REST API Reference: Bitrix24 tools and methods
If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the MCP server so that the assistant can utilize the official REST documentation.
Using the REST API, an application works with Bitrix24 tools. For example, it can create a deal in the CRM, retrieve a task, upload a file to Drive, process a data change event, or embed a widget into a card.
Quick links: all reference sections
How to use the reference
Start with what is already known: what data the application should retrieve or change, which method needs to be called, or which permissions to grant.
For example, to work with customers, open CRM. It contains methods for leads, deals, contacts, companies, and other CRM objects. For tasks, the Tasks section is suitable; for files, use Drive; for online store orders, use Online store.
If you know the name of a method, look for it in the relevant section or via search. From the names of many methods, you can understand which object the method works with and what action it performs: crm.deal.add creates a deal, tasks.task.get retrieves a task, disk.file.get retrieves a file.
If the name of the required method is unknown, open the reference sections overview and choose the appropriate section. The section page contains a list of methods and links to related materials.
Check the application permissions in the Method scopes section. A scope determines which groups of methods an application can access via the REST API. It is specified when configuring application permissions.
A scope does not grant access to all data by itself. The application will only see the data that the user executing the request has access to.
What information is on the method pages
Method pages help prepare individual requests. They specify what action the method performs, which parameters to pass, and what response the server will return.
They do not describe a complete workflow. If you need to solve a task entirely, start with the tool's overview page or check the Tutorials.
Reference sections overview
REST API basics
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Section |
Description |
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Basic types, date formats, files, and complex parameters |
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Application permissions to method groups |
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System methods, application settings, users, and common events |
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Registration, deletion, and processing of REST API events |
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Methods and rules of the new REST API version |
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Methods to support existing integrations |
Sales and customers
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Section |
Description |
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Leads, deals, contacts, companies, SPAs, and related objects |
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Orders, cart, payments, shipments, cash registers, and store events |
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Products, offers, prices, warehouses, and warehouse documents |
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Payment processors and payment settings |
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Documents, templates, numbering, and roles |
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Electronic document signing |
Automation and company operations
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Section |
Description |
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Templates, tasks, robots, and business process actions |
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Tasks, checklists, comments, templates, stages, and flows |
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Workgroups, projects, participants, and scrum |
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Calendars, events, and resources |
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Company departments |
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Working time, schedules, and time control |
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Users and user fields |
Communications
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Section |
Description |
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Chats, messages, files, users, and notifications |
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Chatbots, commands, messages, and bot events |
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Open Channels, sessions, operators, chats, and connectors |
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Telephony, calls, and Voximplant lines |
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Messaging providers and SMS providers |
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News, comments, and feed events |
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Email services |
Data, files, and content
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Section |
Description |
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Files, folders, data store, versions, and permissions |
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File transfer formats in REST API |
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Data store and application data items |
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Lists, sections, fields, and items |
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Sites, pages, blocks, templates, and permissions |
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Resources, bookings, waiting lists, clients, and events |
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Surveys and polls |
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User agreements |
Platform capabilities
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Section |
Description |
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Application interface embedding points in Bitrix24 |
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Sources, connectors, and BI analytics datasets |
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Bitrix24 AI capabilities |
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Vibe widgets and interactive items |