---
schema_version: "1"
id: 60192cbe83a1460305262f2affa9f3140086db0345c0df6d2d4442cd9aef7ecd
title: Extend TMF637 API
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/industries-integrations/comms/guides/TMF637/extend_tmf637_apis.md
canonical_url: https://developer.salesforce.com/docs/industries/communications/guide/extend_tmf637_apis.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: a78dc893732b80ce87e1eb47c10df374e7ec8bf7e8892eea57ea726f106306ee
products:
  - Communications Cloud TM Forum API
  - Industries Integrations
---
# Extend TMF637 API

You can extend and customize TMF637 Product Inventory Management API by leveraging core components, such as:

- [Integration Procedures](https://developer.salesforce.com/docs/industries/communications/guide/IP/tmf637_integration_procedures.md)
- [Data Raptors](https://developer.salesforce.com/docs/industries/communications/guide/DR/tmf637_data_mappers.md)
- [Apex Interfaces](https://developer.salesforce.com/docs/industries/communications/guide/apex/tmf637_apex_interfaces.md)
- [TMF637 Resource Mappings](https://developer.salesforce.com/docs/industries/communications/Resource_mappings/tmf637_resource_mapping.md)
- [Custom Metadata](https://developer.salesforce.com/docs/industries/communications/guide/tmf637_custom_metadata.md)