Extract strict, JSON-Schema-valid typed JSON from a PNG, JPEG, or WebP document image
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.
30000 (raw units)
price
30
calls / 30d
1
unique payers
2026-09-18
updated
Provider
schemasure.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x9876af0F6D8Ed5155Cd02d1ca56D128601612690",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "30000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"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"
},
"output": {
"example": {
"data": {
"invoiceNumber": "INV-2048",
"total": 382.45,
"vendor": "Northstar Supplies"
},
"meta": {
"latencyMs": 910,
"repairs": 0,
"validated": true
}
},
"type": "json"
}
},
"schema": {
"$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"
}
}
}Use it
curl
curl "https://schemasure.com/v2/extract-image" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://schemasure.com/v2/extract-image");
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://schemasure.com/v2/extract-image")
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/1475.json, and this resource appears in /discovery/resources and /discovery/search.