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JSONPlaceholder

Testing

Free public REST API for testing and prototyping

Perfect for testing the Callio playground without any credentials. JSONPlaceholder provides fake data that responds exactly like a real REST API — posts, comments, users, todos, and more.

Details

Auth Type

None (Public API)

Rate Limit

Unlimited

Pricing

Free

Full Docs

✓ This is a public API - No credentials needed! Try it right now in the playground.

Getting Started

Try It Instantly

Click "Try It" above to test the API in the playground

Add to Your Agent

Click "Add to Agent" to get your API key and integrate

Common Use Cases

Test the Callio playground

Prototype API integrations

Learn HTTP methods

Demo Callio to your team

CI/CD pipeline testing

💻 Code Examples

Get started quickly with these code examples in your favorite language

curl -X GET \
  'https://callio.app/api/proxy/jsonplaceholder/forward?target=https%3A%2F%2Fjsonplaceholder.typicode.com%2Fendpoint' \
  -H 'Authorization: Bearer YOUR_CALLIO_KEY' \
  -H 'Content-Type: application/json'

💡 Tip: Replace YOUR_CALLIO_KEY with your actual Callio API key from the dashboard.

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