Sprite tools
Sprite tools: Normal map for a sprite or sprite sheet, for 2D lights in Unity URP 2D and Godot: a rounded bevel from the silhouette plus surface detail, alpha kept, OpenGL or DirectX; a height map and a preview lit by a moving light. Full schema: https://rengi.dev/v1/sprite-tools/schema
Answeringour last check, 2026-10-21
1 of 1checks answered this week
941 msmedian answer time
$0.05listed price per call
$0.05price 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://rengi.dev/v1/sprite-tools/normal-map
| Category | Everything else |
|---|---|
| Provider host | rengi.dev |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.05 | 941 ms |
Example input (from the provider)
{
"body": {
"imageUrl": "https://rengi.dev/samples/orb.png",
"strength": 1
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bevel": {
"description": "Rim width in pixels; from the sprite size when omitted.",
"maximum": 256,
"minimum": 1,
"type": "number"
},
"convention": {
"default": "opengl",
"description": "opengl (green up) for Unity and Godot.",
"enum": [
"opengl",
"directx"
],
"type": "string"
},
"detail": {
"default": 0.5,
"description": "How much surface detail from the colors goes into the bumps.",
"maximum": 2,
"minimum": 0,
"type": "number"
},
"image": {
"description": "Base64 PNG sprite or sheet with transparency.",
"type": "string"
},
"imageUrl": {
"format": "uri",
"type": "string"
},
"strength": {
"default": 1,
"maximum": 8,
"minimum": 0.1,
"type": "number"
}
},
"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": {
"additionalProperties": false,
"properties": {
"bevel": {
"type": "number"
},
"convention": {
"type": "string"
},
"height": {
"type": "string"
},
"height_px": {
"type": "number"
},
"normal": {
"type": "string"
},
"preview": {
"type": "string"
},
"width": {
"type": "number"
}
},
"required": [
"preview",
"normal",
"height",
"width",
"height_px",
"bevel",
"convention"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}