Captchas.ir / Procurement review checklist

Architecture and contract
Review request routing, tenant boundaries, action binding and the OpenAPI contract

Engine and licensing
Compare challenge methods, difficulty settings, accessibility needs and upstream licenses with actual requirements

Commercial terms
Standard $10, Professional $20 and Enterprise $30 monthly cover 1, 2 and 3 sites Request allowances and payment gateway are not finalized

Open questions
Ask about support terms, SLA, data location, capacity and outage scenarios These cannot be inferred from a marketing page