A valid phone format is not ownership, identity or SMS delivery. The anonymous fixture and merchant phone sandbox use synthetic data. Handle invalid and unavailable as separate outcomes; do not silently approve either.
curl https://gridzen.ai/console/api/quickstart/trial \ -H 'Content-Type: application/json' \ -d '{"task": "signup_phone", "scenario": "success"}' This is synthetic integration testing, not identity verification or production authorization. Real payments are disabled.
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Written and tested by the GridZen team with AI assistance.
