Extract strict, JSON-Schema-valid typed JSON from a PNG, JPEG, or WebP document
Extract strict, JSON-Schema-valid typed JSON from a PNG, JPEG, or WebP document image. Failed extraction calls are not settled. Always-paid x402 V2 image API.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
182 msmedian answer time
$0.03listed price per call
$0.03price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://schemasure.com/v2/extract-image
| Category | Image and media |
|---|---|
| Provider host | schemasure.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 34 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.03 | 182 ms |
Example input (from the provider)
{
"body": {
"image": {
"data": "<base64-encoded PNG, JPEG, or WebP bytes>",
"mimeType": "image/png"
},
"schema": {
"additionalProperties": false,
"properties": {
"invoiceNumber": {
"description": "Invoice identifier exactly as printed.",
"type": "string"
},
"total": {
"description": "Final amount due as a number, without currency symbols.",
"type": "number"
},
"vendor": {
"type": "string"
}
},
"required": [
"invoiceNumber",
"vendor",
"total"
],
"type": "object"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"image": {
"additionalProperties": false,
"properties": {
"data": {
"contentEncoding": "base64",
"description": "Base64-encoded image bytes without a data-URL prefix.",
"minLength": 1,
"type": "string"
},
"mimeType": {
"description": "Declared image media type; it must match the decoded file signature.",
"enum": [
"image/png",
"image/jpeg",
"image/webp"
],
"type": "string"
}
},
"required": [
"data",
"mimeType"
],
"type": "object"
},
"options": {
"additionalProperties": false,
"properties": {
"maxRepairs": {
"description": "Max validate->re-prompt repair iterations.",
"maximum": 5,
"minimum": 0,
"type": "integer"
},
"strict": {
"default": true,
"description": "Drop fields not present in the schema.",
"type": "boolean"
}
},
"type": "object"
},
"schema": {
"description": "JSON Schema (draft 2020-12) that the returned `data` is guaranteed to satisfy.",
"type": "object"
}
},
"required": [
"image",
"schema"
],
"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": {
"data": {
"description": "Extracted value; guaranteed to validate against the request `schema`."
},
"meta": {
"properties": {
"deterministicFields": {
"items": {
"type": "string"
},
"type": "array"
},
"latencyMs": {
"type": "integer"
},
"repairs": {
"type": "integer"
},
"validated": {
"const": true
}
},
"required": [
"repairs",
"latencyMs",
"validated"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}