{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/prove/main/json-schema/prove-v3-start-request-schema.json", "title": "V3StartRequest", "x-generated": "2026-10-08", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/prove-identity-verification-api-openapi.yml#/components/schemas/V3StartRequest", "type": "object", "required": [ "flowType", "phoneNumber" ], "properties": { "flowType": { "type": "string", "enum": [ "desktop", "mobile" ], "description": "Whether the session originates on desktop or mobile." }, "phoneNumber": { "type": "string", "description": "Customer mobile phone number." }, "finalTargetURL": { "type": "string", "format": "uri", "description": "URL to redirect to at the end of a desktop (Instant Link) flow." }, "emailAddress": { "type": "string" }, "smsMessage": { "type": "string", "description": "Customizable SMS body; use" }, "ipAddress": { "type": "string" }, "dob": { "type": "string", "description": "Date of birth (YYYY-MM-DD) used to seed reconciliation." }, "ssn": { "type": "string", "description": "Full or last-four SSN." }, "allowOTPRetry": { "type": "boolean" } } }