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

GET http://underground.substratesymposium.com/buy/jade_plant · 1 observation

Underground Cultural District profile

  • Solana · exact
    $0.9900 (USDC)
    Recipient 5HK2dGaaquDWFnYWaWhMzMYtbcDsqeq5biJ2PMtX1tkN
    PayAI · seen
HTTP http://v1.xpay402.net/mint · 1 observation

V1 profile

  • Base · exact
    $1.0000 (USDC)
    Recipient 0x85f9eE9C3d19804D4D8eFD4CA6cAC6cf04D5402d
    PayAI · seen
GET http://varilaszlo.hu/api/x402/task-knowledge/0e000000-0000-4000-8000-000000000003 · 1 observation
e-Cognocracy Stage 19/20 task record — the knowledge extracted and value created by one completed, monitored task. The only external, non-member access path to this data — the free Stage 19 governance step (/api/ai/evaluate-effectiveness) has no public route of its own.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0200 (USDC)
    Recipient UTLWNUY4BFX4MSJGTNFKE4T2WW6EVZKTLYSKUZA5V3ZHACHTNBBWIKEOXM
    GoPlausible · seen
GET http://varilaszlo.hu/api/x402/task-knowledge/0e000000-0000-4000-8000-000000000004 · 1 observation
e-Cognocracy Stage 19/20 task record — the knowledge extracted and value created by one completed, monitored task. The only external, non-member access path to this data — the free Stage 19 governance step (/api/ai/evaluate-effectiveness) has no public route of its own.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0200 (USDC)
    Recipient UTLWNUY4BFX4MSJGTNFKE4T2WW6EVZKTLYSKUZA5V3ZHACHTNBBWIKEOXM
    GoPlausible · seen
GET http://varilaszlo.hu/api/x402/task-knowledge/0e000000-0000-4000-8000-00000000001b · 1 observation
e-Cognocracy Stage 19/20 task record — the knowledge extracted and value created by one completed, monitored task. The only external, non-member access path to this data — the free Stage 19 governance step (/api/ai/evaluate-effectiveness) has no public route of its own.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0200 (USDC)
    Recipient UTLWNUY4BFX4MSJGTNFKE4T2WW6EVZKTLYSKUZA5V3ZHACHTNBBWIKEOXM
    GoPlausible · seen
GET http://varilaszlo.hu/api/x402/task-knowledge/test-task-0001 · 1 observation
e-Cognocracy Stage 19/20 task record — the knowledge extracted and value created by one completed, monitored task. The only external, non-member access path to this data — the free Stage 19 governance step (/api/ai/evaluate-effectiveness) has no public route of its own.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0200 (USDC)
    Recipient UTLWNUY4BFX4MSJGTNFKE4T2WW6EVZKTLYSKUZA5V3ZHACHTNBBWIKEOXM
    GoPlausible · seen
GET http://verity402-production.up.railway.app/v1/market-verdict · 1 observation
Live Polymarket integrity verdict with probability, liquidity, spread, resolution-risk checks, and source timestamps
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    5000 minor units
    Recipient AMSETLW5XIYRSA7OGRU7RCTZJOYANA2N4KAJDKXNGNAEHINZHK3YLAYKFM
    GoPlausible · seen
POST http://voxsift-x402.fly.dev/v1/transcribe · 1 observation
Transcribe a public HTTPS audio or video URL into structured JSON with timestamps, optional speaker diarization, confidence metadata, and actual-duration settlement.

