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API Changelog

Track API updates, new features, and breaking changes.

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Added
Changed
Deprecated
Removed
Fixed
Security

2025.12.0

2024-12-23

Added

Interactive API documentation with Scalar Pro

Added

URL-based deep linking for API reference navigation

Added

Multi-language SDK generation (TypeScript, Python, Go, PHP, Java, Ruby)

Added

Comprehensive Getting Started guide with code samples

Added

Authentication documentation with best practices

Added

Error codes reference with solutions

2025.11.0

2024-11-15

Added

RAG (Retrieval-Augmented Generation) knowledge bases API

Added

Document upload and processing for knowledge bases

Added

Semantic search across knowledge bases

Changed

Improved AI conversation context handling

Fixed

Fixed rate limiting for high-volume API keys

2025.10.0

2024-10-20

Added

AI Agents API with custom tool definitions

Added

Agent execution history and monitoring endpoints

Added

Streaming support for AI message responses

Changed

Updated Claude models to latest versions

Deprecated

Legacy /v1/chat endpoint (use /v1/ai/conversation instead)

2025.9.0

2024-09-10

Added

Organization management endpoints

Added

Team member invitations and role management

Added

API key scopes for fine-grained access control

Security

Enhanced API key rotation with zero-downtime

2025.8.0

2024-08-05

Added

Webhook notifications for conversation events

Added

Usage analytics and billing endpoints

Changed

Improved error messages with actionable solutions

Fixed

Fixed pagination cursor handling for large datasets

2025.7.0

2024-07-01

Added

Initial public API release

Added

Authentication via Bearer tokens and API keys

Added

AI conversations and messaging

Added

User profile management

API Versioning

The OneApp API uses calendar versioning (CalVer) with the format YYYY.MM.PATCH.

Current Version

v1 (2025.12.0)

Base URL

https://api.oneapp.io/api/v1

Deprecation Policy: Deprecated features are announced at least 6 months before removal. Check the Deprecated tag above for features that will be removed in future versions.

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