CS-API-007 · API Application APIs, event streams and SaaS intake · 49 of 192
Maintain subscriptions through API version change
Application Integrator · Trigger: A source announces or exposes a new API version.
Simulated fixture data. Every record, receipt and timeline entry on this screen is demonstration material. It is never production evidence.
Acceptance
1 of 3 steps satisfiedMigration evidence will identify changed fields, consumer impacts and the approved active version.
Run the remaining steps below. The result is read back from record state — nothing here is a toast.
Normal path
An application API or event stream is acquired with a pinned contract and a backlog inside budget.
Step 1. Test acquisition, pagination and checkpoint recovery.
not yet satisfiedacquisitiondegradedcontractsupersededbacklogwithin budget
Moves the record and writes evidence. Permission: test.
Acceptance for this step: acquisition = healthy
Step 2. Pin the contract version the acquisition depends on.
satisfiedacquisitionhealthycontractcurrentbacklogwithin budget
Separation of duties: Integration Engineer may not do this. Act as
Acceptance for this step: contract = current
Step 3. Drain the backlog back inside its budget.
not yet satisfiedacquisitionfailedcontractpendingbacklogbacklogged
Moves the record and writes evidence. Permission: remediate.
Acceptance for this step: backlog = within budget
Exception path
Breaking responses will not be silently parsed using an obsolete schema.
Alternate path. The provider changes shape or rate-limits: raise the incident against the acquisition stage.
satisfiedtriagein reviewimpactblockedremediationproposed
Moves the record and writes evidence. Permission: remediate.
Acceptance for this step: triage = in review
Workflow as specified
CoreSync will compare contracts, run compatibility tests and support controlled coexistence or migration of the affected integration definition.
Evidence written in this session
Nothing run yet in this session. Record state shown above may already satisfy steps from the seeded fixture history.
Journeys that include it
Not part of a composite journey; exercised through its family views.