Back to x402 Agent Services
Card snapshot
call402.com
·
2026-10-30 11:48:23 UTC
·
8b4f6d7dd70def12bfb30ce709fe72f20a2b92977a873d89f6114ed97a621c0c
This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.
{
"name": "x402 Agent Services",
"description": "Pay-per-call APIs for AI agents via x402 v2 (exact scheme, Base mainnet, USDC). No accounts or API keys: send a request, receive HTTP 402 with payment requirements, pay, retry. The skills list below carries every live API with its current price; /pricing is the authoritative catalog.",
"url": "https://call402.com/",
"documentationUrl": "https://call402.com/",
"version": "1.0.0",
"provider": {
"organization": "x402-agent-services",
"url": "https://call402.com/"
},
"capabilities": {
"streaming": false,
"pushNotifications": false
},
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"payments": [
{
"protocol": "x402",
"version": 2,
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"assetSymbol": "USDC",
"payTo": "0xAc6F1C3C3b17040730F16dC24Ee9993e9565BE4A",
"facilitator": "https://api.cdp.coinbase.com/platform/v2/x402"
}
],
"skills": [
{
"id": "text-to-structure",
"name": "text-to-structure",
"description": "Turn unstructured text into strict, machine-readable JSON for agent pipelines: a deterministic, reproducible alternative to an LLM extraction call. Extracts emails, URLs, EVM wallet addresses, transaction hashes, ISO-normalized dates, money amounts, percentages, phone numbers and key:value pairs from invoices, emails, messages, logs or documents. Pass fields or a JSON schema to receive exactly the fields you need. Same input, same output, in milliseconds.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/text-to-structure",
"method": "POST",
"price_usd": 0.002,
"input": {
"text": "string (required, <=20000 chars)",
"fields": "string[] optional",
"schema": "object optional"
}
},
{
"id": "agent-jobs",
"name": "agent-jobs",
"description": "Read-only aggregated listings from Superteam, Verdikta, poidh, and Agent Bounties, plus recent awarded bounties from public Verdikta and poidh data. Returns cached jobs, freshness status, and a source disclaimer.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/agent-jobs",
"method": "POST",
"price_usd": 0.005,
"input": {}
},
{
"id": "fx-rates",
"name": "fx-rates",
"description": "Live foreign-exchange reference rates from the European Central Bank (ECB), updated every business day. Convert between 30+ currencies (USD, EUR, GBP, JPY, CNY and more) with a single call: pass base and symbols, get mid-market reference rates as clean JSON. Rates are the ECB daily reference rates, the same source banks and accounting tools cite. Free reference data, republished with attribution.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/fx-rates",
"method": "POST",
"price_usd": 0.005,
"input": {
"base": "3-letter currency code (default USD)",
"symbols": "string[] optional (omit for all)",
"amount": "number optional (default 1)"
}
},
{
"id": "email-verify",
"name": "email-verify",
"description": "Email address validation for signup screening, lead cleanup and form verification: syntax check, disposable/temporary-domain detection and a live MX-record lookup for the domain. Returns a deliverability verdict (likely_deliverable, risky, undeliverable, invalid_format) with the MX hosts found. Does not probe individual mailboxes, so catch-all domains may still accept addresses that do not exist.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/email-verify",
"method": "POST",
"price_usd": 0.005,
"input": {
"email": "email address (required)"
}
},
{
"id": "phone-lookup",
"name": "phone-lookup",
"description": "Parse a phone number locally against the numbering plan using libphonenumber metadata. Returns format and number-plan validity only; current network assignment and subscriber status are not queried. data_source = \"numbering plan (libphonenumber)\".",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/phone-lookup",
"method": "POST",
"price_usd": 0.005,
"input": {
"number": "phone number string (required)",
"country": "ISO 3166-1 alpha-2 country hint (optional)"
}
},
{
"id": "wallet-lookup",
"name": "wallet-lookup",
"description": "Look up a Base wallet address: native ETH plus balances for a curated list of 195 tokens, read directly from Base chain state via public RPC with a self-hosted reader (no third-party data API). The response includes a coverage field: tokens outside the list with no transfers in the discovery window (default about 28 hours) are not reported. Balances only; no USD valuation.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/wallet-lookup",
"method": "POST",
"price_usd": 0.005,
"input": {
"address": "Base wallet address string (required)",
"window": "integer optional 1000-200000 (default 50000)"
}
},
{
"id": "fear-greed-index",
"name": "fear-greed-index",
"description": "Crypto Fear & Greed Index by alternative.me: current value (0-100) and classification (Extreme Fear, Fear, Neutral, Greed, Extreme Greed) plus optional daily history. The most-cited single market-sentiment gauge for crypto trading agents: position sizing, risk checks and regime detection before trading. Data published by alternative.me for free commercial use with attribution; served from a 30-minute cache.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/fear-greed-index",
"method": "POST",
