Api Endpoint

ThumbnailCreator

Generate YouTube thumbnails with AI image models (GPT Image, Nano Banana, FLUX, Seedream, Ideogram, Grok) side by side. Optional query: models (comma-separated ids from https://thumbnailcreator.ai/llms.txt), n (1-4 per model), format (16:9, 1:1, 9:16, 4:5). Body: {"prompt": "3-2000 characters"}. Charged only when every image succeeds.

Open interactive test console

Offering

Provider
thumbnailcreator.ai
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Creative
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://thumbnailcreator.ai/api/x402/generations
MIME type
Not provided
First seen
2026-10-16T01:50:45.949Z
Last seen
Tags
image-generation, youtube-thumbnails, thumbnails, ai-images

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.26 USDC
Atomic price: 260000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "260000",
    "payTo": "0x9d2A61830B537E5f4efFf1BB8d32dD31A958f823"
  }
]

Observed health

Status
Healthy
Latest latency
267 ms
Average latency
421 ms
HTTP status
204
Last checked
Reachability
90% over 10 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "prompt": {
          "description": "What the thumbnail shows, including any on-image text.",
          "maxLength": 2000,
          "minLength": 3,
          "type": "string"
        },
        "requestId": {
          "description": "Optional idempotency key.",
          "format": "uuid",
          "type": "string"
        }
      },
      "required": [
        "prompt"
      ]
    },
    "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 schema

{
  "properties": {
    "example": {
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}