API Integration means wiring third-party and internal REST/GraphQL services together — auth flows, webhooks, rate limits, payload mapping. It's core to REST API Developers, Solutions Engineers, and Fintech Product Managers stitching payment gateways (Razorpay, UPI) into products, and to Generative AI Engineers connecting model endpoints. Indian product companies and SaaS startups treat this as a baseline hire filter for backend and platform roles, pushing pay well above generic scripting work.
The skills most often needed alongside API Integration in the same roles — build these together to widen your options.
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REST API Developer