# eAccounting Documentation > This is a description for Visma eAccounting API. Append .md to any documentation page URL to get its markdown version. ## Guides - [Let's get started](https://developer.vismaonline.com/docs/spiris-eaccounting-api-documentation.md): Welcome! This guide is designed to help you to quickly find the most relevant parts of our documentation of the API's to Bookkeeping & Invoicing/eAccounting and Payroll. - [Sandbox FAQ](https://developer.vismaonline.com/docs/sandbox-faq.md): Here are more details about sandbox companies and how to use them to test code as you develop. - [Environments](https://developer.vismaonline.com/docs/environments.md) - [Authentication](https://developer.vismaonline.com/docs/authentication.md): Give me access! - [Error Codes](https://developer.vismaonline.com/docs/error-codes-copy.md) - [Query Customization](https://developer.vismaonline.com/docs/query-customization-copy.md) - [Pagination](https://developer.vismaonline.com/docs/pagination-copy.md) - [Filtering](https://developer.vismaonline.com/docs/filtering-copy.md) - [Selecting](https://developer.vismaonline.com/docs/selecting-copy.md) - [Sorting](https://developer.vismaonline.com/docs/sorting-copy.md) - [Rate Limits](https://developer.vismaonline.com/docs/rate-limits-copy.md) - [Error Handling](https://developer.vismaonline.com/docs/error-handling-copy.md) - [Bookkeeping & Invoicing/eAccounting Error Codes](https://developer.vismaonline.com/docs/error-codes-copy-1.md) - [Versioning](https://developer.vismaonline.com/docs/versioning-copy.md) - [Spiris MCP Server](https://developer.vismaonline.com/docs/spiris-mcp-server.md) - [API Changelog](https://developer.vismaonline.com/docs/api-changelog.md) - [API Status Page](https://developer.vismaonline.com/docs/api-health-check.md) - [FAQ Bookkeeping & Invoicing](https://developer.vismaonline.com/docs/faq-bookkeeping-invoicing.md): This FAQ helps you understand key workflows and concepts in Bookkeeping & Invoicing/eAccounting, answering common questions to support smooth API integration. - [Invoice Payments](https://developer.vismaonline.com/docs/invoice-payments.md) - [Autoinvoice & emailing for customer invoices](https://developer.vismaonline.com/docs/customer-invoices-faq.md) - [Updating the Opening Balance](https://developer.vismaonline.com/docs/updating-the-opening-balance.md) - [Overview Payroll](https://developer.vismaonline.com/docs/overview-visma-lön-smart.md) - [Enums](https://developer.vismaonline.com/docs/enums.md) - [Endpoints - Explanation](https://developer.vismaonline.com/docs/endpoints-explanation.md) ## Changelog - [Payroll API news](https://developer.vismaonline.com/changelog/payroll-api-news.md) - [Bookkeeping & Invoicing/eAccounting API news](https://developer.vismaonline.com/changelog/bookkeeping-invoicingeaccounting-api-news-6.md) - [Bookkeeping & Invoicing/eAccounting API news](https://developer.vismaonline.com/changelog/bookkeeping-invoicingeaccounting-api-news-5.md) - [Bookkeeping & Invoicing/eAccounting API news](https://developer.vismaonline.com/changelog/bookkeeping-invoicingeaccounting-api-news-4.md) - [Bookkeeping & Invoicing/eAccounting API news](https://developer.vismaonline.com/changelog/bookkeeping-invoicingeaccounting-api-news-3.md) - [Bookkeeping & Invoicing/eAccounting API News](https://developer.vismaonline.com/changelog/bookkeeping-invoicingeaccounting-api-news-1.md) - [Bookkeeping & Invoicing/eAccounting API news](https://developer.vismaonline.com/changelog/bookkeeping-invoicingeaccounting-api-news.md) - [We've changed our name — Visma Spcs is now Spiris](https://developer.vismaonline.com/changelog/weve-changed-our-name-visma-spcs-is-now-spiris.md) - [Bookkeeping & Invoicing/eAccounting API news](https://developer.vismaonline.com/changelog/visma-eaccounting-api-news-2.md) - [Bookkeeping & Invoicing/eAccounting API news](https://developer.vismaonline.com/changelog/visma-eaccounting-api-news-3.md)