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Documentation Index

Fetch the complete documentation index at: https://docs.maesn.com/llms.txt

Use this file to discover all available pages before exploring further.

TARGET_SYSTEM: holded
ReadCreateUpdateDeleteWebhook
Accounts
Async task
Bank accounts
Bills
Bill lines
Booking proposals
Contacts
Customers
Credit notes
Dimensions
Expenses
Files
Fiscal years
Goods receipts
Goods receipt lines
Invoices
Invoice lines
Items
Journals
Journal entries
Offers
Offer lines
Open items
Payments
Payment terms
Projects
Purchase orders
Purchase order lines
Sales orders
Sales order lines
Suppliers
Tax rates
Transactions
Trial balance
Units
Users
Vendor credits
= Supported by Maesn
= On demand - contact us
= Not supported by Holded

​
How to connect to Holded

As a customer of Holded, you can easily retrieve the API key used for connecting to your Holded accounting data.
1

Prerequisites

Before you begin, make sure you have the following:
  • A Holded account with administrator permissions to generate and retrieve the Personal Access Token.
2

Retrieve the API key

To generate and retrieve your API key, follow these steps:
  • Log in to your Holded account using your credentials.
  • Navigate to: Developer Settings by clicking the link, or by going to your user profile and clicking Settings > More > Developers.
  • Click New API Key, provide a description for the key, and click Save to generate it.
3

maesn Connect setup

Paste your Api Key in to the ‘API key’ field in maesn Connect and press ‘submit’. If the token is valid, the connection will be established and a success message will be displayed.You can also use the create account endpoint for this.Your Holded account is now connected!
Last modified on May 19, 2026