Skip to main content
🧪 Sandbox🚀 Production
API basehttps://sandbox-api.opencard.iohttps://api.opencard.io
Application API.../api/v1/application.../api/v1/application
OAuth token.../oauth/token.../oauth/token
Registersandbox-api.opencard.io/registerContact support@opencard.io
Signing pagessandbox-api.opencard.io/accounts/.../sign/...api.opencard.io/accounts/.../sign/...
Everything is isolated — credentials, data, webhook secrets, signed documents. Separate universes.