[GH-ISSUE #4051] API Design: Standardization and Versioning Strategy #2578

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opened 2026-02-22 18:30:20 -05:00 by yindo · 0 comments
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Originally created by @jezweb on GitHub (Jun 26, 2025).
Original GitHub issue: https://github.com/Mintplex-Labs/anything-llm/issues/4051

Overview

Standardize API design patterns and implement proper versioning strategy for better maintainability and backward compatibility.

Related to upstream discussion: https://github.com/Mintplex-Labs/anything-llm/issues/2797

Current Issues

  1. Mixed patterns in API endpoints (some use /v1/, others don't)
  2. Inconsistent response formats across endpoints
  3. No API documentation generation
  4. Limited request validation
  5. No API versioning strategy

Proposed Solutions

1. API Route Standardization

Current Structure (Mixed)

/api/system/settings
/api/v1/document/upload
/api/workspace/new
/v1/employer/setup-complete

Proposed Structure

/api/v1/system/settings
/api/v1/documents/upload
/api/v1/workspaces
/api/v1/admin/setup

2. Unified Response Format

Standard Success Response

{
  "success": true,
  "data": {...},
  "metadata": {
    "timestamp": 1234567890,
    "version": "1.0.0",
    "requestId": "uuid-v4",
    "pagination": {
      "page": 1,
      "limit": 20,
      "total": 100
    }
  }
}

Standard Error Response

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid input",
    "details": [...],
    "timestamp": 1234567890,
    "requestId": "uuid-v4"
  }
}

3. Request Validation Middleware

Using Zod/Joi

// Example validation schema
const createWorkspaceSchema = z.object({
  name: z.string().min(1).max(100),
  openAiTemp: z.number().min(0).max(2).optional(),
  chatMode: z.enum(['chat', 'query']).optional()
});

4. API Documentation

OpenAPI/Swagger Integration

  • Auto-generate from route definitions
  • Interactive API explorer
  • Client SDK generation
  • Webhook documentation

5. Versioning Strategy

URL Versioning

  • Major versions in URL: /api/v1/, /api/v2/
  • Minor versions via headers: API-Version: 1.2

Backward Compatibility

  • Deprecation notices in headers
  • Grace period for migrations
  • Version sunset dates
  • Migration guides

Implementation Plan

Phase 1: Foundation

  1. Create API response wrapper utilities
  2. Implement request validation middleware
  3. Set up OpenAPI documentation
  4. Create versioning middleware

Phase 2: Migration

  1. Audit all existing endpoints
  2. Create migration scripts
  3. Update routes to new structure
  4. Add validation to all endpoints

Phase 3: Documentation

  1. Generate OpenAPI specs
  2. Create interactive docs
  3. Write migration guides
  4. Update client examples

Benefits

  • Consistent API experience
  • Better error handling
  • Auto-generated documentation
  • Easier client integration
  • Smooth version migrations

Breaking Changes

  • Routes will change (provide migration period)
  • Response format will be standardized
  • Some endpoints will be consolidated

Labels: enhancement, api, documentation, breaking-change

Originally created by @jezweb on GitHub (Jun 26, 2025). Original GitHub issue: https://github.com/Mintplex-Labs/anything-llm/issues/4051 ## Overview Standardize API design patterns and implement proper versioning strategy for better maintainability and backward compatibility. Related to upstream discussion: https://github.com/Mintplex-Labs/anything-llm/issues/2797 ## Current Issues 1. Mixed patterns in API endpoints (some use /v1/, others don't) 2. Inconsistent response formats across endpoints 3. No API documentation generation 4. Limited request validation 5. No API versioning strategy ## Proposed Solutions ### 1. API Route Standardization #### Current Structure (Mixed) ``` /api/system/settings /api/v1/document/upload /api/workspace/new /v1/employer/setup-complete ``` #### Proposed Structure ``` /api/v1/system/settings /api/v1/documents/upload /api/v1/workspaces /api/v1/admin/setup ``` ### 2. Unified Response Format #### Standard Success Response ```javascript { "success": true, "data": {...}, "metadata": { "timestamp": 1234567890, "version": "1.0.0", "requestId": "uuid-v4", "pagination": { "page": 1, "limit": 20, "total": 100 } } } ``` #### Standard Error Response ```javascript { "success": false, "error": { "code": "VALIDATION_ERROR", "message": "Invalid input", "details": [...], "timestamp": 1234567890, "requestId": "uuid-v4" } } ``` ### 3. Request Validation Middleware #### Using Zod/Joi ```javascript // Example validation schema const createWorkspaceSchema = z.object({ name: z.string().min(1).max(100), openAiTemp: z.number().min(0).max(2).optional(), chatMode: z.enum(['chat', 'query']).optional() }); ``` ### 4. API Documentation #### OpenAPI/Swagger Integration - Auto-generate from route definitions - Interactive API explorer - Client SDK generation - Webhook documentation ### 5. Versioning Strategy #### URL Versioning - Major versions in URL: /api/v1/, /api/v2/ - Minor versions via headers: API-Version: 1.2 #### Backward Compatibility - Deprecation notices in headers - Grace period for migrations - Version sunset dates - Migration guides ## Implementation Plan ### Phase 1: Foundation 1. Create API response wrapper utilities 2. Implement request validation middleware 3. Set up OpenAPI documentation 4. Create versioning middleware ### Phase 2: Migration 1. Audit all existing endpoints 2. Create migration scripts 3. Update routes to new structure 4. Add validation to all endpoints ### Phase 3: Documentation 1. Generate OpenAPI specs 2. Create interactive docs 3. Write migration guides 4. Update client examples ## Benefits - Consistent API experience - Better error handling - Auto-generated documentation - Easier client integration - Smooth version migrations ## Breaking Changes - Routes will change (provide migration period) - Response format will be standardized - Some endpoints will be consolidated Labels: enhancement, api, documentation, breaking-change
yindo closed this issue 2026-02-22 18:30:20 -05:00
yindo changed title from API Design: Standardization and Versioning Strategy to [GH-ISSUE #4051] API Design: Standardization and Versioning Strategy 2026-06-05 14:47:22 -04:00
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Reference: Mintplex-Labs/anything-llm#2578