Developer Documentation
Integrate with the KidCash API to build custom apps, automations, and integrations.
Base URL
https://www.kidcashapp.com/api/v1All endpoints require a Bearer token unless noted otherwise. Get your API key from Settings → Developer Mode → API Keys.
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MCP for AI assistants — new
Use KidCash directly from Claude, Cursor, Windsurf, and other MCP-compatible clients.
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Authentication
API keys, Bearer tokens, and auth flow
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Kids API
Create, read, update, and delete kids
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Transactions API
Add, subtract, and list transactions
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QR Bills API
Create, redeem, and manage printable bills
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Allowances & Interest
Process recurring payments and interest
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Webhooks & Events
Real-time notifications for transactions
Quick Start
1. Go to Settings → Developer Mode (toggle it on)
2. Create an API key under API Keys
3. Use the key as a Bearer token in your requests:
curl -H "Authorization: Bearer YOUR_API_KEY" \ https://www.kidcashapp.com/api/v1/kids
4. Explore the endpoints below to manage kids, transactions, and bills.