Serverless backend proxy for Plaid and 5+ banking APIs—launch your finance app today.
Solo founders building personal finance apps struggle to integrate multiple banking APIs like Plaid without backend expertise.
FinanceProxy acts as your drop-in backend, handling auth, webhooks, and data normalization for Plaid, Yodlee, and more. Connect via simple HTTP calls from your frontend; we manage scaling, security, and retries. Ideal for solo founders shipping MVPs fast without infra headaches.
Solo founders building personal finance apps without backend expertise
Multi-API unification with normalized schemas, reducing integration time from weeks to hours.
professional
Unified /transactions GET/POST for any supported bank.
Auto-forwards bank webhooks to your app URL.
Standardized transaction objects across APIs.
Monitor API calls, errors, and costs.
One-click link to Plaid/Yodlee/etc. via dashboard.
Built-in limits to prevent abuse.
Redis cache for frequent queries.
Automatic retries for failed syncs.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| proxy_url | text | Yes |
| created_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| api_type | text | No |
| api_key | text | Yes |
| usage_count | int | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| proxy_id | uuid | No |
| amount | int | No |
| description | text | Yes |
| synced_at | timestamp | No |
Relationships:
/api/transactionsFetch normalized transactions
/api/linkInitiate bank link
/api/webhooksReceive and forward bank webhooks
/api/usageGet usage stats
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 150 | 3% | $90 | $1,080 |
| Month 6 | 1,000 | 6% | $1,200 | $14,400 |
Proxy Plaid + more with normalized data. No infra, just HTTP calls.
Share API docs on Hacker News 'Ask HN', email list from Gumroad finance templates buyers, free tier to r/personalfinance app builders.
Workflows
Not finance-focused
Finance-specific normalization + proxy
Normalized data moat from multi-API training.
Explosion of fintech no-coders post-ChatGPT.
Low adoption by backend-savvy devs
Target no-coders explicitly
API rate limits
Caching + queuing
Success: 20 emails
Success: 50 upvotes
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