BIG Btwentyfour Integration Guideline
BIG (Btwentyfour Integration Guideline) is Btwentyfour’s official technical documentation for message structures, data formats, and integration requirements used across the Btwentyfour platform.
BIG describes the standardized message definitions and field-level specifications used for exchanging data between Btwentyfour and external parties such as suppliers, buyers, and integrated systems.
Access BIG
You can always access the latest version of BIG here:
https://big.btwentyfour.com
This site provides the full message specifications and is continuously updated.
What BIG Covers
BIG includes detailed information such as:
- Data and field definitions
- Message structures (e.g., PRICAT, orders, invoices, logistics messages)
- Validations and required fields
- Mapping rules
- Examples of message formats
- Integration guidelines for EDI‑style message exchange
API Documentation Is Available Elsewhere
If you are looking for API documentation, please note that it is not part of BIG.
Btwentyfour maintains a dedicated developer portal for APIs:
https://api-developer.btwentyfour.com/
This site contains:
- API references
- Authentication details
- Endpoint documentation
- Code examples
- Technical integration guides for API‑related development
Use this site if your integration involves using API endpoints rather than traditional EDI‑style message formats.
Who Should Use BIG vs. the API Developer Portal?
Use BIG if you work with:
- PRICAT master data
- Product/price mapping
- Orders & order confirmations
- Dispatch advice & receiving messages
- Invoice flows
- Structured Btwentyfour message formats
Use the API Developer Portal if you work with:
- REST APIs
- Authentication and tokens
- Real‑time data retrieval
- Custom integration logic
- Programmatic access to Btwentyfour data