Protocol
x402 agents and APIs
HTTP resources that return a machine-readable 402 payment challenge. Agents can discover the price, authorize payment, and retry the request programmatically.
50 live listings
- bazaar/https-agentres-dev-api-discover-restaurants-9eea4avia Bazaar
agentres.dev
x402http-x4020.01 USD - bazaar/https-rubric-protocol-com-v1-x402-hedera-facts-exc-632a31via Bazaar
rubric-protocol.com
x402http-x402x402 - bazaar/https-kronossignals-com-api-v1-alerts-btc-fdb5c8via Bazaar
kronossignals.com
x402http-x4020.02 USD - bazaar/https-rubric-protocol-com-v1-x402-hedera-facts-sup-2653d1via Bazaar
rubric-protocol.com
x402http-x402x402 - bazaar/https-kronossignals-com-api-v1-liquidations-sol-77becevia Bazaar
kronossignals.com
x402http-x4020.02 USD - bazaar/https-kronossignals-com-api-v1-liquidations-eth-0c520avia Bazaar
kronossignals.com
x402http-x4020.02 USD - bazaar/https-kronossignals-com-api-v1-signals-btc-2d2b41via Bazaar
kronossignals.com
x402http-x4020.02 USD - bazaar/https-kronossignals-com-api-v1-funding-arb-btc-c9145bvia Bazaar
kronossignals.com
x402http-x4020.02 USD - bazaar/https-hypernatt-com-api-m2m-liq-radar-895d46via Bazaar
hypernatt.com
x402http-x402x402 - bazaar/https-x402-ottoai-services-fx-rates-2d1d10via Bazaar
x402.ottoai.services
x402http-x402x402 - bazaar/https-cars2026-vercel-app-api-cars-227afdvia Bazaar
cars2026.vercel.app
x402http-x402x402 - bazaar/https-api-justaname-id-ens-v2-resolve-b24adavia Bazaar
api.justaname.id
x402http-x402x402 - bazaar/https-laso-finance-auth-58aff6via Bazaar
laso.finance
x402http-x402x402 - bazaar/https-ladyfortunalx402-vercel-app-api-fortune-7e50c7via Bazaar
ladyfortunalx402.vercel.app
x402http-x402x402 - proofwork/csv-to-json
Proofwork CSV to JSON
Read-only deterministic conversion of bounded CSV text with a unique header row to JSON. No network access, credentials, code execution, or state changes.
x402http-x4020.01 USD / call - proofwork/base-usdc-receipt
Proofwork Base USDC Receipt Check
Read-only verification of a Base transaction and Circle USDC Transfer logs, with optional exact recipient and amount matching. Returns normalized evidence fields and public links. No signing, custody, trading, or state changes.
x402http-x4020.01 USD / call - proofwork/base-market-pulse
Proofwork Base Market Pulse
Read-only Base ETH and Uniswap WETH/USDC market snapshot from public evidence: reference price, liquidity, volume, transactions, price changes, and cross-source caveats. No credentials, trading, signing, or state changes.
x402http-x4020.01 USD / call - bazaar/https-horrorstoryapi-vercel-app-api-horror-story-daf8b0via Bazaar
horrorstoryapi.vercel.app
x402http-x402x402 - bazaar/https-coinflip402-vercel-app-api-coinflip-716320via Bazaar
coinflip402.vercel.app
x402http-x402x402 - bazaar/https-dicex402-vercel-app-api-dice-a5a906via Bazaar
dicex402.vercel.app
x402http-x402x402 - bazaar/https-riddlex402-vercel-app-api-riddle-e1dd5avia Bazaar
riddlex402.vercel.app
x402http-x402x402 - bazaar/https-x402wordoftheday-vercel-app-api-word-of-the--bbb972via Bazaar
x402wordoftheday.vercel.app
x402http-x402x402 - bazaar/https-x402uselessfacts-vercel-app-api-useless-fact-592914via Bazaar
x402uselessfacts.vercel.app
x402http-x402x402 - bazaar/https-memegeneratorx402-vercel-app-api-generate-me-ffa8a4via Bazaar
memegeneratorx402.vercel.app
x402http-x402x402 - proofwork/json-to-csv
Proofwork JSON-to-CSV
Deterministic JSON-to-CSV conversion over a bounded x402 HTTP endpoint; public inputs only, no credentials, no state changes.
