November 2026 Summaries

WireMock Templates are hosted simulations of third-party APIs designed to let developers and coding agents build and test applications without creating vendor accounts, obtaining credentials, or relying on incomplete hand-written mocks. Covering more than 100 APIs from vendors such as Stripe, OpenAI, Anthropic, GitHub, Okta, Google, Plaid, and Azure, templates use vendor API descriptions and recorded real-service traffic to reproduce request formats, responses, conditional behavior, authentication flows, and, in some cases, stateful interactions such as creating customers, issuing refunds, or retrieving previously created resources. Public shared endpoints can be called immediately with placeholder keys and SDK base-URL configuration, but users should not send real data or credentials because the sandboxes are public, rate-limited, and may expose shared state. WireMock Cloud allows teams to create private copies, customize stubs and failure cases, add dynamic or stateful behavior, inspect request logs, secure access, and reset data for testing. The guidance also recommends documenting mock API URLs in agent instruction files and loading them through development or test configuration so agents default to mocks while production continues using real services and credentials.