Dear Lago Community, 👋

We’re writing to inform you of upcoming changes in the Lago API that may impact your workflows.

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TLDR;

Deprecation on November 12, 2025 of:

  • PUT /organization endpoint
  • applied_to_organization field in POST /taxes
  • applied_to_organization field in PUT /taxes

If you’re using a version below v1.20.0, please first follow the migration steps for v1.20.0, then for v1.25.0, then for v1.28.1. Only after completing those should you proceed to v1.29.0.

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Why are we doing this?

In our efforts to improve Lago’s scalability and flexibility, we’re updating our API to streamline feature delivery and maintain relevant endpoints. This sets the stage for supporting multiple billing entities within a single Lago account.

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Timeline

We will maintain the current API logic until November 12, 2025. However, after this date, previous versions will no longer be supported. We kindly ask you to update your integration before that day to avoid any potential breaking change.

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What are the changes

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1. From PUT /organization to PUT /billing_entities/{code}

Impact:

  • Introducing PUT /billing_entities/{code}
  • Deprecating PUT /organization

In the initiative of supporting multiple billing entities within a single Lago account, the organization object won’t carry any invoicing settings and information. To update them you’ll have to target the PUT /billing_entities/{code}.

{
-  "organization": {
-    "webhook_url": "https://webhook.brex.com",
-    "country": "US",
-    "address_line1": "100 Brex Street",
-    "address_line2": null,
-    "state": "NYC",
-    "zipcode": "10000",
-    "email": "brex@brex.com",
-    "city": "New York",
-    "legal_name": null,
-    "legal_number": null,
-    "net_payment_term": 30,
-    "tax_identification_number": "US123456789",
-    "timezone": "America/New_York",
-    "default_currency": "USD",
-    "document_numbering": "per_customer",
-    "document_number_prefix": "LAGO-INV",
-    "email_settings": [
-      "invoice.finalized",
-      "credit_note.created"
-    ],
-    "billing_configuration": {
-      "invoice_footer": "This is my customer footer",
-      "invoice_grace_period": 3,
-      "document_locale": "en",
-      "vat_rate": 12.5
-    }
-  }
}

{
+  "billing_entity": {
+    "country": "US",
+    "address_line1": "100 Brex Street",
+    "address_line2": null,
+    "state": "NYC",
+    "zipcode": "10000",
+    "email": "brex@brex.com",
+    "city": "New York",
+    "legal_name": null,
+    "legal_number": null,
+    "net_payment_term": 30,
+    "tax_identification_number": "US123456789",
+    "timezone": "America/New_York",
+    "default_currency": "USD",
+    "document_numbering": "per_customer",
+    "document_number_prefix": "LAGO-INV",
+    "email_settings": ["invoice.finalized", "credit_note.created"],
+    "invoice_footer": "This is my customer footer",
+    "invoice_grace_period": 3,
+    "document_locale": "en",
+    "tax_codes": []
  }
}

​
2. From applied_to_organization field in POST|PUT /taxes to PUT /billing_entities/{code}

Impact:

  • Introducing PUT /billing_entities/{code}
  • Deprecating applied_to_organization in POST /taxes and PUT /taxes

In the initiative of supporting multiple billing entities within a single Lago account, the organization object won’t carry any invoicing settings and information. You won’t be able to apply a tax to the organization anymore, you’ll have to add these values to a targeted billing entity using PUT /billing_entities/{code}.

{
  "tax": {
    "lago_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
    "name": "TVA",
    "code": "french_standard_vat",
    "description": "French standard VAT",
    "rate": 20,
-   "applied_to_organization": true,
    "created_at": "2023-07-06T14:35:58Z"
  }
}

{
	"billing_entity": {
	  "country": "US",
	  "address_line1": "100 Brex Street",
	  "address_line2": null,
	  "state": "NYC",
	  "zipcode": "10000",
	  "email": "brex@brex.com",
	  "city": "New York",
	  "legal_name": null,
	  "legal_number": null,
	  "net_payment_term": 30,
	  "tax_identification_number": "US123456789",
	  "timezone": "America/New_York",
	  "default_currency": "USD",
	  "document_numbering": "per_customer",
	  "document_number_prefix": "LAGO-INV",
	  "email_settings": ["invoice.finalized", "credit_note.created"],
	  "invoice_footer": "This is my customer footer",
	  "invoice_grace_period": 3,
	  "document_locale": "en",
+	  "tax_codes": []
	}
}

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Get involved

Your feedback is important to us. If you have any questions, encounter issues, or have suggestions, please reach out to us via the Slack community.

We understand that breaking changes may require you to adapt, so we apologize for any inconvenience caused. Our team is committed to providing support throughout this transition process to minimize disruptions.

Thanks for your understanding and continued support.

The Lago Team