API Management (APIM)
Azure's managed API gateway — provides rate limiting, authentication, transformation, observability, and a developer portal in front of Dataverse and other APIs.
Azure API Management (APIM) is Microsoft's managed API gateway. Sitting in front of Dataverse, Business Central, F&O, and other APIs, APIM adds rate limiting (per-consumer quotas), authentication (subscription keys, OAuth, JWT validation), transformation (request / response shape), caching (reduce backend load), versioning (manage API evolution), observability (every request logged), and a developer portal (auto-generated documentation for consumers). Behaviour is configured through declarative policies in XML. Products group APIs; subscriptions issued to consumers. For enterprise Dynamics 365 integrations with many consumers — partners, internal apps, mobile clients — APIM is the standard governance layer. Tiered pricing (Developer, Basic, Standard, Premium) based on capacity needs.