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x402 resource directory

Find paid HTTP operations and MCP tools by URL, host, method or tool name. Compare payment terms across networks and catalogs.

Distinct HTTP URLs
162,243
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,257
Network identifiers
181

These results as JSON

POST http://pricecheck-mainnet-production.up.railway.app/price · 1 observation
Extract the current price, original price, currency, discount and availability from a public ecommerce, product or software pricing page.

Pricecheck-Mainnet-Production profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x9F140bF0f2E6ccEAe076B4CD5260D2b08276Ed74
    PayAI · seen
POST http://prism-99h2.onrender.com/code-review-accurate · 1 observation
Performs comprehensive senior-engineer code review and security auditing on a single code file using high-precision LLM reasoning.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.2000 (USDC)
    Recipient FL7U7GHUZB2R6RACPGY5UFD2K47CP2IL4RQWX7LKYE5QSFGXVJCDGPRLBE
    GoPlausible · seen
POST http://prism-99h2.onrender.com/code-review-fast · 1 observation
Reviews a single code file for bugs, security issues, syntax errors, and code quality problems with fast LLM turnarounds.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.1000 (USDC)
    Recipient FL7U7GHUZB2R6RACPGY5UFD2K47CP2IL4RQWX7LKYE5QSFGXVJCDGPRLBE
    GoPlausible · seen
POST http://prism-99h2.onrender.com/resume-screen-accurate · 1 observation
Screens a batch of resumes against a target job description and returns ranked candidates with detailed match scores using high-precision LLM reasoning.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.2500 (USDC)
    Recipient FL7U7GHUZB2R6RACPGY5UFD2K47CP2IL4RQWX7LKYE5QSFGXVJCDGPRLBE
    GoPlausible · seen
POST http://prism-99h2.onrender.com/seo-audit-accurate · 1 observation
Performs deep LLM-assisted SEO auditing analyzing readability, content depth, keyword relevance, and technical SEO structure.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.2500 (USDC)
    Recipient FL7U7GHUZB2R6RACPGY5UFD2K47CP2IL4RQWX7LKYE5QSFGXVJCDGPRLBE
    GoPlausible · seen
POST http://prism-99h2.onrender.com/seo-audit-fast · 1 observation
Performs fast rule-based SEO audit checks on a webpage including metadata, headings, images, links, and readability.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.1000 (USDC)
    Recipient FL7U7GHUZB2R6RACPGY5UFD2K47CP2IL4RQWX7LKYE5QSFGXVJCDGPRLBE
    GoPlausible · seen
POST http://projectpermit-api-v2-production.up.railway.app/v1/check-project-requirements · 1 observation
Evidence-linked municipal construction permit/planning preflight for Gatineau, Quebec and Ottawa, Ontario. Returns deterministic rule results with official-source evidence. Not municipal authorization or legal advice.
  • eip155:84532 Testnet · exact
    $0.0100 (USDC)
    Recipient 0xDAAef0FD525278aAD0bA11066A96c338642A3d1A
    GoPlausible · seen
POST http://proof-league-x402-gz5sq024d-jalens-projects-0ade4450.vercel.app/api/release-certification · 1 observation
Run a deterministic release-certification contract and receive a signed, replayable proof pack.
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    5000 minor units
    Recipient OOB25IB7TB2OYWITPW34EDP6HX4OYRDHLRNBLGWLR7MUDV5KFM4XF2QBNU
    GoPlausible · seen
POST http://proofmesh-x402.onrender.com/v1/evidence-packs · 2 observations
Returns a structured AI-generated evidence pack with sources, a concise summary, key claims, and a confidence score.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient PYVM5MTQWQD3RAJWE6E6DGTMNL4NP5SWLXCPMUS7GV4POAEMUPWI52F3ZA
    GoPlausible · seen
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    10000 minor units
    Recipient PYVM5MTQWQD3RAJWE6E6DGTMNL4NP5SWLXCPMUS7GV4POAEMUPWI52F3ZA
    GoPlausible · seen
GET http://ragdar.vercel.app/api/arb/tokens · 1 observation

Ragdar profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://ragdar.vercel.app/api/gas · 1 observation

Ragdar profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://ragdar.vercel.app/api/portfolio/:chain/:address · 1 observation

Ragdar profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://ragdar.vercel.app/api/protocols · 1 observation

Ragdar profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://ragdar.vercel.app/api/sniper/trending · 1 observation

Ragdar profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://ragdar.vercel.app/api/solana/trending · 1 observation

