Tutorials

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realistic APIs.

Step-by-step guides for designing datasets, publishing REST endpoints, and generating working apps with AI coding tools.

Highlights

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GET /v1/apis/projects
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GET /v1/apis/tasks
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Featured tutorial

Tutorial6 stepsIntermediate30–45 minutes

Build an AI Agent with Business Data

Connect customer, subscription, invoice, and usage data to a customer success agent using API Butler — build in Cursor, Claude, ChatGPT, or Mistral.

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Customer Success Agent
Which customers are on the Pro plan?
Found 12 Pro customers. Acme Corp and Northwind Labs are the highest revenue accounts.
Which invoices are overdue?
Ask about customers, invoices, subscriptions…
Customer Lookup
GET /v1/apis/customers
Subscription Panel
GET /v1/apis/subscriptions
Invoice Panel
GET /v1/apis/invoices
Usage Panel
GET /v1/apis/usage

More tutorials

Keep learning.

Tutorial

Build a CRM Dashboard from Spreadsheet Export

Turn HubSpot, Salesforce, or spreadsheet CRM exports into live APIs and generate a working dashboard with Cursor or Claude Code.

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Tutorial

Build a Mock API for User-Centric Apps

Design realistic datasets, publish REST endpoints, and generate a working SaaS dashboard with Cursor or Claude Code.

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Documentation

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Integrations

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