---
schema_version: "1"
id: bf84896e861b51e2de1bcf0c967586529f0d34fc4cbe326250a724f8fd1e272f
title: Resolve Token API Specification
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_overview_resolve_token_api_specification.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_overview_resolve_token_api_specification.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: d802101356e36b1b1f242d83c86be4bc041380dd2a1c3d2c4693f30254b42463
description: Marketing Cloud Engagement performs an HTTP POST to the URL that authenticates your sends. Your remote server replies in the specified format, allowing Engagement to parse and send to resolved email addresses or phone numbers.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Resolve Token API Specification

Marketing Cloud Engagement performs an HTTP POST to the URL that authenticates your sends. Your remote server replies in the specified format, allowing Engagement to parse and send to resolved email addresses or phone numbers.

- **[Version 2](https://help.salesforce.com/s/articleView?id=mktg.mc_overview_ts_resolve_token_api_v2.htm&release=264.0.0&type=5)**  
    Review this information when implemented a Resolve Token API for Tokenized Sending in Marketing Cloud Engagement.
- **[Version 1](https://help.salesforce.com/s/articleView?id=mktg.mc_overview_ts_resolve_token_api_v1.htm&release=264.0.0&type=5)**  
    Review this information when implemented a Resolve Token API for Tokenized Sending in Marketing Cloud Engagement. New users must use Version 2 of the specifications. Version 1 information is a reference for users with existing implementations.
- **[HTTP Response Codes](https://help.salesforce.com/s/articleView?id=mktg.mc_overview_http_response_codes.htm&release=264.0.0&type=5)**  
    The statusCode property handles and sets all HTTP response codes.