Auto-generate secure API adapters to fuse AI into your legacy systems in minutes.
Enterprise teams struggle with integrating AI tools into legacy systems, causing massive delays and frustration in deployment.
LegacyFuse scans your legacy system's API specs and auto-generates boilerplate code for integrating AI models like GPT or Claude. It handles authentication, data mapping, and error handling out-of-the-box. Deploy adapters instantly to slash integration time from weeks to hours.
Enterprise IT and development teams managing legacy systems
AI-powered code generation tailored for enterprise legacy stacks, unlike generic low-code tools that require heavy customization.
professional
Upload OpenAPI/Swagger specs or connect repo to auto-detect endpoints.
Generate SDK code in Python/Node.js for AI API calls from legacy endpoints.
AI-assisted mapping of legacy data schemas to AI input/output formats.
Embed enterprise auth like OAuth/SAML into generated adapters.
Built-in sandbox to test adapters without touching prod systems.
Track and diff adapter versions with Git integration.
Real-time logs and performance metrics for deployed adapters.
Switch between 10+ AI providers seamlessly.
Deploy to AWS Lambda or Kubernetes.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| created_at | timestamp | No |
| Column | Type | Nullable |
|---|---|---|
| id | uuid | Yes |
| name | text | Yes |
| user_id | uuid | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | Yes |
| name | text | Yes |
| org_id | uuid | Yes |
| spec_url | text | Yes |
| generated_code | text | Yes |
| ai_provider | text | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | Yes |
| adapter_id | uuid | Yes |
| status | text | Yes |
| results | jsonb | Yes |
Relationships:
/api/adaptersGenerate new adapter
/api/adapters/:idFetch adapter details
/api/scansScan API spec
/api/tests/:adapterIdRun test simulation
/api/orgsList user orgs
No custom auth
Team up to 5
Custom limits
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 200 | 2% | $100 | $1,200 |
| Month 6 | 1,200 | 5% | $1,500 | $18,000 |
Generate production-ready adapters in minutes – no more integration nightmares.
Post in r/enterpriseit and LinkedIn groups for legacy system admins; offer free Enterprise tier for beta feedback; DM 20 contacts from Gartner reports on legacy modernization.
No-code ease
Poor legacy protocol support
Code-gen for custom enterprise needs
Internal tools
Not AI-focused
AI-specific adapters
Proprietary dataset of generated adapters improving AI code gen over time
AI adoption exploding while 70% enterprises run legacy COBOL/mainframes needing urgent modernization
Complex legacy spec parsing fails
Support common formats first, user feedback loop
Enterprises slow to adopt
Free tier + case studies
Overrun build time
MVP scope tight
Success: 5 express interest
Success: 2 paid conversions
Success: 500 signups
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