Update Lead
Partial update for an existing Lead. All fields are sometimes.
Lost-reason rule (PRD §10.6): if the new lead_stage_id resolves to a stage where is_lost=true, the body MUST also carry lead_lost_reason_id.
Headers
{{tenant_key_name}}
Request
This endpoint expects a multipart form.
lead_stage_id
Optional: new stage UUID
inquiry_summary
Optional: free-text inquiry
preferred_contact_method
Optional: phone|email|sms
Response
Successful response
