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expo-api-routes

Guide developers building Expo Router API routes hosted on EAS with conventions for structure, HTTP methods, and security.

Updated Sep 7, 2024
Search Tags:#serverless#routing#backend#expo#api-routes#expo-router#eas-hosting
One-click install
npx skills add https://github.com/Asylcreek/home-manager --skill expo-api-routes-asylcreek
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: expo-api-routes
Source: https://github.com/Asylcreek/home-manager/tree/main/dots/agents/skills/expo-api-routes
Command: npx skills add https://github.com/Asylcreek/home-manager --skill expo-api-routes-asylcreek

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Guidelines for creating API routes in Expo Router with EAS Hosting, helping teams implement secure, scalable server-side logic for mobile and web apps.

Core Features & Use Cases

  • Guidance on file structure: Use the app/api directory with +api.ts endpoints to organize server logic.
  • HTTP methods and error handling: Provide consistent, predictable patterns for GET/POST/PUT/DELETE and robust error handling.
  • Deployment and security practices: Cover environment variables, secret management, CORS, and deployment workflows for Expo Hosting.
  • Use case examples: Protect secrets during API calls, proxy external services, validate input, and handle webhooks from Stripe, GitHub, and others.

Quick Start

Create an API route under app/api/hello+api.ts and deploy it to EAS Hosting.

Frequently Asked Questions about expo-api-routes

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create serverless API routes with Expo Router and EAS Hosting?▼

To create Expo API routes, add a +api.ts file inside the app/api directory and deploy the project to EAS Hosting. This pattern enables serverless backend endpoints directly within your Expo Router application structure.

What is the best way to handle HTTP methods and errors in Expo API routes?▼

The best way to handle HTTP methods in Expo API routes is to implement consistent patterns for GET, POST, PUT, and DELETE requests. You should apply robust error handling practices to ensure predictable responses across all server-side endpoints.

Can I use Expo API routes to protect secrets and proxy external services?▼

Yes, you can use Expo API routes to securely protect secrets during API calls and proxy external services. They also support validating input data and handling incoming webhooks from external providers like Stripe and GitHub.

How do I manage environment variables and CORS for backend endpoints on EAS Hosting?▼

Managing environment variables and CORS for EAS Hosting involves applying specific deployment and security practices. You must configure secret management and cross-origin resource sharing policies within your Expo project before deploying.

Do I need Expo Router and EAS Hosting to build backend API routes?▼

Yes, this approach specifically requires a project using Expo Router with EAS Hosting. It outlines conventions for server-side logic, file structure, routing, and deployment workflows tailored to this exact stack.

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