{"version":"2026-10-14","authentication":{"appIdHeader":"X-Nexakol-App-Id","authorization":"Authorization: Bearer nx_live_…","idempotency":"Optional Idempotency-Key header for POST requests"},"endpoints":[{"method":"POST","path":"/api/v1/contacts","scope":"contacts:write","purpose":"Create or update a customer contact"},{"method":"POST","path":"/api/v1/calls","scope":"calls:create","purpose":"Create an agent-assisted click-to-call request"},{"method":"POST","path":"/api/v1/reminders","scope":"reminders:create","purpose":"Start or schedule an AI reminder campaign"},{"method":"GET","path":"/api/v1/calls/:id","scope":"calls:read","purpose":"Read an API-created call or reminder request"}],"notes":["Create an application in the customer Admin portal before using this API.","Keep API keys in your server environment; never place them in browser code.","A reminder uses the selected assistant’s saved prompt and voice."]}