API

This specification

GEThttps://ecdsa.com/api/v1/openapi.json

The OpenAPI 3.1 document of this API, generated from the same operation definitions the server runs. The same document for every caller: cached by the CDN for an hour, not rate limited.

API key: Not read: the answer is the same for everyone
Rate limit: None: served from the CDN cache

Request

This operation takes no input.

Responses

200OpenAPI 3.1 document.

Field	Type	Required	Description
openapi	string	yes	The OpenAPI version, "3.1.0".
info	object	yes	more members may appear
info.title	string	yes
info.version	string	yes
paths	object	yes	any member names

Status	Meaning	Codes
404	Not found.	not_found
405	Method not allowed.	method_not_allowed
500	Internal server error.	internal_error

Every error answer carries the JSON envelope; the error table says what each code means and what to do.

Example

The OpenAPI document

curl

curl -sS 'https://ecdsa.com/api/v1/openapi.json'

JavaScript (fetch)

const response = await fetch("https://ecdsa.com/api/v1/openapi.json");
console.log(response.status, await response.json());

Python (httpx)

import httpx

response = httpx.get("https://ecdsa.com/api/v1/openapi.json", timeout=30.0)
print(response.status_code, response.json())

The 200 answer is 109 KB of JSON, too long to show here: open it.

The API’s answer to this example, produced for this page on October 20, 2026; relative times and day counts in it refer to that day.

Error codes

Code	Status	Meaning
not_found	404	No operation exists at this path.
method_not_allowed	405	The path exists but does not accept this HTTP method; see the Allow header.
internal_error	500	Unexpected server error.

Schemas

Error

The error envelope of every non-2xx response.

Field	Type	Required	Description
error	object	yes
error.code	string	yes	Machine-readable error code. Each response lists the codes it can carry; new codes may be added within v1, so treat an unknown code by its HTTP status.
error.message	string	yes	Human-readable explanation (English).
error.requestId	string	no	The X-Request-Id of this request — quote it when reporting a problem. Sent since v1.1.
error.detail	object	no	Structured context for the error, such as the offending field; omitted when there is none. any member names
error.docs	string	no	Where the error codes are explained. Sent since v1.1. format uri

All operations are listed in the API reference.