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fastapi.online — curl Command Generator
x402
fastapi.online — curl Command Generator is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Generates a curl command from a plain-English description of what you want to do
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
A ready-to-run curl command string constructed from the described operation, including appropriate flags, headers, HTTP method, URL, and body formatting as inferred from the description.
Example use cases
API testing one-liner generation
“Can you give me a curl command that does a GET request to https://api.weather.com/v1/forecast with an API key header X-API-Key set to abc123?”
File upload curl construction
“I need to upload a file called report.pdf to https://storage.mysite.com/upload using a multipart form POST — can you write the curl command for that?”
Authenticated REST API call
“Write me a curl command to PATCH https://api.myapp.com/orders/42 with a JSON body setting status to shipped, using a Bearer token of eyJhbGc for authorization.”
Technical details
Endpoint
POSThttps://api.fastapi.online/curl-command-generateWhen to prefer
Choose this endpoint when you need to quickly generate a syntactically correct curl command from a plain-English description without having to look up curl flags and syntax. It is especially useful for agents helping developers test APIs, script HTTP calls, or onboard to new services. At $0.001 per call with no signup required, it is ideal for lightweight, one-off developer tooling tasks.
Side effects
- Empty or too-vague description may produce a generic or incorrect curl command
- Descriptions referencing proprietary auth flows may result in incomplete commands
- Very long or complex multi-step descriptions may exceed the 2000-character input limit
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| description | string |
Tags
x402
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