# Source: https://getlago.com/docs/api-reference/invoices/payment-url.md

> ## Documentation Index
> Fetch the complete documentation index at: https://getlago.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Generate a payment URL

> This endpoint generates a checkout link for a specific invoice.



## OpenAPI

````yaml POST /invoices/{lago_id}/payment_url
openapi: 3.1.0
info:
  title: Lago API documentation
  description: >-
    Lago API allows your application to push customer information and metrics
    (events) from your application to the billing application.
  version: 1.41.0
  license:
    name: AGPLv3
    identifier: AGPLv3
  contact:
    email: tech@getlago.com
servers:
  - url: https://api.getlago.com/api/v1
    description: US Lago cluster
  - url: https://api.eu.getlago.com/api/v1
    description: EU Lago cluster
security:
  - bearerAuth: []
tags:
  - name: activity_logs
    description: Everything about Activity logs
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/audit-logs/activity-logs-object
  - name: analytics
    description: Everything about Analytics
  - name: api_logs
    description: Everything about API logs
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/audit-logs/api-logs-object
  - name: billable_metrics
    description: Everything about Billable metric collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/billable-metrics/object
  - name: features
    description: Everything about Feature collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/features/object
  - name: entitlements
    description: Everything about Entitlement collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/entitlements/object
  - name: billing_entities
    description: Everything about Billing Entities
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/billing-entities/object
  - name: customers
    description: Everything about Customer collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/customers/object
  - name: plans
    description: Everything about Plan collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/plans/object
  - name: subscriptions
    description: Everything about Subscription collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/subscriptions/subscription-object
  - name: events
    description: Everything about Event collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/events/event-object
  - name: organizations
    description: Everything about Organization collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/organizations/organization-object
  - name: taxes
    description: Everything about Tax collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/taxes/tax-object
  - name: coupons
    description: Everything about Coupon collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/coupons/coupon-object
  - name: add_ons
    description: Everything about Add-on collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/add-ons/add-on-object
  - name: fees
    description: Everything about Fees
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/invoices/invoice-object#fee-object
  - name: invoices
    description: Everything about Invoice collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/invoices/invoice-object
  - name: wallets
    description: Everything about Wallet collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/wallets/wallet-object
  - name: credit_notes
    description: Everything about Credit notes collection
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/credit-notes/credit-note-object
  - name: webhooks
    description: Everything about Webhooks
    externalDocs:
      description: Find out more
      url: >-
        https://doc.getlago.com/api-reference/webhooks/format---signature#1-retrieve-the-public-key
  - name: webhook_endpoints
    description: Everything about Webhook Endpoints
    externalDocs:
      description: Find out more
      url: >-
        https://doc.getlago.com/api-reference/webhook-endpoints/webhook-endpoint-object
  - name: payment_receipts
    description: Everything about Payment receipts
    externalDocs:
      description: Find out more
      url: >-
        https://doc.getlago.com/api-reference/payment-receipts/payment-receipt-object
  - name: payment_requests
    description: Everything about PaymentRequests
    externalDocs:
      description: Find out more
      url: >-
        https://doc.getlago.com/api-reference/payment-requests/payment-request-object
  - name: payments
    description: Everything about Payments
    externalDocs:
      description: Find out more
      url: https://doc.getlago.com/api-reference/payments/payment-object
externalDocs:
  description: Lago Github
  url: https://github.com/getlago
paths:
  /invoices/{lago_id}/payment_url:
    post:
      tags:
        - invoices
      summary: Generate a payment URL
      description: This endpoint generates a checkout link for a specific invoice.
      operationId: invoicePaymentUrl
      parameters:
        - $ref: '#/components/parameters/lago_invoice_id'
      responses:
        '200':
          description: Payment URL has been generated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvoicePaymentUrl'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
components:
  parameters:
    lago_invoice_id:
      name: lago_id
      in: path
      description: >-
        Unique identifier assigned to the invoice within the Lago application.
        This ID is exclusively created by Lago and serves as a unique identifier
        for the invoice's record within the Lago system.
      required: true
      schema:
        type: string
        format: uuid
        example: 1a901a90-1a90-1a90-1a90-1a901a901a90
  schemas:
    InvoicePaymentUrl:
      type: object
      description: .
      properties:
        invoice_payment_details:
          type: object
          properties:
            lago_customer_id:
              type: string
              example: 1a901a90-1a90-1a90-1a90-1a901a901a90
              description: >-
                Unique identifier assigned to the customer within the Lago
                application. This ID is exclusively created by Lago and serves
                as a unique identifier for the customer's record within the Lago
                system
            lago_invoice_id:
              type: string
              example: 1e501a90-1a90-1a90-1a90-1a901a901a80
              description: >-
                Unique identifier assigned to the invoice within the Lago
                application. This ID is exclusively created by Lago and serves
                as a unique identifier for the invoice's record within the Lago
                system
            external_customer_id:
              type: string
              description: >-
                The customer external unique identifier (provided by your own
                application)
              example: 5eb02857-a71e-4ea2-bcf9-57d3a41bc6ba
            payment_provider:
              type: string
              example: stripe
              description: The Payment Provider name linked to the Customer.
            payment_url:
              type: string
              example: https://foo.bar
              description: The generated Payment URL for the Invoice.
    ApiErrorUnauthorized:
      type: object
      required:
        - status
        - error
      properties:
        status:
          type: integer
          format: int32
          example: 401
        error:
          type: string
          example: Unauthorized
    ApiErrorNotFound:
      type: object
      required:
        - status
        - error
        - code
      properties:
        status:
          type: integer
          format: int32
          example: 404
        error:
          type: string
          example: Not Found
        code:
          type: string
          example: object_not_found
    ApiErrorUnprocessableEntity:
      type: object
      required:
        - status
        - error
        - code
        - error_details
      properties:
        status:
          type: integer
          format: int32
          example: 422
        error:
          type: string
          example: Unprocessable entity
        code:
          type: string
          example: validation_errors
        error_details:
          type: object
  responses:
    Unauthorized:
      description: Unauthorized error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiErrorUnauthorized'
    NotFound:
      description: Not Found error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiErrorNotFound'
    UnprocessableEntity:
      description: Unprocessable entity error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiErrorUnprocessableEntity'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````