Ragdar profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://ragdar.vercel.app/api/whale/heatmap · 1 observation

Ragdar profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://rampa-x402-production.up.railway.app/v1/fees · 1 observation
Withdrawal fees per exchange for a crypto asset, by network, ranked cheapest-first — plus the taker trading fee where known and a shortcut of which exchanges support ALGORAND-network withdrawals. Use to minimize the real cost of moving funds off an exchange.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0200 (USDC)
    Recipient V7QYWMN7DS4EQI4Y7JLVYXOBBYLO3VUQGGSRB2P52AUBX326ZPNORFU4KY
    GoPlausible · seen
GET http://rampa-x402-production.up.railway.app/v1/rates · 1 observation
Normalized real-time sell quotes (bid and fee-inclusive totalBid) for a stablecoin against a LATAM local currency across all local exchanges, ranked best-first. One call, one country, agent-ready JSON.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient V7QYWMN7DS4EQI4Y7JLVYXOBBYLO3VUQGGSRB2P52AUBX326ZPNORFU4KY
    GoPlausible · seen
GET http://rampa-x402-production.up.railway.app/v1/route · 2 observations
Best net cash-out route for a stablecoin amount into a LATAM local currency: returns the top exchange, gross fiat, estimated withdrawal fee, net amount received, and effective rate, plus ranked alternatives. Covers 11 countries (AR, BR, MX, CL, CO, PE, UY, PY, BO, VE, DO).
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    $0.0500 (USDC)
    Recipient ACVADQ6OWB4XHW3QRXI2DZBW7DFWW4RIDMLHHMAE447RNN3FYP3KWEJK4I
    GoPlausible · seen
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0500 (USDC)
    Recipient V7QYWMN7DS4EQI4Y7JLVYXOBBYLO3VUQGGSRB2P52AUBX326ZPNORFU4KY
    GoPlausible · seen
GET http://rampa-x402-production.up.railway.app/v1/spread · 1 observation
Buy/sell spread and cross-exchange arbitrage for a stablecoin in a LATAM local currency: cheapest place to buy (net ask), best place to sell (net bid), the cross spread and its %, an arbitrage flag, and per-exchange spreads ranked tightest-first. All net of trading fees.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0300 (USDC)
    Recipient V7QYWMN7DS4EQI4Y7JLVYXOBBYLO3VUQGGSRB2P52AUBX326ZPNORFU4KY
    GoPlausible · seen
GET http://rampa-x402-production.up.railway.app/v1/yields · 1 observation
Best yield (APY) to hold a crypto asset, comparing centralized exchanges (CeFi) and DeFi protocols in one ranked list: provider, APY, CeFi/DeFi, network and pool. Filter by type (cefi/defi). Use to decide where to park idle funds.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0200 (USDC)
    Recipient V7QYWMN7DS4EQI4Y7JLVYXOBBYLO3VUQGGSRB2P52AUBX326ZPNORFU4KY
    GoPlausible · seen
POST http://requirementsextract-mainnet-production.up.railway.app/requirements · 1 observation
Extract structured supplier, compliance, financial, experience, document and evaluation requirements from a public tender or procurement webpage.

Requirementsextract-Mainnet-Production profile

  • Base · exact
    $0.0300 (USDC)
    Recipient 0x9F140bF0f2E6ccEAe076B4CD5260D2b08276Ed74
    PayAI · seen
GET http://roam402.com/discover · 1 observation
Machine-readable catalog of 2500 verified x402 services callable through this merchant — LLM inference, token security, market data — each with USDC price, Agents-Trust tier and liveness. Same payload is free at /catalog; this paid twin exists so the index itself is a discoverable x402 resource.
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    100 minor units
    Recipient 3CPTPCRK7LVRIH3LKNJBWH7PHIYWLPYCQPDX3SDZSX4XCXMSSLNSGEDY3Q
    GoPlausible · seen
GET http://roam402.com/trust · 1 observation
Trust report for an x402 seller domain: Agents-Trust tier (Corroborated/Established/Emerging/Listed), 0-100 score, and evidence pillars from $45M+ of indexed on-chain settlement. Query: ?domain=example.com
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    500 minor units
    Recipient 3CPTPCRK7LVRIH3LKNJBWH7PHIYWLPYCQPDX3SDZSX4XCXMSSLNSGEDY3Q
    GoPlausible · seen

Counts describe directory coverage, including testnets. Each resource groups the same URL, HTTP method or MCP tool across sources. A catalog sighting records published terms. A live 402 records the endpoint’s reply to an unpaid request.