API Documentation
Build custom integrations and automate workflows with our comprehensive REST API
Getting Started
Quick start guides and setup instructions
- API Overview
Introduction to the SpendCrust API
- Authentication
How to authenticate API requests
- Rate Limits
Understanding API rate limits
Core APIs
Essential APIs for cards, expenses, and transactions
- Cards API
Create and manage corporate cards
- Transactions API
Retrieve and filter transactions
- Expenses API
Submit and manage expenses
- Bill Pay API
Automate vendor payments
Webhooks
Real-time event notifications
- Webhook Setup
Configure webhooks for your application
- Event Types
Available webhook events
- Security
Webhook signature verification
SDKs & Libraries
Official SDKs and code examples
- JavaScript SDK
Node.js and browser support
- Python SDK
Python client library
- Code Examples
Sample code and tutorials
Need help with integration?
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