AI API Documentation Generator & Interactive Developer Portal

Accelerate your developer experience with the Universal AI API Documentation Generator and Interactive Developer Portal on RiazHub.com. Synthesize strict OpenAPI 3.1.0 specifications (aligned with RFC 9110 HTTP semantics and JSON Schema 2020-12), automatically infer data types and required fields from raw JSON payloads, and compile ready-to-use client SDK code snippets in 6 programming languages (cURL, JavaScript Fetch, Python Requests, Node.js Axios, PHP cURL, and Go). Preview your endpoints in a Stripe-grade 2-column interactive documentation portal, test requests with an in-browser mock latency runner, and audit API contracts using a real-time Developer Quality Score HUD. Export your specifications with 1-click downloads to OpenAPI 3.1 YAML, OpenAPI JSON, Postman Collection v2.1.0, or Markdown (.md) guides. Designed with a 100% client-side, zero-leak privacy architecture ensuring your proprietary endpoints and tokens never leave your browser.

OpenAPI 3.1.0 • Client-Side Studio

Universal AI API Documentation Generator & Developer Portal

Synthesize production-grade OpenAPI 3.1 specifications, infer JSON schemas, compile SDK snippets in 6 languages, and test mock endpoints client-side with zero external server leaks.

Contract Status

OpenAPI 3.1.0

RFC 9110 HTTP & JSON Schema 2020-12

Quality Score

96% Complete

Descriptions & Error Codes Checked

Client SDKs

6 Languages

cURL • JS • Python • Node • PHP • Go

Security Standard

Bearer JWT

Authorization Header Injected

Quick Presets:

1. Global API Metadata

API Title

Version

Base Server URL

Authentication Standard

2. Endpoint Route & Method

HTTP Method

Route Path

Summary

Tag / Category

3. Parameters & Headers

4. Sample Request Payload (JSON)

{
  "amount": 4900,
  "currency": "usd",
  "source": "tok_visa_debit",
  "description": "Monthly Enterprise Subscription",
  "metadata": {
    "order_id": "ord_998124",
    "tax_exempt": false
  }
}

POST /customers/{customer_id}/charges

Create customer credit card charge

Base URL: https://api.riazhub.com/v1

Security: Bearer JWT

Content-Type: application/json

Parameters & Headers

Parameter	In	Type	Description

HTTP Response Codes

Successful charge transaction created.

Response Payload (JSON) 200 OK

Interactive 'Try It Out' HTTP Mock Runner

POST

Simulate client request execution, latency timer benchmark, and inspect simulated headers and response payload.

Response Status: 200 OK Latency: 142ms Content-Type: application/json

Contract Audit & Schema Completeness HUD

96%

✓ HTTP Method Defined (RFC 9110)

✓ Base URL & Version Standard

✓ Typed Parameter Signatures

✓ JSON Schema Validation

✓ 4xx & 5xx Client Error Envelopes

✓ Authentication Security Scheme

OpenAPI 3.1.0 vs. OpenAPI 3.0: 100% JSON Schema 2020-12 Alignment ▼

OpenAPI 3.1.0 is the modern specification standard that achieved full convergence with JSON Schema draft 2020-12. In legacy OpenAPI 3.0, schemas used a modified subset of JSON Schema, creating dialect mismatches (e.g. nullable: true versus type: ["string", "null"]). OpenAPI 3.1 enables true polymorphic schemas, standard type arrays, and direct reuse of enterprise JSON Schemas without translation layers.

Idempotency Principles in HTTP Semantics (RFC 9110) ▼

Under HTTP RFC 9110, an idempotent method is one where multiple identical requests produce the same intended effect on the server state. GET, HEAD, PUT, and DELETE are idempotent. Repeating a PUT request replaces the resource without creating duplicates. In contrast, POST and PATCH are non-idempotent; for critical payment routes (such as Stripe charges), developers should inject an Idempotency-Key header to prevent duplicate billing upon network retries.

Standard HTTP Status Code Hierarchy (2xx, 4xx, 5xx) ▼

Production developer portals require explicit status codes: 200 OK (successful read/mutation), 201 Created (entity spawned, should return Location header), and 204 No Content (successful deletion). For client errors, portals must distinguish between 400 Bad Request (malformed payload), 401 Unauthorized (missing or expired token), 403 Forbidden (insufficient ACL permissions), 404 Not Found, and 429 Too Many Requests (rate limit breached).

Rate Limiting & Gateway Security Headers ▼

High-traffic REST architectures expose rate limit telemetry in response headers: X-RateLimit-Limit (allowed requests in sliding window), X-RateLimit-Remaining (remaining budget), and Retry-After (seconds until window reset). Incorporating these headers into OpenAPI contracts prevents client-side timeout cascades.

100% Client-Side Privacy Guarantee: All OpenAPI parsing, schema inference, code snippet generation, and canvas rendering execute entirely in-browser. Zero private API tokens, routes, or proprietary payload schemas are ever sent to an external server. Powered by RiazHub.com.

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Universal AI API Documentation Generator & Developer Portal

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