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
162,666
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,494
Network identifiers
181

These results as JSON

POST https://1cent.maxzoa.ru/v1/url/passport · 1 observation
Inspect a public HTTP or HTTPS URL and return a structured site passport. Includes pulse fields, registrable domain, robots and sitemap discovery, feeds, OpenAPI hints, and page metadata. Uses at most eight external HTTP requests and does not execute JavaScript. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new upstream fetch is required.

1cent profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/pulse · 1 observation
Check a public HTTP or HTTPS URL before expensive browsing or AI processing. Returns availability, redirects, content type, page metadata, language, cache state, content hash, robots policy, and access restrictions. Does not execute JavaScript. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new upstream fetch is required.

1cent profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/rag-chunks · 1 observation
Split readable text into deterministic bounded RAG chunks. Only public HTTP(S) targets are accepted; JavaScript is not executed. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new upstream fetch is required.

1cent profile

  • Base · exact
    $0.0070 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/redirects · 1 observation
Return the safely validated redirect chain. Only public HTTP(S) targets are accepted; JavaScript is not executed. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new upstream fetch is required.

1cent profile

  • Base · exact
    $0.0020 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/security-headers · 1 observation

1cent profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/social-cards · 1 observation
Extract bounded Open Graph and Twitter Card fields. Only public HTTP(S) targets are accepted; JavaScript is not executed. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new upstream fetch is required.

1cent profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/text · 1 observation
Return bounded normalized readable text. Only public HTTP(S) targets are accepted; JavaScript is not executed. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new upstream fetch is required.

1cent profile

  • Base · exact
    $0.0040 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/tls · 1 observation

1cent profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
POST https://1cent.maxzoa.ru/v1/url/word-stats · 1 observation
Estimate words, characters, sentences and reading time. Only public HTTP(S) targets are accepted; JavaScript is not executed. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new upstream fetch is required.

1cent profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x4798e8401ba3b1566685257c82d06303AB90EA35
    PayAI · seen
GET https://1gateway.dev/v1/agent/approval · 4 observations
Use when an agent needs a human yes/no, a pick, or a few typed answers before acting. Input: question, options (2-5), details, fields (up to 5 inputs), expires_in_minutes 5-10080, https webhook, allow_comment. Output: approveUrl for the human, id, one-time secret, read URL. First answer is final; reads free, ?wait=25 long-polls; webhook HMAC-signed. Plain-text page, no login: anyone with the link can answer. Example: POST {"question":"Deploy v2 to prod?"}

1gateway.dev profile

  • Monad · exact
    $0.0100 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Solana · exact
    $0.0100 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
  • Base · exact
    $0.0100 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
POST https://1gateway.dev/v1/agent/approval · 1 observation
Use when an agent needs a human yes/no, a pick, or a few typed answers before acting. Input: question, options (2-5), details, fields (up to 5 inputs), expires_in_minutes 5-10080, https webhook, allow_comment. Output: approveUrl for the human, id, one-time secret, read URL. First answer is final; reads free, ?wait=25 long-polls; webhook HMAC-signed. Plain-text page, no login: anyone with the link can answer. Example: POST {"question":"Deploy v2 to prod?"}

1gateway.dev profile

  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/inbox · 4 observations
Use when an agent must receive a verification email (sign-up, login code, magic link) without a mailbox. Input: none. Output: address @inbox.1gateway.dev, id, one-time secret, read URL. Reads are free (header x-inbox-secret): sender, subject, text, with verification codes and confirmation links extracted. Receive only; 20 messages, 256 KB each, attachments dropped; deleted after 24 h. Some sites refuse new domains: not refunded. Example: GET /v1/agent/inbox

1gateway.dev profile

  • Solana · exact
    $0.0100 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Monad · exact
    $0.0100 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0100 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/kv/delete · 1 observation
Use when an agent must remove a stored value before its expiry. Pay from the same wallet (Base or Monad USDC). Input: key. Output: status deleted. A missing or expired key returns 404 and is not charged. Example: ?key=notes/today

1gateway.dev profile

  • Base · exact
    $0.0020 (USDC)
    agentic.market · seen
POST https://1gateway.dev/v1/agent/kv/delete · 4 observations
Use when an agent must remove a stored value before its expiry. Pay from the same wallet (Base or Monad USDC). Input: key. Output: status deleted. A missing or expired key returns 404 and is not charged. Example: ?key=notes/today

1gateway.dev profile

  • Monad · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Solana · exact
    $0.0020 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
  • Base · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0020 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/kv/get · 4 observations
Use when an agent must read back state it saved with /v1/agent/kv/put. Pay from the same wallet (Base or Monad USDC): the wallet is the namespace, no API key. Input: key. Output: value, size, updated and expiry times. A missing or expired key returns 404 and is not charged. Example: ?key=notes/today

1gateway.dev profile

  • Base · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Solana · exact
    $0.0020 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
  • Monad · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0020 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/kv/list · 4 observations
Use when an agent must see what it has stored. Pay from the same wallet (Base or Monad USDC). Input: optional prefix and cursor. Output: up to 100 keys with size and expiry, nextCursor, and the wallet's usage against its limits (1,000 keys, 10 MB). Example: ?prefix=notes/

