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API reference

A REST API with predictable, resource-oriented URLs, form-encoded requests, and JSON responses. Base URL https://api.ledgerline.dev. Every example below is live against your test key.

Your test keysk_test_…

Authentication

Authenticate with your secret key via HTTP basic auth. Provide the key as the username; no password is needed. Keep sk_live_… keys server-side only.

Invoices

POST/v1/invoices

Create an invoice.

customer_emailstringRecipient email.
line_items[]arraydescription + amount (cents).
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GET/v1/invoices

      
List invoices, newest first. Supports limit.

    

        
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GET/v1/invoices/:id

      
Retrieve a single invoice.

    

        
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POST/v1/payment_links

      
Create a shareable checkout link.

    

        
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GET/v1/payment_links

      
List your payment links.

    

        
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Events

    

      
GET/v1/events

      
List events, newest first. This is the stream the dashboard renders.

    

        
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Eight endpoints power the whole product: create / list / retrieve invoices, create / list payment links, list events, plus the hosted pay + checkout actions. Start with the quickstart →