Ship Rate Features in
Minutes, Not Months

Free and open. One API call. 5,000+ credit unions. Real-time mortgage rates for your application.

GET /rates?productType=30-year-fixed

See It In Action

GET /rates
Request
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const API = 'https://api.rateapi.dev';

const params = new URLSearchParams({
  productType: '30-year-fixed',
  sort: 'apr',
  maxPoints: '0'
});

const res = await fetch(`${API}/rates?${params}`);
const { results } = await res.json();

console.log(results[0]);
// → { institution: "Navy Federal", apr: 5.875 }
200 OK
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Built for Developers

Blazing Fast

Sub-5ms response times from our global CDN. Your users get instant rate data.

🏦

5,000+ Credit Unions

The most comprehensive credit union rate database. Updated daily.

🔌

Simple Integration

REST API with JSON responses. Works with any language or framework.

📊

Rich Data

APR, rate, points, term, product type, and institution details in every response.

🔒

Enterprise Ready

99.9% uptime SLA, dedicated support, and custom data needs.

💰

Completely Free

No API keys, no authentication, no rate limits. Just call the endpoint and get data.

Up and Running in 60 Seconds

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# Get the best 30-year fixed rates
curl "https://api.rateapi.dev/rates?productType=30-year-fixed&sort=apr&maxPoints=0&limit=3"

# Response
{
  "results": [
    {
      "institution": "Navy Federal Credit Union",
      "apr": 5.875,
      "rate": 5.750
    },
    {
      "institution": "Pentagon Federal Credit Union",
      "apr": 5.990,
      "rate": 5.875
    },
    {
      "institution": "Alliant Credit Union",
      "apr": 6.125,
      "rate": 6.000
    }
  ]
}