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Dev.to
Dev.to
7/18/2026
The original title is "A Practical Guide to API Integration Contracts for AI-Built Apps"

The original title is "A Practical Guide to API Integration Contracts for AI-Built Apps"

Original: A Beginner's Guide To APIs And Integrations In AI-Built Apps In 2026

Short summary

A beginner-friendly guide to thinking about API integrations in AI-built apps, framing an integration as a contract rather than a button. It provides a sentence template for defining integrations and a seven-question checklist covering inputs, outputs, error handling, credentials, and cost. The author promotes a free prompt pack for AI app builders, which accounts for some self-promotion.

  • Frame API integrations as contracts with defined inputs, outputs, and error states
  • Use a sentence template: When [user] does [action], my app sends [input] to [service] to return [output] for [outcome]
  • Seven-question checklist covers exact inputs, response handling, credentials, cost, and validation

Generated with AI, which can make mistakes.

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