1. Deprecating Signatures endpoint

Deprecating Signatures endpoint

We are deprecating the https://signatures-api.criipto.com/v1/graphql URL in favor of https://signatures.idura.app/v1/graphql.

We recommend switching for improved performance and to ensure uninterrupted usage. The https://signatures-api.criipto.com/v1/graphql URL will be taken down on October 4, 2027.