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Petstore OpenAPI 3.1 (Valid JSON)

A valid OpenAPI 3.1 pet-store SAMPLE spec in JSON — list/create pets with paginated responses for schema-validator and codegen tests.

Schema / OpenAPI testingJSON parsingAPI testing
Preview — first 50 linesjson
{
  "openapi": "3.1.0",
  "info": {
    "title": "Novus Petstore SAMPLE API",
    "version": "1.0.0",
    "description": "Tiny OpenAPI fixture for Wave F schema testing."
  },
  "paths": {
    "/pets": {
      "get": {
        "operationId": "listPets",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PetPage"
                }
              }
            }
          }
        }
      },
      "post": {
        "operationId": "createPet",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/PetCreate"
              }
            }
          }
        },
        "responses": {
          "201": {
            "description": "Created"
          }
        }
      }
    },
    "/pets/{petId}": {
      "get": {
        "parameters": [
          {
            "name": "petId",
            "in": "path",
            "required": true,
… 120 lines total — download for the full file.

Specifications

Format
OpenAPI 3.1
Paths
2
Schemas
3
Valid
true
Seed
42042

What is a .json file?

JSON (JavaScript Object Notation) is a lightweight, text-based data-interchange format representing objects, arrays, strings, numbers, booleans, and null. It is language-independent, human-readable, and the dominant format for web APIs and configuration. It requires a single well-formed root value.

How to use this file

Use an example JSON file to test parsers and serializers, schema validation, Unicode and number-precision handling, and API request or response processing.

How to use this file for testing

“Petstore OpenAPI 3.1 (Valid JSON)” is a deterministic Novus Examples fixture for Schema / OpenAPI testing, JSON parsing, API testing. Valid and intentionally invalid OpenAPI/JSON Schema documents plus request/response examples for schema validators and API tooling.

Documented properties for this file: seed 42042 · OpenAPI 3.1. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.

Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such — expect parsers to fail loudly rather than silently accept them.

Data fixtures document their exact quirks — delimiters, encodings, null handling, schema, and row counts — in the spec table. Point your parser or importer at the file and assert it handles the documented edge cases; clean and deliberately-messy siblings make before/after diffs straightforward.

Valid and intentionally invalid siblings are labelled in title and description. Assert parsers accept the valid twin and fail loudly on the invalid one; for time series, check DST gaps and duplicate keys against the spec table.

Code examples

import json

with open("petstore-openapi.json") as f:
    data = json.load(f)
print(type(data), len(data))

Related files

Generated by generation/data_wave_f.py. Free for any use, no attribution required — license.