	Yes
/api/crypto/basescan-contract-events	A	Proceed	100%	369 ms	Yes
/api/crypto/berachain-pol-validators	A	Proceed	100%	466 ms	Yes
/api/crypto/binance-orderbook-depth	A	Proceed	100%	369 ms	Yes
/api/crypto/bitcoin-hashrate-difficulty	A	Proceed	100%	338 ms	Yes
/api/crypto/bitcoin-mempool-stats	A	Proceed	100%	355 ms	Yes
/api/crypto/blast-gold-points	A	Proceed	100%	327 ms	Yes
/api/crypto/btc-block	A	Proceed	100%	316 ms	Yes
/api/crypto/btc-blocks-range	A	Proceed	100%	324 ms	Yes
/api/crypto/btc-chain-tips	A	Proceed	100%	310 ms	Yes
/api/crypto/btc-coin-days-destroyed	A	Proceed	100%	307 ms	Yes
/api/crypto/btc-coinbase-messages	A	Proceed	99%	306 ms	Yes
/api/crypto/btc-fee-curve	A	Proceed	100%	307 ms	Yes
/api/crypto/btc-mempool-pressure	A	Proceed	100%	293 ms	Yes
/api/crypto/btc-mining-economics	A	Proceed	99%	302 ms	Yes
/api/crypto/btc-mining-pools	A	Proceed	100%	296 ms	Yes
/api/crypto/btc-node-diversity	A	Proceed	99%	270 ms	Yes
/api/crypto/btc-ordinals-flow	A	Proceed	99%	273 ms	Yes
/api/crypto/btc-whale-txs	A	Proceed	100%	275 ms	Yes
/api/crypto/chainlink-price-feeds	A	Proceed	100%	278 ms	Yes
/api/crypto/circle-cctp-transfers	A	Proceed	99%	284 ms	Yes
/api/crypto/coinbase-spot-exchange	A	Proceed	99%	274 ms	Yes
/api/crypto/coingecko-market-depth	A	Proceed	100%	238 ms	Yes
/api/crypto/coinmarketcap-listings	A	Proceed	99%	228 ms	Yes
/api/crypto/compound-market-stats	A	Proceed	99%	222 ms	Yes
/api/crypto/convex-vlcvx-voting	A	Proceed	100%	202 ms	Yes
/api/crypto/cowswap-batch-auctions	A	Proceed	100%	212 ms	Yes
/api/crypto/cross-chain-bridge-flows	A	Proceed	100%	200 ms	Yes
/api/crypto/crypto-fundraising-rounds	A	Proceed	100%	190 ms	Yes
/api/crypto/crypto-hack-rekt-database	A	Proceed	99%	187 ms	Yes
/api/crypto/crypto-liquidations-feed	A	Proceed	100%	186 ms	Yes
/api/crypto/curve-gauge-weights	A	Proceed	100%	193 ms	Yes
/api/crypto/debank-wallet-portfolio	A	Proceed	99%	184 ms	Yes
/api/crypto/defillama-stablecoins	A	Proceed	100%	183 ms	Yes
/api/crypto/defillama-tvl-oracle	A	Proceed	100%	173 ms	Yes
/api/crypto/defillama-yields	A	Proceed	100%	185 ms	Yes
/api/crypto/deribit-options-skew	A	Proceed	100%	177 ms	Yes
/api/crypto/dex-pool-liquidity	A	Proceed	100%	177 ms	Yes
/api/crypto/dydx-chain-markets	A	Proceed	100%	176 ms	Yes
/api/crypto/ethereum-gas-telemetry	A	Proceed	100%	174 ms	Yes
/api/crypto/ethereum-staking-rewards	A	Proceed	100%	173 ms	Yes
/api/crypto/etherscan-label-cloud	A	Proceed	100%	181 ms	Yes
/api/crypto/fear-greed-index	A	Proceed	99%	175 ms	Yes
/api/crypto/gmx-v2-glv-vaults	A	Proceed	99%	179 ms	Yes
/api/crypto/honeypot-detector	A	Proceed	100%	169 ms	Yes
/api/crypto/hyperliquid-perps-depth	A	Proceed	99%	170 ms	Yes
/api/crypto/jupiter-solana-routing	A	Proceed	99%	174 ms	Yes
/api/crypto/kaspa-block	A	Proceed	100%	169 ms	Yes
/api/crypto/kaspa-chain-color	A	Proceed	99%	165 ms	Yes

About api.chainmarket-api.workers.dev

Is api.chainmarket-api.workers.dev safe to pay?

174 of api.chainmarket-api.workers.dev'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.

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 api.chainmarket-api.workers.dev 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 api.chainmarket-api.workers.dev? 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.