x402http-x4020.01 USD / call - bazaar/https-laso-finance-get-card-89d088via Bazaar
laso.finance
x402http-x4025.00 USD - samedaydesk/opportunity-preflight
SameDayDesk Opportunity Preflight
Deterministic attempt, verify-first, or abandon economics for agent work using caller-supplied reward, cost, competition, selection, access, acceptance, and settlement assumptions plus dated platform evidence.
x402http-x4020.05 USD / call - bazaar/https-2s-io-api-law-usc-section-7431e9via Bazaar
2s.io
x402http-x402x402 - bazaar/https-2s-io-api-law-cfr-section-16bfe4via Bazaar
2s.io
x402http-x402x402 - bazaar/https-x402-data-api-onrender-com-api-geo-efe883via Bazaar
x402-data-api.onrender.com
x402http-x402x402 - bazaar/https-kronossignals-com-api-v1-volatility-btc-3304b7via Bazaar
kronossignals.com
x402http-x4020.01 USD - bazaar/https-x402-fuchss-app-v1-x402-trust-7591e4via Bazaar
x402.fuchss.app
x402http-x402x402 - bazaar/https-kronossignals-com-api-v1-briefing-355fc6via Bazaar
kronossignals.com
x402http-x4020.10 USD - bazaar/https-2s-io-api-medical-icd10-1b67ffvia Bazaar
2s.io
x402http-x402x402 - bazaar/https-stabletravel-dev-api-seats-aero-search-489ef9via Bazaar
stabletravel.dev
x402http-x4020.02 USD - bazaar/https-cpi-report-us-underscoredone-com-cpi-dff24cvia Bazaar
cpi-report-us.underscoredone.com
x402http-x4020.01 USD - bazaar/https-kronossignals-com-api-v1-stablecoins-06b748via Bazaar
kronossignals.com
x402http-x4020.01 USD - bazaar/https-2s-io-api-vehicle-decode-wmi-7a3547via Bazaar
2s.io
x402http-x402x402 - bazaar/https-vibesprings-net-api-price-eth-usd-133571via Bazaar
vibesprings.net
x402http-x402x402 - bazaar/https-voidfeed-ai-v1-content-extract-dataset-lates-9ccdadvia Bazaar
voidfeed.ai
x402http-x4020.05 USD - bazaar/https-2s-io-api-airport-near-2ee815via Bazaar
2s.io
x402http-x402x402 - bazaar/https-2s-io-api-timezone-lookup-63b597via Bazaar
2s.io
x402http-x402x402 - bazaar/https-2s-io-api-vehicle-vin-decode-b7f1bcvia Bazaar
2s.io
x402http-x402x402 - bazaar/https-kronossignals-com-api-v1-forecast-doge-a21679via Bazaar
kronossignals.com
x402http-x4020.05 USD - bazaar/https-kronossignals-com-api-v1-liquidations-btc-da0badvia Bazaar
kronossignals.com
x402http-x4020.02 USD - bazaar/https-vibesprings-net-api-price-btc-usd-0b6c89via Bazaar
vibesprings.net
x402http-x402x402 - bazaar/https-api-invoket-com-weather-forecast-batch-d748b2via Bazaar
api.invoket.com
x402http-x4020.02 USD - bazaar/https-tenjin-blog-api-read-handle-slug-de0843via Bazaar
tenjin.blog
x402http-x4020.10 USD - bazaar/https-x402-ottoai-services-tweet-search-f8993avia Bazaar
x402.ottoai.services
x402http-x402x402 - bazaar/https-vibesprings-net-api-price-base-gas-c63976via Bazaar
vibesprings.net
x402http-x402x402