Authentication - Anchorage Digital

All API requests require the Api-Access-Key header.

Api-Access-Key: YOUR_API_KEY

Some endpoints also require:

Api-Timestamp: 1577880000
Api-Signature: 4bf42054bf7db1f8...

For how permission groups, keys, and signatures work together, see API setup and Request signing.

How authentication works

API authentication has three layers. Every request needs all the layers that apply to the endpoint you’re calling.

A permission group defines which vaults a key can access and what operations it can perform.

An access key identifies the caller and is required on every request.

An Ed25519 signature authorizes sensitive endpoints, such as withdrawals.

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