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Current Rate Limits

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Unauthenticated

Endpoint ScopeRate Limit
200 requests per two hours
Rest of endpoints200 requests per two hours

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Authenticated (with API key specified)

Endpoint ScopeRate Limit
200 requests per minute
Rest of endpoints200 requests per minute
Higher limits may be available for clients in the custom terms. Please Contact Us for more information.
If you exceed your rate limits, you’ll receive a 429 Too Many Requests HTTP response.

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How to Get an API Key

To obtain an API key with higher rate limits, you need to register on the portal.delora.build. After registration, your unique API key will be generated.

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Best Practices

To avoid hitting rate limits:
  • Cache results from GET /tokens, GET /chains, and static endpoints
  • Avoid polling frequently for the same data
  • Batch or debounce user input that triggers API calls

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Using the API key

Delora API do not require API key. API key is only needed for higher rate limits.
Authentication to Delora API is performed via the custom HTTP header x-api-key with an API key. Example: 
curl --location 'https://api.delora.build/v1/quotes?senderAddress=0x26f1AA7356Fc05db2CdF6bE4C404dcE00e82Fe47&receiverAddress=0x26f1AA7356Fc05db2CdF6bE4C404dcE00e82Fe47&originChainId=1&destinationChainId=1&amount=1000000000000000000&originCurrency=0x0000000000000000000000000000000000000000&destinationCurrency=0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' \
--header 'x-api-key: YOUR_CUSTOM_KEY'
Never expose your x-api-key in client-side environments such as browser-based JavaScript. Using the API key on the client side can lead to unauthorized usage or abuse of your key, as it becomes publicly accessible in the browser’s developer tools or network tab. For server-side integrations (e.g. API requests from your backend), always keep your key secret and secure.

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Need Higher Limits?

If you’re building a high-volume integration or a production-grade product, we’re happy to support your scaling needs. Please Contact Us for more details.