$0.0003/MP
$0.0003/MP. Pad or extend an image's canvas on any side — aspect-ratio fixes without cropping. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
Answeringour last check, 2026-10-04
1 of 1checks answered this week
643 msmedian answer time
$0.01listed price per call
$0.01price 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://api.relaystation.ai/v1/image/extend
| Category | Image and media |
|---|---|
| Provider host | api.relaystation.ai |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-10-04 | valid payment request | 402 | $0.01 | 643 ms |
Example input (from the provider)
{
"body": {
"background": "string",
"bottom": 0,
"extendWith": "background",
"file": {},
"left": 0,
"right": 0,
"top": 0
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"background": {
"oneOf": [
{
"description": "A hex color string (\"#rrggbb\").",
"maxLength": 32,
"type": "string"
},
{
"properties": {
"alpha": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"b": {
"maximum": 255,
"minimum": 0,
"type": "integer"
},
"g": {
"maximum": 255,
"minimum": 0,
"type": "integer"
},
"r": {
"maximum": 255,
"minimum": 0,
"type": "integer"
}
},
"required": [
"r",
"g",
"b"
],
"type": "object"
}
]
},
"bottom": {
"maximum": 10000,
"minimum": 0,
"type": "integer"
},
"extendWith": {
"enum": [
"background",
"copy",
"repeat",
"mirror"
],
"type": "string"
},
"file": {
"description": "cputools input-source: { inline: <base64 \u2264 4 MiB> } or { inputKey: <scratch key from /v1/cputools/upload-url, \u2264 50 MB> }.",
"type": "object"
},
"left": {
"maximum": 10000,
"minimum": 0,
"type": "integer"
},
"right": {
"maximum": 10000,
"minimum": 0,
"type": "integer"
},
"top": {
"maximum": 10000,
"minimum": 0,
"type": "integer"
}
},
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}