# One (successor to IntegrationOS / Pica)

**Canonical:** https://apis.io/apis/integration-os/successor/  
**Provider:** IntegrationOS — https://apis.io/providers/integration-os/  
**Base URL:** https://app.withone.ai  
**Documentation:** https://withone.ai

One (successor to IntegrationOS / Pica) is published by [IntegrationOS](https://apis.io/providers/integration-os/) on the [APIs.io](https://apis.io/) network. Tagged areas include Agent Infrastructure, AI Agents, MCP, and Unified-API. The published artifact set on APIs.io includes API documentation and an engineering blog.

One is the current successor brand to IntegrationOS and Pica. It provides agent infrastructure with a unified CLI for 250+ platforms and 50,000+ tools, managed OAuth (AuthKit), multi-step Flows, memory, and the Bridge feature for converting API documentation into MCP servers. The legacy IntegrationOS and docs.integrationos.com domains now redirect into the One ecosystem.

## Machine-readable artifacts (10)

- **Portal** — https://withone.ai
- **Documentation** — https://www.withone.ai/docs/welcome
- **Blog** — https://www.withone.ai/blog
- **KnowledgeBase** — https://www.withone.ai/knowledge
- **Signup** — https://app.withone.ai
- **Login** — https://app.withone.ai
- **GitHubOrg** — https://github.com/withoneai
- **GitHubRepo** — https://github.com/withoneai/knowledge
- **Rules** — https://raw.githubusercontent.com/api-evangelist/integration-os/refs/heads/main/rules/integration-os-rules.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/integration-os/refs/heads/main/apis.yml

## Tags

Agent Infrastructure, AI Agents, MCP, Unified-API

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/integration-os/successor/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/integration-os/.