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fastapi.online Thumbnail Generator
x402
fastapi.online Thumbnail Generator is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Generates a resized thumbnail image from an uploaded PNG, JPEG, or WebP image file
Price / call$0.001
Success—
StatusUnknown
How this service works
Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.
Output
Returns a resized thumbnail image file (likely PNG/JPEG/WebP) at or below the specified max_size dimension, suitable for use as a preview or thumbnail in web or app contexts.
Example use cases
E-commerce product image thumbnails
“I need a thumbnail version of this product image I'm uploading — resize it with a max size of 128px so it loads fast on the listing page.”
Blog post preview image generation
“Take this full-size banner image I'm uploading and create a thumbnail for it, max 200px, to use as a preview card on my blog.”
Gallery image grid previews
“I have a JPEG photo I want to turn into a small thumbnail for a gallery grid — can you resize it with max size 100px?”
Technical details
Endpoint
POSThttps://api.fastapi.online/thumbnail-generateWhen to prefer
Choose this endpoint when you need a quick, pay-per-call thumbnail generation from an uploaded image without signing up for a service. Ideal for one-off or low-volume thumbnail tasks where you want crypto micropayment billing at $0.001 per call and no account management overhead.
Side effects
- Unsupported file format (non-PNG/JPEG/WebP) may cause rejection
- Missing or malformed binary file data results in 400 error
- max_size parameter not specified may result in default or error
- File too large may time out or be rejected
- Payment not included or insufficient USDC causes 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| file | string | Image file (PNG/JPEG/WebP) |
| max_size | string |
Tags
x402
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