Secure API-first payment endpoints for indie apps—PCI handled, zero dev compliance work.
Solo fintech founders cannot achieve PCI compliance and implement secure payment processing without a development team.
ApiPayGuard provides ready-to-use API endpoints for payments, subscriptions, and refunds, all PCI-compliant via Stripe proxying. Solo founders integrate with one curl command or JS SDK, getting instant compliance docs and audit logs. Monitor everything in a simple dashboard without touching card data.
Solo fintech founders or indie hackers developing payment apps without dev teams
Drop-in API replacement for custom payment code, auto-generates SAQ-A compliance reports.
professional
REST APIs for charge, authorize, refund with PCI isolation.
Lightweight client SDK for frontend integration.
Auto-generate PCI SAQ-A forms and audit trails.
Test, monitor, and manage API keys and usage.
Built-in recurring billing APIs.
Per-key usage controls and alerts.
Idempotency and metadata support.
CSV downloads of payment data.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| stripe_id | text | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| key_hash | text | No |
| name | text | No |
| usage_limit | int | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| api_key_id | uuid | No |
| stripe_txn_id | text | No |
| type | text | No |
| status | text | No |
| metadata | text | Yes |
| created_at | timestamp | No |
Relationships:
/api/v1/chargeProcess one-time payment
/api/v1/subscribeCreate subscription
/api/keysList user API keys
/api/compliance/report/:keyDownload SAQ-A report
No subscriptions
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 60 | 2% | $36 | $432 |
| Month 6 | 600 | 4% | $720 | $8,640 |
Integrate secure payments with simple API calls—compliance reports included.
Share API docs on Hacker News 'Show HN', target fintech indie hackers on Product Hunt comments, email list from 'solo stripe integration' searches.
Full featured
Dev-heavy compliance
Proxy with auto-reports
Tax handling
Less flexible for custom fintech
API-only, lower cost
Proprietary compliance automation and API usage data for optimizations.
Serverless APIs rising, but solos struggle with PCI in custom backends.
API rate abuse
Built-in limits
Misuse liability
Clear TOS + audits
Success: 30 signups
Success: 10k requests
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