Callio
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💱

Fixer

Finance & Payments

Foreign exchange rates and currency conversion.

Fixer provides live exchange rates and conversion endpoints for fiat currencies.

Details

Auth Type
API Key (access_key query)
Rate Limit
100/day free
Pricing
Free + paid
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).

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

FX conversion
Fintech apps
Pricing engines

💻 Code Examples

Get started quickly with these code examples in your favorite language

curl -X GET \
  'https://www.callio.dev/api/proxy/fixer/forward?target=http%3A%2F%2Fdata.fixer.io%2Fapi%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 Fixer?

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

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