Build with Gyvar

A signed, server-to-server API for moving value from a Bitcoin or stablecoin balance to a local destination - a mobile money number, a bank account, or another address.

Get startedAPI reference

Corridors

Four

Ghana, Nigeria, Kenya and Uganda, paid in local currency.

Assets

BTC, USDT, USDC

Sent to an address on a chain, or over Lightning.

Receive addresses

Seven chains

One standing address per chain, keyed on your own reference.

Environments

One host

The key you sign with decides sandbox or live, not the URL.

Start here

Quickstart

A key, a signed request, and a reply. Start here if you have not called the API before.

Signing a request

Ed25519 over a canonical string, in eight languages, with the four ways it goes wrong.

API reference

Every endpoint, generated from the spec that ships with the handlers.

Every page here is also served as Markdown - append .md to any docs URL, or read llms.txt for the index.

Stuck on an integration? hello@gyvar.com.