Guides

Set up api0, step by step

Practical guides for your team and your IT: read them here, or download the PDF to share or keep.

  1. Guide 01

    How to Put Your Existing API in Claude in Under 10 Minutes

    Your application already does the work. Here's how to make it usable from Claude — no MCP server to write — with every action taken as the person who asked. The starting point for the Teams, WhatsApp and Telegram guides.

    Updated 11 November 2026 · 5 min

  2. Guide 02

    Put Your Product in Teams Without Building a Bot

    Your customers live in Microsoft Teams. Here's how to put your product there — in conversation, with each user's own permissions — without writing, hosting or maintaining a bot.

    Updated 7 November 2026 · 5 min

  3. Guide 03

    Connect Your Internal Systems to Claude, Securely

    Claude Enterprise is rolled out, but it doesn't know your ERP, your CRM or your HR tools. Here's how to open them to Claude without exposing secrets, with each employee's own permissions and a log of every call.

    Updated 7 November 2026 · 5 min

  4. Guide 04

    api0 Architecture: How a Request Travels

    The technical guide: how a request travels through api0, from Claude, Teams, WhatsApp or Telegram to your application, what each component does, how secrets are protected, and the domains involved.

    Updated 11 November 2026 · 8 min

  5. Guide 05

    Azure DevOps in Claude, Each Person With Their Own Microsoft Account

    The step-by-step setup for connecting Azure DevOps to api0 with each person's own Microsoft (Entra ID) sign-in: the organization, the Entra app, admin consent, the api0 wizard and the Connect button, with the errors you'll hit along the way and how to fix them.

    Updated 7 November 2026 · 14 min

  6. Guide 06

    Connect Azure Services to api0: Azure DevOps, SharePoint, Azure SQL and Logic Apps

    How to expose business data, content and processes from Azure through api0, using only API endpoints: who each call runs as, how to set up each Microsoft component, and the errors you'll hit along the way.

    Updated 11 November 2026 · 14 min

  7. Guide 07

    Your API in Microsoft Teams, With Your Own Azure Bot

    The step-by-step setup for putting an api0 tenant's tools in Microsoft Teams: the Azure Bot, connecting it in api0, the Teams app and its approval, and linking each person's account, with the errors you'll hit along the way and how to fix them.

    Updated 11 November 2026 · 10 min

  8. Guide 08

    Your API in WhatsApp, With Your WhatsApp Business Number

    The step-by-step setup for putting an api0 tenant's tools in WhatsApp: the Meta app, the Phone Number ID, the permanent token, the App Secret, the webhook and linking each person's number, with what api0's test checks and how to fix what it reports.

    Updated 11 November 2026 · 6 min

  9. Guide 09

    Your API in Telegram, With a Bot Made in Two Minutes

    The step-by-step setup for putting an api0 tenant's tools in Telegram: the bot from @BotFather, its token, connecting it in api0, linking each person's account and sharing it with the team, with what api0's test checks.

    Updated 11 November 2026 · 4 min

  10. Guide 10

    Inbound Authentication: Who Is Calling api0?

    How api0 knows who is calling, before every tool: OAuth 2.1 for Claude and MCP clients, Google or the company's identity provider for people, API keys for servers, and account linking for Teams, WhatsApp and Telegram.

    Updated 11 November 2026 · 4 min

  11. Guide 11

    Outbound Authentication: Which Credential api0 Uses to Call Your Application

    Every mode api0 uses to call your application or a third-party API: the identity token signed by api0, service keys and tokens, each person's own credential, named connections, and the decision tree for choosing.

    Updated 11 November 2026 · 4 min