Build a runnable curl command for one operation in an OpenAPI 3.x or Swagger 2.x
Build a runnable curl command for one operation in an OpenAPI 3.x or Swagger 2.x spec. Locate the operation by operationId (preferred) or by method + path, substitute path parameters using the spec's example values, include required query and header parameters with their example values, and attach a JSON body when the operation defines one. Returns the structured request (method, url, headers, body) alongside the assembled curl string with POSIX single-quote escaping.
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://agent402.tools/api/openapi-to-curl
| Category | Everything else |
|---|---|
| Provider host | agent402.tools |
| Networks | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:43114, eip155:4663, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, stellar:pubnet |
| Payment schemes | exact, upto |
| Self-reported calls, 30 days | 3 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 | $0.002 | 917 ms |
Example input (from the provider)
{
"body": {
"operationId": "getUser",
"spec": {
"openapi": "3.0.0",
"paths": {
"/users/{id}": {
"get": {
"operationId": "getUser",
"parameters": [
{
"in": "path",
"name": "id",
"required": true,
"schema": {
"example": "u_42",
"type": "string"
}
},
{
"in": "query",
"name": "fields",
"required": true,
"schema": {
"example": "name,email",
"type": "string"
}
}
],
"responses": {
"200": {
"description": "ok"
}
}
}
}
},
"servers": [
{
"url": "https://api.example.com"
}
]
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"method": {
"description": "HTTP method (use with `path` if no operationId)"
},
"operationId": {
"description": "operationId of the operation to render (preferred)"
},
"path": {
"description": "Path template (use with `method` if no operationId)"
},
"spec": {
"description": "OpenAPI/Swagger document (object or JSON string)"
}
},
"required": [
"spec"
]
},
"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": {
"properties": {
"example": {
"properties": {
"body": {},
"curl": {
"type": "string"
},
"headers": {
"type": "object"
},
"method": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"method",
"url",
"headers",
"curl"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}