Generate a styled QR code PNG (base64 in JSON)
Generate a styled QR code PNG (base64 in JSON): custom foreground/background hex colours, module size, border, and error-correction level.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1478 msmedian answer time
$0.001listed price per call
$0.001price 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://qr-api-production-1836.up.railway.app/generate/styled
| Category | Code and developer |
|---|---|
| Provider host | qr-api-production-1836.up.railway.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 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 | $0.001 | 1478 ms |
Example input (from the provider)
{
"body": {
"back_color": "#ffffff",
"border": 4,
"box_size": 10,
"data": "https://payapi.market",
"error_correction": "H",
"fill_color": "#1d4ed8"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"back_color": {
"description": "Background colour as #rgb or #rrggbb hex. Default #ffffff.",
"type": "string"
},
"border": {
"description": "Quiet-zone border in modules, 0-20. Default 4.",
"type": "integer"
},
"box_size": {
"description": "Pixels per module, 1-40. Default 10.",
"type": "integer"
},
"data": {
"description": "Text or URL to encode, up to 4296 characters.",
"type": "string"
},
"error_correction": {
"description": "Error-correction level: L, M, Q, or H. Default M.",
"type": "string"
},
"fill_color": {
"description": "Foreground colour as #rgb or #rrggbb hex. Default #000000.",
"type": "string"
}
},
"required": [
"data"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"back_color": {
"description": "Background colour as normalised #rrggbb hex.",
"type": "string"
},
"border": {
"description": "Quiet-zone border width in modules.",
"type": "integer"
},
"box_size": {
"description": "Pixels per QR module.",
"type": "integer"
},
"data": {
"description": "The text or URL encoded into the QR code.",
"type": "string"
},
"error_correction": {
"description": "Error-correction level used: L, M, Q, or H.",
"type": "string"
},
"fill_color": {
"description": "Foreground colour as normalised #rrggbb hex.",
"type": "string"
},
"format": {
"description": "Image format of the returned bytes; always 'png'.",
"type": "string"
},
"height": {
"description": "PNG height in pixels.",
"type": "integer"
},
"image_base64": {
"description": "Base64-encoded PNG of the QR code.",
"type": "string"
},
"modules": {
"description": "QR module count per side (the grid dimension).",
"type": "integer"
},
"size_bytes": {
"description": "Byte length of the raw PNG.",
"type": "integer"
},
"version": {
"description": "QR version (1-40) chosen to fit the data.",
"type": "integer"
},
"width": {
"description": "PNG width in pixels.",
"type": "integer"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}