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expo-api-routes

Guide Expo Router API endpoint structure, HTTP methods, and EAS deployment.

Updated Aug 23, 2026
Search Tags:#serverless#backend#web-development#expo#api-routes#expo-router#eas-hosting
One-click install
npx skills add https://github.com/yushanwebdev/yumail --skill expo-api-routes-yushanwebdev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: expo-api-routes
Source: https://github.com/yushanwebdev/yumail/tree/main/.opencode/skills/expo-api-routes
Command: npx skills add https://github.com/yushanwebdev/yumail --skill expo-api-routes-yushanwebdev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Expo Router API routes require careful structure to protect secrets, standardize HTTP method usage, and streamline deployment on EAS Hosting. This Skill provides guidelines to establish consistent practices for building server-side API routes in Expo projects.

Core Features & Use Cases

  • Clear guidance on when to use API routes, how to structure app/api endpoints, and how to proxy external services safely.
  • Best practices for HTTP methods (GET, POST, PUT, DELETE) and dynamic routes with TypeScript typings.
  • Environment variable handling, error handling, CORS considerations, and deployment notes for Expo + EAS hosting.

Quick Start

Create an API route at app/api/hello+api.ts and implement a basic GET handler to validate the setup.

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 API routes in Expo Router?▼

To create Expo API routes, you structure endpoints within the app/api directory, implementing specific HTTP method exports like GET or POST in TypeScript files to handle server-side requests securely.

When should I use Expo API routes instead of an external backend?▼

Use Expo API routes when you need to proxy external services safely, handle server-side logic without a separate backend, or standardize HTTP method usage directly within your Expo project deployed on EAS Hosting.

How do I handle environment variables in Expo API routes?▼

Handling environment variables in Expo API routes involves using secure patterns to protect secrets, ensuring sensitive data is safely loaded and accessed during server-side execution on EAS Hosting.

Can I use dynamic routes for Expo API endpoints?▼

Yes, Expo API endpoints support dynamic routes. You can implement dynamic route handling with TypeScript typings to capture URL parameters and serve varied responses based on the request path.

What's the best way to handle errors and CORS in Expo API routes?▼

The best way to handle errors and CORS in Expo API routes is by applying standardized error handling patterns and configuring CORS considerations to ensure reliable, secure cross-origin requests.

Does EAS Hosting support serverless deployment for Expo API routes?▼

Yes, EAS Hosting supports serverless deployment for Expo API routes, providing specific deployment steps and coding conventions to streamline the release of your serverless backend endpoints.

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