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Api Endpoint

api.munition.io

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.

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Offering

Provider
api.munition.io
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Web Search Research
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.munition.io/v1/exa/answer
MIME type
Not provided
First seen
2026-10-16T01:51:40.954Z
Last seen
Tags
None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.01 USDC
Atomic price: 10000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.01 USDC
Atomic price: 10000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 4
0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x54d6C2C08e10F1a1d3dA88dF513bbE9BCf1A4aFa"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "10000",
    "payTo": "0x54d6C2C08e10F1a1d3dA88dF513bbE9BCf1A4aFa"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "10000",
    "payTo": "0x54d6C2C08e10F1a1d3dA88dF513bbE9BCf1A4aFa"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "payTo": "CawPXxATKM9iBPc2o6FRzu9LbvzZWcepD9akwZkbDyDo"
  }
]

Observed health

Status
Healthy
Latest latency
383 ms
Average latency
108 ms
HTTP status
204
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "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 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"
}