Use StableFX if you’re a financial institution—a payment service provider, fintech, crypto OTC desk, or prime broker—working in Request-for-Quote (RFQ) workflows.Documentation Index
Fetch the complete documentation index at: https://developers.circle.com/llms.txt
Use this file to discover all available pages before exploring further.
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API keys
Authenticate your requests with an API key.
Postman collection
Try the StableFX API with Circle’s Postman collection.
Webhooks
Set up webhook subscriptions for trade events.
Endpoint categories
Quotes
Request a quote for an FX trade.
Trades
Create, list, and retrieve trades.
Signatures
Register and generate trade and funding signatures.
Fees
Look up fees for a trade.
Funding
Fund a trade for settlement.