Signing API requests
An extra layer of security on top of API keys
The Finqware API v1 has two base endpoints:
https://api.finqware.com/v1 - protected by TLS & API keys
https://api.finqware.com/v1s - extra security: message signing & anti-tampering
In order to use the v1s endpoints, an external API consumer is required to sign a short-lived JWT with each API call and include the JWS inside an Authorization header. The signed JWT payload will include a digest (sha256) of the request, for anti-tampering protection.
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