Agentic modernization, delivered. Accurate, complete, on time.
API-First Architecture Services: Business Logic From Frontend to Backend
Delivered as a scoped project — not a tool your team has to adopt.
Swimm delivers API-first architecture as a service — a scoped engagement, not a platform you license. We turn business logic embedded across your frontend and backend into reusable services that support healthy product evolution around one source of truth. Swimm is a product-enabled service company. We combine deterministic analysis for accuracy, AI for scale, and SMEs to catch what tools miss.
The problem
Business logic doesn't stay where you put it
Business logic doesn't stay where you put it — and that's the problem.
01
Logic duplicated across frontend and backend. The same rule gets implemented twice, drifts twice, and gets fixed twice — if anyone remembers both places.
02
Every change touches everything. Without a clean boundary, a small product update turns into a multi-team change request.
03
No single source of truth. When the same business rule can live in three services and a frontend component, nobody can say with confidence which one is correct.
04
In-house extraction attempts stall. Teams start the API-first migration, hit the first undocumented dependency, and the project quietly drops off the roadmap.
How it works
Three layers, working together
01 · Deterministic
Deterministic analysis establishes ground truth
Our proprietary engine maps dependencies, entry points, data flows, dead code, and cross-repo relationships — output you can trust before making changes.
02 · AI
AI coordinates context at scale
AI agents apply verified patterns across the codebase at scale, anchored in that static analysis.
03 · SME
SMEs validate before it ships
SMEs validate everything that ships, adding the know-how that only lives in people's heads and catching what automated tools can't. Nothing "AI-best-effort" goes out the door.
Deterministic → AI → SME
A staged engagement
01
Assessment
A snapshot of the current architecture and a scoped plan.
02
Specification
Extracts the rules, flows, and system behavior your team needs to change code safely.
03
Modernization
Executes the scoped change — the APIs and services themselves — with visible progress throughout.
04
Enablement
Hands off playbooks, training, and test suites so your team can keep evolving the architecture independently.
A workspace, not a stack of files
Every deliverable lives in one place. Yours to keep, queryable by your tools.
Delivered change
- Extracted services and APIs
- Refactored web and mobile clients
- API contracts and schemas
- One source of truth for business logic
System understanding
- Logic distribution map
- Architecture and dependency maps
- Dead-code and duplication analysis
- Critical flow documentation
- Queryable by MCP
Enablement assets
- Parity test suite
- Extraction playbooks
- Team training
- Queryable knowledge base
Proof
Validation evidence, not claims
Works with the tools you've already chosen
Methodology built and led by Swimm's founders — Oren, CEO · Gilad, CTO. Every deliverable ships with validation evidence.
Frequently asked questions
Is API-first architecture from Swimm a product or a service?
It’s a scoped engagement delivered by Swimm’s team, not a platform you license. Our product powers the analysis and the scale — but what you’re buying is the outcome: extracted, working APIs, delivered and validated.
How does Swimm find business logic buried in the frontend?
Our deterministic engine maps entry points, data flows, and cross-repo relationships before any code changes — so we know where logic actually lives, not just where it’s supposed to live, and that map is validated before extraction starts.
What do we receive at the end of an API-first engagement?
The shipped APIs and services themselves, plus the system understanding behind them — dependency maps, documented flows, and extracted business logic — along with playbooks and training so your team can maintain what we built.
How is an API-first architecture project scoped and priced?
As a staged engagement — Assessment, Specification, Modernization, Enablement — each at a fixed price, with validation evidence delivered at every step so you always know what you’re paying for next.
Does our team need to adopt new software to work with Swimm?
No. Everything is delivered through a live customer workspace, not scattered files or a tool your team has to learn — the deliverable is the architecture change itself.
Business logic from frontend to backend — delivered
30 minutes. We'll talk through your codebase and whether API-first extraction is the right first move.
Talk directly to our founders: Oren, CEO · oren@swimm.io — Gilad, CTO · gilad@swimm.io