open.x402.host · Gas Fee Coverage for x402 Transactions

Served byopen.x402.host Indexed external

Access gas fee coverage for x402 payment transactions without API keys or KYC requirements.

What it does

Access gas fee coverage for x402 payment transactions without API keys or KYC requirements.

  • Enable x402 payments without managing gas fee infrastructure
  • Facilitate x402 transactions for agents without wallet gas reserves
  • Integrate x402 payment settlement with zero configuration

Ideal buyer

x402 server operators and AI agents needing zero-configuration gas fee coverage for HTTP 402 payments on Base.

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.

“Keep my x402 facilitator open and confirm gas fee coverage is active for my server.”

Endpoint request body

The JSON payload your agent sends to the endpoint.

No request body required for this operation.

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 http://open.x402.host/open \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: [signed_payment_envelope]"

Payment & settlement details

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

baseexact
$1.00
per call
Pay-to address0x97316fa4730bc7d3b295234f8e4d04a0a4c093e8
T/O: 60s asset 0x8335…2913

Price & network

Cheapest call$1.00
Networks
base

Trust & risk

Trust tier Indexed external
Pricing sanityExpensive outlierratio 33.33×
Risk flags
Risk notes
  • May process personal / identity data.
View JSON bundle

Indexed from facilitator discovery data

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