Voxsift-X402 profile

  • Base · upto
    Up to $0.2000 (USDC)
    Recipient 0x7a58ae0464CdE978A621c45b0BEB27CaB1c25CfC
    PayAI · seen
POST http://vxir-x402-production.up.railway.app/compile · 1 observation
VXIR — compile a payment intent into a native, byte-deterministic, UNSIGNED Algorand transaction artifact. Non-custodial; you sign.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0020 (USDC)
    Recipient IVHBC6CJWHIMTDEKNAEH2BIIDVA6UOHVT75M2GYVDB3GNENESDQSJYEWHY
    GoPlausible · seen
POST http://weather-api-production-c885.up.railway.app/api/weather · 1 observation

Weather-Api-Production-C885 profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0x6E8B64638b24C6D625b045dD353120d850064E2E
    PayAI · seen
POST http://weather-api-x402-production.up.railway.app/api/weather · 1 observation

Weather-Api-X402-Production profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0x6E8B64638b24C6D625b045dD353120d850064E2E
    PayAI · seen
GET http://werner.ddns.net/price · 1 observation
Aktuelle Coinbase-Preise fuer BTC, SOL und SHIB in USDC

werner.ddns.net x402 services profile

  • Solana · exact
    $0.0010 (USDC)
    Recipient vz9No3Xm1EfPcuF56bWc7zV4r1k9TRs9UuDckGCocvv
    PayAI · seen
GET http://werner.ddns.net:5001/price · 1 observation
Aktuelle Coinbase-Preise fuer BTC, ETH, XRP, SOL, ZEC, HYPE, DOGE, LINK, ADA, XLM und SHIB in USDC

werner.ddns.net x402 services profile

  • Solana · exact
    $0.0010 (USDC)
    Recipient vz9No3Xm1EfPcuF56bWc7zV4r1k9TRs9UuDckGCocvv
    PayAI · seen
HTTP http://wurkapi.fun/weather-base · 1 observation

Wurkapi profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0xF00DAF15713e82fBb7bDC4b818444D93D655DE96
    PayAI · seen
POST http://www.0816.cn/v1/base/honeypot-scan · 1 observation
Token rug risk score for any ERC-20 on Base (POST wrapper, body: {contract}). Returns honeypot detection, token tax check, LP lock status, hidden mint, owner renounced, and a rug risk score 0-100. Call before any agent buys, swaps or approves a token. Also detects scam token patterns. $0.02 USDC

Token Risk Score profile

  • eip155:196 · exact
    $0.0200 (USDC)
    Recipient 0x567047dbd96a12f17e96d4427714a66811be2e11
    PayAI · seen
POST http://www.0816.cn/v1/base/proxy-upgrade · 1 observation
Upgradeable contract and proxy admin check for any EVM contract on Base (POST wrapper, body: {contract}). Reads EIP-1967 implementation, admin and beacon slots directly from chain state. Returns whether the contract can be upgraded, who controls the upgrade, and an upgrade risk verdict. Call when an agent needs to know if a contract owner can silently change its logic. $0.02 USDC

Token Risk Score profile

  • eip155:196 · exact
    $0.0200 (USDC)
    Recipient 0x567047dbd96a12f17e96d4427714a66811be2e11
    PayAI · seen
POST http://www.0816.cn/v1/base/token-tax · 1 observation
Token tax check and transfer restriction scan for any ERC-20 on Base (POST wrapper, body: {contract}). Returns buy tax, sell tax, transfer limits, cooldown rules, blacklist/whitelist functions and a trade-safety verdict. Call before any agent swaps, quotes or routes a token, to avoid tokens that eat most of the trade in fees. $0.02 USDC

Token Risk Score profile

  • eip155:196 · exact
    $0.0200 (USDC)
    Recipient 0x567047dbd96a12f17e96d4427714a66811be2e11
    PayAI · seen
GET http://www.ragradar.space/api/arb/scan · 1 observation

Www profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://www.ragradar.space/api/arb/tokens · 1 observation

Www profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://www.ragradar.space/api/arbitrum/gmx/funding · 1 observation

Www profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://www.ragradar.space/api/arbitrum/gmx/glp · 1 observation

Www profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://www.ragradar.space/api/arbitrum/gmx/liquidations · 1 observation

Www profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://www.ragradar.space/api/arbitrum/gmx/stats · 1 observation

Www profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · seen
GET http://www.ragradar.space/api/gas · 1 observation

Www profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0x8919fe5Aa2a18d69D1Ff869c2903B313F35e8061
    PayAI · 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.