AWS S3

Cloud Storage

Object storage, file uploads, and static hosting

Interact directly with Amazon S3. Upload files, generate pre-signed URLs, manage buckets, and list objects via the REST API.

Details

Auth Type
AWS Signature Version 4

Rate Limit
3,500 PUT/COPY/POST/DELETE and 5,500 GET/HEAD requests per second per prefix

Pricing
$0.023 per GB (Standard storage)

Try It
Add to Agent
Export to Postman Full Docs

Step 1: Save your provider key

This is NOT your Callio key. Enter the API key from the provider's dashboard (e.g. OpenAI/SendGrid).

Save Provider Key

AWS Signature Version 4

  1. Go to AWS IAM Console
  2. Create an Access Key and Secret Key
  3. Note your bucket name and region

Get API Credentials

Getting Started

1

Try It Instantly

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

2

Add to Your Agent

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

Common Use Cases

  • File uploads
  • Image hosting
  • Pre-signed download URLs
  • Data backups
  • Asset delivery

💻 Code Examples

Get started quickly with these code examples in your favorite language

cURL

curl -X GET \
  'https://www.callio.dev/api/proxy/aws-s3/forward?target=https%3A%2F%2Fs3.amazonaws.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.

Ready to integrate AWS S3?

Test endpoints live or generate your API key and start building in minutes.