1gateway.dev profile

  • Base · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Monad · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Solana · exact
    $0.0020 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
  • Base · exact
    $0.0020 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/kv/put · 1 observation
Use when an agent must keep state between runs without a database account. The paying wallet (Base or Monad USDC) is the namespace. Input: key, value (JSON or text, max 64 KB), ttl_days 1-90. $0.003 + $0.0005/KB, quoted first. Output: status, expiry, usage. 1,000 keys, 10 MB per wallet. Llama Guard checks the whole value; unsafe = not stored but charged. Unencrypted: no secrets. Example: POST {"key":"notes/a","value":{"step":3}}

1gateway.dev profile

  • Base · exact
    $0.0035 (USDC)
    agentic.market · seen
POST https://1gateway.dev/v1/agent/kv/put · 4 observations
Use when an agent must keep state between runs without a database account. The paying wallet (Base or Monad USDC) is the namespace. Input: key, value (JSON or text, max 64 KB), ttl_days 1-90. $0.003 + $0.0006/KB, quoted first. Output: status, expiry, usage. 1,000 keys, 10 MB per wallet. Llama Guard checks the whole value; unsafe = not stored but charged. Unencrypted: no secrets. Example: POST {"key":"notes/a","value":{"step":3}}

1gateway.dev profile

  • Base · exact
    $0.0036 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Monad · exact
    $0.0036 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Solana · exact
    $0.0036 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
  • Base · exact
    $0.0036 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/kv/touch · 4 observations
Use when an agent must keep a stored value longer without re-sending it. Pay from the same wallet (Base or Monad USDC). Input: key, ttl_days 1-90 (default 30); the new expiry is now + ttl_days. Output: status extended, previous and new expiry. No safety re-check. A missing or expired key returns 404 and is not charged. Example: ?key=notes/today&ttl_days=90

1gateway.dev profile

  • Solana · exact
    $0.0020 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Monad · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0020 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0020 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/timer · 1 observation
Use when an agent must be woken later without running its own scheduler. Input: https webhook, at (ISO) or delay_seconds (10 s-30 days), optional JSON payload (4 KB, echoed back), every_seconds and times (2-100) to repeat. Output: id, one-time secret, next fire time, status URL. HMAC-signed POST, retried 1, 5, 30 min. Free status and cancel. $0.003; repeats $0.002 each. Best-effort. Example: POST {"webhook":"https://example.com/wake","delay_seconds":3600}

1gateway.dev profile

  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://1gateway.dev/v1/agent/timer · 4 observations
Use when an agent must be woken later without running its own scheduler. Input: https webhook, at (ISO) or delay_seconds (10 s-30 days), optional JSON payload (4 KB, echoed back), every_seconds and times (2-100) to repeat. Output: id, one-time secret, next fire time, status URL. HMAC-signed POST, retried 1, 5, 30 min. Free status and cancel. $0.003; repeats $0.002 each. Best-effort. Example: POST {"webhook":"https://example.com/wake","delay_seconds":3600}

1gateway.dev profile

  • Solana · exact
    $0.0030 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Monad · exact
    $0.0030 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/agent/webhook · 1 observation
Use when an agent must receive a webhook or callback (payment, CI, form) but has no public server. Input: ttl_hours 1-168 (default 24). Output: public url https://1gateway.dev/h/…, id, one-time secret, read URL. Any method is stored (method, query, headers incl. signatures, body), answered 200. Reads free (header x-webhook-secret), ?wait=1-25 long-polls. Receive only; 50 requests, 64 KB each. Example: GET /v1/agent/webhook?ttl_hours=24

1gateway.dev profile

  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
POST https://1gateway.dev/v1/agent/webhook · 4 observations
Use when an agent must receive a webhook or callback (payment, CI, form) but has no public server. Input: ttl_hours 1-168 (default 24). Output: public url https://1gateway.dev/h/…, id, one-time secret, read URL. Any method is stored (method, query, headers incl. signatures, body), answered 200. Reads free (header x-webhook-secret), ?wait=1-25 long-polls. Receive only; 50 requests, 64 KB each. Example: GET /v1/agent/webhook?ttl_hours=24

1gateway.dev profile

  • Monad · exact
    $0.0100 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0100 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Solana · exact
    $0.0100 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
GET https://1gateway.dev/v1/ai/embed · 4 observations
Use when an agent needs vectors for search, RAG, clustering or dedup. Input: text (GET) or POST JSON {texts:[...]} with up to 32 strings of max 2000 chars each. Output: model, dims (1024), embeddings with index and vector; compare with cosine similarity. Multilingual (100+ languages, strong Korean). Not stored. Example: ?text=x402%20pay-per-call%20API

1gateway.dev profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Monad · exact
    $0.0030 (USDC)
    Recipient 0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
    Coinbase CDP · seen
  • Solana · exact
    $0.0030 (USDC)
    Recipient AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT
    Coinbase CDP · seen
  • Base · exact
    $0.0030 (USDC)
    agentic.market · 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.