$0.0005/MB
$0.0005/MB. Watermark an image or logo onto a video — position and opacity control. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
Answeringour last check, 2026-09-24
1 of 1checks answered this week
675 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/media/overlay
| Category | Image and media |
|---|---|
| Provider host | api.relaystation.ai |
| 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 | $0.01 | 675 ms |
Example input (from the provider)
{
"body": {
"ext": "mp4",
"file": {},
"overlay": {},
"position": "top-left"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"ext": {
"enum": [
"mp4",
"mov",
"mkv",
"mp3",
"m4a",
"aac",
"wav",
"ogg",
"flac"
],
"type": "string"
},
"file": {
"description": "cputools input-source: { inline: <base64 \u2264 4 MiB> } or { inputKey: <scratch key \u2264 50 MB> }. The input container must sniff (ffprobe) to the live allowlist (operator-tunable cputools.media.input_formats): 3g2, 3gp, aac, asf, avi, flac, flv, gif, m4a, m4v, matroska, mj2, mov, mov,mp4,m4a,3gp,3g2,mj2, mp3, mp4, mpeg, mpegts, mpegvideo, ogg, wav, webm, wmv. An off-list input is a free 422 UNSUPPORTED_FORMAT.",
"type": "object"
},
"overlay": {
"description": "cputools input-source: { inline: <base64 \u2264 4 MiB> } or { inputKey: <scratch key from /v1/cputools/upload-url, \u2264 50 MB> }.",
"type": "object"
},
"position": {
"enum": [
"top-left",
"top-right",
"bottom-left",
"bottom-right",
"center"
],
"type": "string"
}
},
"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"
}