Glossary

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Glossary / Evaluation and implementation guide

API Gateway

An API gateway is a managed entry point that sits between clients and backend services, handling API traffic in one place.

It typically manages authentication, request routing, rate limiting, and monitoring, so individual services do not each implement those controls.

In an RFP, a gateway requirement usually signals a team centralizing how external systems reach their stack.

A practical example

Example: a platform team connecting five vendors to internal services deploys a gateway so every external call passes through one authenticated, logged entry point.

When a vendor rotates keys or misbehaves, they adjust one configuration instead of touching five services.

What to evaluate before investing

  • Ask whether the vendor's platform can sit behind your gateway: confirm it supports gateway-issued credentials and fixed callback URLs.
  • Check that the gateway provides per-client rate limiting and usage analytics, so one noisy integration cannot starve the others.
  • Confirm monitoring and alerting on failed requests, not just successful traffic counts.

Limitations and tradeoffs

A gateway adds a component to operate and a potential single point of failure; for a handful of simple integrations, direct connections with good credentials may be the leaner choice.

Plan your next step with MeshLine

Connect this decision to your automation, organic marketing and customer lifecycle management. In a MeshLine demo, discuss your existing tools, the scope you need and how to measure the result.