generated: '2026-07-11' method: derived source: openapi/cover-genius-openapi.yml summary: types: - apiKey api_key_in: - header schemes: - name: XCoverSignature type: apiKey in: header parameter: Authorization description: HTTP Signature authentication. Each request carries an X-Api-Key header, a Date header (RFC 822 GMT), and an Authorization header of the form Signature keyId="{API_KEY}",algorithm="hmac-sha512",signature="{base64}". The signature is an HMAC of the canonical string (by default the date header) computed with the partner's secret key. sources: - openapi/cover-genius-openapi.yml