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Open-Source Survey Tool Formbricks Has 167 API Endpoints, Not the 6 You'd Expect

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A developer analyzed the full codebase of Formbricks, an open-source survey platform, and found it exposes 167 API endpoints despite its core functionality requiring just six. The extra endpoints arise from browser CORS preflight handling, parallel API versioning to support older SDKs, and a full management API covering surveys, contacts, webhooks, and file storage. A newer v3 API adds 20 more endpoints focused on AI-driven survey generation and feedback classification, signaling the product's future direction. The analysis was part of a broader series scanning open-source projects to map their API surfaces from source code. The author argues the gap between a weekend prototype and a production product is the most underestimated number in software engineering.

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