Spec-first design
OpenAPI, SOAP, gRPC, and async patterns drafted, reviewed, and approved in one place — the same place they ship from.
Platform teams · Lifecycle
Design, ship, version, retire — without leaving the platform.
From OpenAPI draft to production cutover, every API lives on one timeline. Platform teams hand engineers a clean lane and hand auditors a clean trail.
The problem
Most teams don't have an API lifecycle. They have a wiki and a Slack channel.
Specs land in Confluence. Deploys live in someone's terminal history. Versioning is a vibe. When the audit team asks who changed the rate limit on Wednesday at 14:32, no one can answer. Apinizer turns the lifecycle into a system — one engineers prefer and auditors trust.
- 340
APIs
managed on one platform
- 92
legacy SOAPs
retired on schedule
- 3 days
review cycle
down from 2 weeks
Capabilities
What Apinizer does here
One-click promotion
Move a definition from dev to test to production without touching the runtime. Promotion is a button, not a meeting.
Versioning side-by-side
Run two versions of the same endpoint at the same time. Partners migrate at their own pace; you don't break anyone's Monday.
Deprecation with hard cutoff
Mark an endpoint deprecated, set the sunset date, broadcast it to consumers, and the gateway shuts the door when the clock hits zero.
Audit at the persistence layer
Every change — who, what, when, from which IP — written immutably. Auditor evidence is a query, not a forensic project.
Programmatic apply
APIops manifests with name-based references and idempotent applies. Engineers ship from the same Git they already use.
Use cases
In production, this looks like…
- Banking
A Tier-1 retail bank in Istanbul consolidates 340 APIs
92 legacy SOAP endpoints retired on a published schedule. Spec reviews moved from Confluence to the gateway; deprecation notices reach partners 90 days before sunset.
92 endpoints retired
- Manufacturing
Munich automotive OEM standardizes spec-first across 14 plant teams
Plant integrations land as OpenAPI drafts in the platform first. Promotion to production needs a sign-off from quality + security — both wired into the gateway.
- E-commerce
Amsterdam marketplace replaces a wiki-driven process with one timeline
Pre-release reviews drop from two weeks to three days. Every version is queryable, side-by-side, with traffic counts and consumer breakdowns.
Review 2w → 3d
- Public sector
Stockholm regional health agency promotes specs across three environments
Dev → test → prod in one command. The compliance officer signs the same manifest engineers pushed — no parallel paperwork.
- Logistics
Warsaw 3PL ships versions side-by-side for hundreds of partners
v2024-q1 and v2024-q3 served simultaneously. Partners migrate on their own clock; the gateway tracks who's still on v1 and reaches out programmatically.
- Insurance
Milan insurer enforces 130 endpoint sunsets on a published calendar
Deprecation headers reach consumers 90 days out; the gateway returns a clear 410 with migration instructions on cutover day. Audit thanked the platform team.
130 endpoints, 0 surprises
- Energy
Baku utility binds every spec change to a ticket ID
The audit trail joins specs to issues to deploys. The regulator's quarterly evidence packet is a single export, generated overnight.
- Telecom
Athens carrier ships API-as-code manifests via GitOps
Daily deploys without an after-hours call. Same manifests power dev, test, and prod — environments differ only in the variables, not the definitions.
How it works
Four stages, one timeline, one source of truth.
Each stage runs on the same platform — no exports, no parallel tooling, no hand-offs that lose history.
- Step 01
Design
Draft the OpenAPI / SOAP / async contract in the platform. Reviewers approve in place; the spec is the source of truth.
- Step 02
Ship
Promote to staging with one click — or one APIops apply. The gateway picks up the new definition without a restart.
- Step 03
Govern
Add policies — auth, rate limits, transforms, versions — and watch real traffic in Analytics. Change anything; audit captures it.
- Step 04
Retire
Mark deprecated, set a sunset date, broadcast headers to consumers. On cutover, the gateway closes the door — and the auditor has the receipt.
Recommended products
What we'd reach for first
API Designer
Spec-first authoring for OpenAPI, SOAP, and async patterns — the place every API starts.
Open the Designer pageAPI Gateway
The runtime that enforces every version, header, rate limit, and sunset date you ship.
Open the Gateway pageAnalytics Engine
Real-time evidence of what every version is doing — who's still on v1, who's drifted to v3.
Open the Analytics pageAI Gateway
Same lifecycle for LLM and agent endpoints. AI is just another version of the API.
Open the AI Gateway pageResources
Keep going
API lifecycle in Apinizer
How the platform handles design, promotion, versioning, and deprecation end-to-end.
Architecture overview
Where the lifecycle lives on Kubernetes — Manager, Worker, and the audit plane.
APIops manifests
Git-driven applies with name-based references, idempotent semantics, and the same audit aspect as the UI.
Changelog
Recent lifecycle features — deprecation headers, version selectors, audit exports.
API Designer
OpenAPI-first design with one-click proxy generation across protocols.
Audit & compliance posture
How Apinizer maps to BDDK, KVKK, GDPR, and ISO 27001 evidence requirements.
Stop versioning APIs in a wiki
One timeline. From draft to sunset.
A 30-minute walkthrough — design, promote, version, retire — on a Kubernetes cluster of your choice.