"price_usd": 0.005,
"input": {
"limit": "integer optional 1-30 (default 1)"
}
},
{
"id": "text-extract",
"name": "text-extract",
"description": "Extract the readable main content of any public web page as clean text: send a URL, get the page title, excerpt and body text with navigation, ads and boilerplate stripped (Mozilla Readability, computed on our own servers). For RAG ingestion, summarization, research and page monitoring. First-party extraction: no third-party reader service is resold.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/text-extract",
"method": "POST",
"price_usd": 0.005,
"input": {
"url": "public http(s) page URL (required)"
}
},
{
"id": "ssl-check",
"name": "ssl-check",
"description": "TLS/SSL certificate check for any public host: issuer, subject, SAN list, validity window, days until expiry, SHA-256 fingerprint and whether the certificate chain verified. Computed by a direct TLS handshake from our own servers. For uptime and security monitoring agents, vendor endpoint checks and integration pre-flight.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/ssl-check",
"method": "POST",
"price_usd": 0.005,
"input": {
"host": "domain name (required), optionally host:port"
}
},
{
"id": "domain-lookup",
"name": "domain-lookup",
"description": "Domain one-stop lookup: live DNS records (A, AAAA, CNAME, MX, NS, TXT via DNS-over-HTTPS) plus RDAP registration data (registrar, creation and expiry dates, status, nameservers) assembled from public protocol endpoints on our servers. For domain due diligence, phishing-site checks, counterparty infrastructure review and integration pre-checks.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/domain-lookup",
"method": "POST",
"price_usd": 0.005,
"input": {
"domain": "domain name (required)"
}
},
{
"id": "qr-code",
"name": "qr-code",
"description": "Generate a QR code image for any text, URL or payment address: returns SVG markup or a base64-encoded PNG rendered on our own servers (qrcode library, MIT). For agents that produce scannable payment requests, links, addresses or tickets but cannot render images themselves.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/qr-code",
"method": "POST",
"price_usd": 0.005,
"input": {
"text": "string (required, <=2048 chars)",
"format": "\"svg\" | \"png\" (default svg)",
"size": "integer optional 128-1024 (default 512)"
}
},
{
"id": "sec-company-facts",
"name": "sec-company-facts",
"description": "Summarize a US public company's latest SEC-reported Revenue, NetIncomeLoss and Assets from official EDGAR companyfacts. Look up by ticker, CIK or company name; returns filing dates and fiscal periods. Uses SEC public-domain data with a declared User-Agent.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/sec-company-facts",
"method": "POST",
"price_usd": 0.005,
"input": {
"ticker": "string",
"cik": "string",
"name": "string (provide exactly one)"
}
},
{
"id": "language-detect",
"name": "language-detect",
"description": "Detect the most likely language of text entirely on this server, with ISO 639-1 language code, language name, confidence and alternatives. Supports English, Chinese, Japanese, Korean, Spanish, French, German, Russian, Portuguese and Italian; no upstream request.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/language-detect",
"method": "POST",
"price_usd": 0.005,
"input": {
"text": "string (required)"
}
},
{
"id": "timestamp-convert",
"name": "timestamp-convert",
"description": "Convert Unix seconds, Unix milliseconds or an ISO date to UTC and Asia/Shanghai timestamps. An empty object returns the current time.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/timestamp-convert",
"method": "POST",
"price_usd": 0.005,
"input": {
"timestamp": "Unix seconds or milliseconds",
"date": "ISO date string; omit both for current time"
}
},
{
"id": "hash-tools",
"name": "hash-tools",
"description": "Run local cryptographic utilities: SHA-256 and SHA-512 hashes, Base64 encode/decode, or a random UUID v4. No upstream service is called.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/hash-tools",
"method": "POST",
"price_usd": 0.005,
"input": {
"text": "string (required except for uuid)",
"op": "hash | base64-encode | base64-decode | uuid (default hash)"
}
},
{
"id": "x402-integration-pack",
"name": "x402-integration-pack",
"description": "Production buyer kit for x402 v2 on Base: complete TypeScript and Python buyer code, settlement verification, failure-reason table and budget-guard patterns. Verified against this live store.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/api/x402-integration-pack",
"method": "POST",
"price_usd": 0.005,
"input": {}
},
{
"id": "dex-quote",
"name": "dex-quote",
"description": "Self-computed long-tail EVM token quotes from public on-chain DEX pools on Base, BNB Smart Chain and Ethereum. Discovers Uniswap V2/V3 and PancakeSwap pools with eth_call; majors are excluded. V3 depth is estimated. Informational only.",
"tags": [
"x402",
"usdc",
"base",
"pay-per-call"
],
"examples": [],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://call402.com/dex-quote",
"method": "POST",
"price_usd": 0.005,
"input": {
"chain": "\"base\" | \"bsc\" | \"ethereum\"",
"token": "20-byte EVM token address"
}
}
],
"mcp": {
"url": "https://call402.com/mcp",
"note": "tools/list is free; tools/call is priced per tool via x402"
}
}