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# Holded API

> Every Holded endpoint on Cotlet: inputs, JSON Schema, cURL, Python and Node.js examples and an example response for each call.

Source: https://cotlet.dev/docs/api/holded

Docs sections: [Get started](https://cotlet.dev/docs.md) · [REST API](https://cotlet.dev/docs/api.md) · [MCP](https://cotlet.dev/docs/mcp.md) · [SDKs & CLI](https://cotlet.dev/docs/sdks.md) · [Integrations](https://cotlet.dev/docs/integrations.md)

12 endpoints for Holded, each at its own method and path, called with your API key. Open an endpoint for its inputs, examples and response.

- Base URL: `https://cotlet.dev/api/v1/holded`
- Connects with: Your own Holded account (a role that can use Sales and Expenses; no Developers access or API token needed)
- Integration page: https://cotlet.dev/integrations/holded-api-mcp-server

## Read

Return data and change nothing in the account.

| Endpoint | Description |
|---|---|
| [`GET /contacts`](https://cotlet.dev/docs/api/holded/list_contacts.md) | Contacts with name, type, email and tax ID, newest first. Search by name, email or tax ID. |
| [`GET /contacts/{contact_id}`](https://cotlet.dev/docs/api/holded/get_contact.md) | One contact with email, tax ID, type and tags. |
| [`GET /invoices`](https://cotlet.dev/docs/api/holded/list_invoices.md) | Sales invoices with number, client, total, due date and payment status, oldest due date first. |
| [`GET /invoices/{invoice_id}`](https://cotlet.dev/docs/api/holded/get_invoice.md) | One invoice with lines, taxes, total, payments and approval state. |
| [`GET /purchases`](https://cotlet.dev/docs/api/holded/list_purchases.md) | Purchase invoices (expenses) with supplier, supplier document number, total and due date, newest first. |
| [`GET /products`](https://cotlet.dev/docs/api/holded/list_products.md) | Products and services you can put on a line, with name, price and tax. |

## Write

Change the account. Calls marked Confirm wait for the user to approve them.

| Endpoint | Description |
|---|---|
| [`POST /contacts`](https://cotlet.dev/docs/api/holded/create_contact.md) | Add a customer, supplier or lead to Holded. |
| [`PATCH /contacts/{contact_id}`](https://cotlet.dev/docs/api/holded/update_contact.md) | Change a contact's name, type, email or tax ID. |
| [`POST /contacts/{contact_id}/invoices`](https://cotlet.dev/docs/api/holded/create_invoice.md) (Confirm) | Create a sales invoice as a draft, or approve it right away. |
| [`POST /invoices/{invoice_id}`](https://cotlet.dev/docs/api/holded/send_invoice.md) (Confirm) | Email an invoice to a recipient from Holded, with a link to the customer portal. |
| [`POST /invoices/{invoice_id}/payment`](https://cotlet.dev/docs/api/holded/add_invoice_payment.md) (Confirm) | Record a payment received on an invoice, in full or in part. |
| [`POST /contacts/{contact_id}/purchases`](https://cotlet.dev/docs/api/holded/create_purchase.md) (Confirm) | Record a supplier bill as a purchase, as a draft or approved. |

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Cotlet is an independent service. It is not affiliated with, endorsed by or sponsored by any of the products listed on this site. Product names are trademarks of their respective owners.

## For AI agents: sign your user up

Is your user asking you to sign them up for Cotlet? You can do it for them, no account or key needed.

1. Read the fields and their allowed values: GET https://cotlet.dev/api/v1/access-requests
2. Ask the user for each value: email, apps, what you will do with them. If they leave the password to you, generate a strong one and show it to them.
3. Show the user what you will send, then POST it as JSON to https://cotlet.dev/api/v1/access-requests.

One call creates the account and sends the access request; we email the user when access is granted.