generated: '2026-07-21' method: searched source: https://customer-api-doc.myshyft.com/ derived_from: openapi/shyft-customer-openapi-original.json note: Test/sandbox affordances for the Shyft Customer API. The OpenAPI declares dedicated test service hosts, and the phone-signup flow exposes an SMS-code retrieval helper intended for testing. No published test card numbers or hosted test tokens (billing is handled via embedded Stripe objects on the Products/Subscriptions/EWA surface). Never invent test values. test_hosts: - https://test-service.myshyft.com - https://test-unfurl.myshyft.com test_host_reachable: https://test-service.myshyft.com: 200 helpers: - operation: GET /api/code_auth/{phone_number} purpose: Retrieve the SMS verification code for a phone number to complete PhoneNumber signup/sign-in in a test context. test_cards: null test_credentials: Not published in the public documentation.