x402Search · x402 API Directory Search

Served byx402search.xyz Indexed external

Search and filter 13,000+ x402-enabled HTTP APIs with ranking, payment metadata, and multi-dimensional filtering.

What it does

Search and filter 13,000+ x402-enabled HTTP APIs with ranking, payment metadata, and multi-dimensional filtering.

  • Discover x402 APIs by network, price, or asset type
  • Filter API results by freshness and scheme version
  • Rank API options for agent integration decisions

Ideal buyer

AI agents and developers discovering and selecting x402-enabled APIs for integration.

Use with AXON

Run this through your governed agent wallet.

  1. 01
    Bootstrap AXON once with npx @axon402/init.
  2. 02
    Use the AXON runtime MCP tools to search_x402_services or inspect_x402_offer for this service.
  3. 03
    Quote, test-buy, then run the governed paid fetch through AXON.

Send this

Prompt for your agent

A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.

Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.

“Find x402 APIs on Base under 0.01 USDC that provide crypto price data, sorted by freshness.”

Endpoint request body

The JSON payload your agent sends to the endpoint.

application/json
{
  "mode": "agent",
  "page": {
    "limit": 20,
    "offset": 0
  },
  "sort": "freshness",
  "query": "price data",
  "filters": {
    "type": "crypto",
    "network": "base",
    "freshness_max_age_seconds": 86400
  }
}

Advanced HTTP details

For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.

curl fallback

curl https://x402search.xyz/v1/search \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: [signed_payment_envelope]" \
  -d '{"mode":"agent","page":{"limit":20,"offset":0},"sort":"freshness","query":"price data","filters":{"type":"crypto","network":"base","freshness_max_age_seconds":86400}}'

Payment & settlement details

Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.

baseexact
$0.010
per call
Pay-to address0x442fff418fa765d07736e55e87cec2d4776c13c1
T/O: 300s asset 0x8335…2913

Price & network

Cheapest call$0.010
Networks
base

Trust & risk

Trust tier Indexed external
Risk flagsNo risks flagged
View JSON bundle

Indexed from facilitator discovery data

Last enriched:

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