Image generation
Image generation · seven-day hosted URL · 0% service fee launch promotion
Answeringour last check, 2026-09-24
1 of 1checks answered this week
899 msmedian answer time
$0.035listed price per call
$0.035price 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://onchainrouter.dev/v1/images/generations
| Category | Image and media |
|---|---|
| Provider host | onchainrouter.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 4 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 | $0.035 | 899 ms |
Example input (from the provider)
{
"body": {
"aspect_ratio": "1:1",
"image_size": "1K",
"model": "gemini-3.1-flash-lite-image",
"n": 1,
"prompt": "A small observatory beneath a clear night sky, editorial illustration",
"response_format": "url"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"aspect_ratio": {
"default": "1:1",
"enum": [
"1:1"
],
"type": "string"
},
"image_size": {
"default": "1K",
"enum": [
"1K"
],
"type": "string"
},
"model": {
"const": "gemini-3.1-flash-lite-image",
"type": "string"
},
"n": {
"const": 1,
"type": "integer"
},
"prompt": {
"maxLength": 4000,
"minLength": 1,
"type": "string"
},
"response_format": {
"default": "url",
"enum": [
"url",
"b64_json"
],
"type": "string"
}
},
"required": [
"model",
"prompt"
],
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}