---
schema_version: "1"
id: 26826d2026b9438112eb8a501ad3f0b9ec373b0f43c0660f887797da394e9f7b
title: Open CTI Developer Guide Previous PDF Versions
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/service-cloud/api-cti/guides/sforce-api-cti-pdf-archive.md
canonical_url: https://developer.salesforce.com/docs/service/api-cti/guide/sforce-api-cti-pdf-archive.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: ec8449cddd023f722df9b17571fbbb785f3a079789407157adee5bcb38bb55cb
products:
  - Open CTI Developer Guide
  - Service Cloud Developer Content
---
# Open CTI Developer Guide Previous PDF Versions

| API Version | Release    | PDF                                                                                                     |
| ----------- | ---------- | ------------------------------------------------------------------------------------------------------- |
| 67.0        | Summer '26 | [Download PDF](https://resources.docs.salesforce.com/262/latest/en-us/sfdc/pdf/api_cti.pdf) |
| 66.0        | Spring '26 | [Download PDF](https://resources.docs.salesforce.com/260/latest/en-us/sfdc/pdf/api_cti.pdf) |
| 65.0        | Winter '26 | [Download PDF](https://resources.docs.salesforce.com/258/latest/en-us/sfdc/pdf/api_cti.pdf) |
| 64.0        | Summer '25 | [Download PDF](https://resources.docs.salesforce.com/256/latest/en-us/sfdc/pdf/api_cti.pdf) |