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Api Endpoint

Convert Guru File Type Detection

Detects the likely real file format from filename, file creation time, file size, and the first 200 bytes of the file. Identifies common formats such as PDF, DOCX, XLSX, CSV, JPG/JPEG, PNG, WEBP, HEIC, TXT, HTML, MP3, WAV, MP4, AVI, MPEG, and WEBM, as well as about 15,000 other file types.

Open interactive test console

Offering

Provider
convert.guru
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://convert.guru/api/x402/v1/detect-file-type
MIME type
Not provided
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
file-type-detection, detect-file-type, mime-type, file-identification, magic-bytes

Website

Payment pricing

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

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.002 USDC
Atomic price: 2000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.002 USDC
Atomic price: 2000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 4
0.002 USDC
Atomic price: 2000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0x222c4F009c63E24cE9176C0f7f3b64E7Da0f0699"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "2000",
    "payTo": "0x222c4F009c63E24cE9176C0f7f3b64E7Da0f0699"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "2000",
    "payTo": "0x222c4F009c63E24cE9176C0f7f3b64E7Da0f0699"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "2000",
    "payTo": "8BoQ6DSruSUc3HRgLWCwPmE7qcdDybcTeycmFDtC4UjJ"
  }
]

Observed health

Status
Healthy
Latest latency
150 ms
Average latency
649 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

{
  "properties": {
    "body": {
      "properties": {
        "created_at": {
          "description": "File creation timestamp in ISO 8601 format",
          "type": "string"
        },
        "filename": {
          "description": "Original filename, e.g. document.pdf, report.docx, data.csv, image.png",
          "type": "string"
        },
        "header_first_200_bytes_base64": {
          "description": "Base64 encoded first 200 bytes of the file",
          "type": "string"
        },
        "size_bytes": {
          "description": "Total size of the file in bytes",
          "type": "integer"
        }
      },
      "required": [
        "filename",
        "header_first_200_bytes_base64",
        "size_bytes"
      ],
      "type": "object"
    },
    "bodyType": {
      "const": "json",
      "type": "string"
    },
    "method": {
      "const": "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": {
      "properties": {
        "body": {
          "properties": {
            "created_at": {
              "description": "File creation timestamp in ISO 8601 format",
              "type": "string"
            },
            "filename": {
              "description": "Original filename, e.g. document.pdf, report.docx, data.csv, image.png",
              "type": "string"
            },
            "header_first_200_bytes_base64": {
              "description": "Base64 encoded first 200 bytes of the file",
              "type": "string"
            },
            "size_bytes": {
              "description": "Total size of the file in bytes",
              "type": "integer"
            }
          },
          "required": [
            "filename",
            "header_first_200_bytes_base64",
            "size_bytes"
          ],
          "type": "object"
        },
        "bodyType": {
          "const": "json",
          "type": "string"
        },
        "method": {
          "const": "POST",
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "convert_file_compatibility": {
              "properties": {
                "confidence": {
                  "type": "number"
                },
                "reason": {
                  "type": "string"
                },
                "status": {
                  "type": "string"
                }
              },
              "required": [
                "status",
                "confidence",
                "reason"
              ],
              "type": "object"
            },
            "convertible_to": {
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "detected": {
              "type": "boolean"
            },
            "detected_format": {
              "properties": {
                "canonical_extension": {
                  "type": "string"
                },
                "confidence": {
                  "type": "number"
                },
                "confidence_percent": {
                  "type": "integer"
                },
                "description": {
                  "type": "string"
                },
                "format": {
                  "description": "Canonical format e.g. pdf, docx, xlsx, csv, png, jpg, webp, txt, html",
                  "type": "string"
                }
              },
              "required": [
                "format",
                "description",
                "confidence",
                "confidence_percent",
                "canonical_extension"
              ],
              "type": [
                "object",
                "null"
              ]
            },
            "input_filename": {
              "type": "string"
            },
            "payment": {
              "type": "object"
            },
            "suggested_filename": {
              "type": [
                "string",
                "null"
              ]
            }
          },
          "required": [
            "detected",
            "input_filename",
            "suggested_filename",
            "detected_format",
            "convertible_to",
            "convert_file_compatibility",
            "payment"
          ],
          "type": "object"
        },
        "type": {
          "const": "json",
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}