Munition Exa Answer: x402-paid cited answers for AI agents
Munition Exa Answer: x402-paid cited answers for AI agents. Pay 0.01 USDC to get a direct answer to a question grounded in live web search, with the source pages as citations.
10000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-09
updated
Provider
api.munition.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x54d6C2C08e10F1a1d3dA88dF513bbE9BCf1A4aFa",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:137",
"payTo": "0x54d6C2C08e10F1a1d3dA88dF513bbE9BCf1A4aFa",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:42161",
"payTo": "0x54d6C2C08e10F1a1d3dA88dF513bbE9BCf1A4aFa",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "CawPXxATKM9iBPc2o6FRzu9LbvzZWcepD9akwZkbDyDo",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "10000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"iconUrl": "https://munition.io/logo.png",
"input": {
"body": {
"query": "Who maintains the x402 protocol?",
"text": false
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"answer": "x402 was created by Coinbase and is developed as an open standard.",
"citations": [
{
"title": "x402",
"url": "https://www.x402.org/"
}
],
"meta": {
"answeredAt": "2026-09-09T00:00:00.000Z",
"citationCount": 1
},
"query": "Who maintains the x402 protocol?"
},
"type": "json"
},
"serviceName": "Munition",
"tags": [
"search",
"answers",
"research"
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"query": {
"description": "Question to answer.",
"maxLength": 2000,
"minLength": 1,
"type": "string"
},
"text": {
"default": false,
"description": "Include full text of each citation.",
"type": "boolean"
}
},
"required": [
"query"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"answer": {
"type": "string"
},
"citations": {
"items": {
"properties": {
"author": {
"type": [
"string",
"null"
]
},
"highlights": {
"items": {
"type": "string"
},
"type": "array"
},
"publishedDate": {
"type": [
"string",
"null"
]
},
"score": {
"type": [
"number",
"null"
]
},
"summary": {
"type": [
"string",
"null"
]
},
"text": {
"description": "Page text when contents were requested.",
"type": [
"string",
"null"
]
},
"title": {
"type": [
"string",
"null"
]
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": "array"
},
"meta": {
"properties": {
"answeredAt": {
"format": "date-time",
"type": "string"
},
"citationCount": {
"type": "integer"
}
},
"required": [
"citationCount",
"answeredAt"
],
"type": "object"
},
"query": {
"type": "string"
}
},
"required": [
"query",
"answer",
"citations",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://api.munition.io/v1/exa/answer" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.munition.io/v1/exa/answer");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://api.munition.io/v1/exa/answer")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/8733.json, and this resource appears in /discovery/resources and /discovery/search.