
Azure API Center
5.6#23 in api marketplace softwareFree planFree planWeb
Visit

It suits teams that need to organize API definitions and apply governance rules across API lifecycles. The Free plan is limited to full capabilities for the first five APIs, while Standard supports up to 10,000 registrations.
Zuplo suits teams managing APIs that want gateway security, documentation and a hosted developer portal. Its AI and MCP gateways may also fit teams routing AI-provider requests or governing MCP servers.