# API Drift

Published articles for API Drift.

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## Catching Salesforce Custom Field Drift With the Postman AI Engineer

DevFeed: [Catching Salesforce Custom Field Drift With the Postman AI Engineer](<https://devfeed.tech/articles/catching-salesforce-custom-field-drift-with-the-postman-ai-engineer-12633.md>)

Original publisher: [Read original article](<https://blog.postman.com/catching-three-way-drift-between-your-spec-collection-and-code/>)

Author: Talia Kohan

Published: 2026-09-03T16:00:00Z

Content type: article

Language: en

Sources: [Postman Blog](<https://devfeed.tech/sources/postman-blog.md>)

Topics: [Postman](<https://devfeed.tech/topics/postman.md>), [Claude](<https://devfeed.tech/topics/claude.md>), [Automation](<https://devfeed.tech/topics/automation.md>), [API](<https://devfeed.tech/topics/api.md>), [Front end](<https://devfeed.tech/topics/frontend.md>), [OpenAPI Specification](<https://devfeed.tech/topics/openapi.md>), [GitHub](<https://devfeed.tech/topics/github.md>), [Back end](<https://devfeed.tech/topics/backend.md>), [Pull Request](<https://devfeed.tech/topics/pull-request.md>), [payload](<https://devfeed.tech/topics/payload.md>), [Slack](<https://devfeed.tech/topics/slack.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-automation](<https://devfeed.tech/tags/ai-automation.md>), [api](<https://devfeed.tech/tags/api.md>), [api-drift](<https://devfeed.tech/tags/api-drift.md>), [backend](<https://devfeed.tech/tags/backend.md>), [code](<https://devfeed.tech/tags/code.md>), [frontend](<https://devfeed.tech/tags/frontend.md>), [general](<https://devfeed.tech/tags/general.md>), [github](<https://devfeed.tech/tags/github.md>), [payload](<https://devfeed.tech/tags/payload.md>), [postman-agent-mode](<https://devfeed.tech/tags/postman-agent-mode.md>), [pull-request](<https://devfeed.tech/tags/pull-request.md>), [salesforce](<https://devfeed.tech/tags/salesforce.md>), [slack](<https://devfeed.tech/tags/slack.md>)

### AI overview

This Postman Blog article explains how a Salesforce custom field caused drift between an API collection, frontend code, and an OpenAPI specification. It describes using the Postman AI Engineer to diagnose the failing request and Postman AI Automation to update the affected artifacts and add tests through a GitHub pull request.

### Source excerpt

A Salesforce custom field broke my app. See how Postman Agent Mode found the drift and how a Skill kept it from happening again. The post Catching Salesforce Custom Field Drift With the Postman AI Engineer appeared first on Postman Blog.

## Finding three-way API drift with the AI Engineer

DevFeed: [Finding three-way API drift with the AI Engineer](<https://devfeed.tech/articles/finding-three-way-api-drift-with-the-ai-engineer-12635.md>)

Original publisher: [Read original article](<https://blog.postman.com/finding-three-way-api-drift-with-the-ai-engineer/>)

Author: Talia Kohan

Published: 2026-09-01T16:00:00Z

Content type: article

Language: en

Sources: [Postman Blog](<https://devfeed.tech/sources/postman-blog.md>)

Topics: [API](<https://devfeed.tech/topics/api.md>), [Postman](<https://devfeed.tech/topics/postman.md>), [OpenAPI Specification](<https://devfeed.tech/topics/openapi.md>), [Claude](<https://devfeed.tech/topics/claude.md>), [Tooling](<https://devfeed.tech/topics/tooling.md>), [client](<https://devfeed.tech/topics/client.md>), [servers](<https://devfeed.tech/topics/servers.md>)

Tags: [ai-engineer](<https://devfeed.tech/tags/ai-engineer.md>), [api](<https://devfeed.tech/tags/api.md>), [api-drift](<https://devfeed.tech/tags/api-drift.md>), [apis](<https://devfeed.tech/tags/apis.md>), [ci](<https://devfeed.tech/tags/ci.md>), [fintech](<https://devfeed.tech/tags/fintech.md>), [general](<https://devfeed.tech/tags/general.md>), [openapi](<https://devfeed.tech/tags/openapi.md>), [postman-ai-engineer](<https://devfeed.tech/tags/postman-ai-engineer.md>), [production](<https://devfeed.tech/tags/production.md>), [qa](<https://devfeed.tech/tags/qa.md>)

### AI overview

The article explains how to detect three-way API drift by comparing an OpenAPI specification, the requests in Postman Collections, and the responses returned by a running server. It argues that pairwise checks can miss cases where all three sources disagree, and describes using Postman AI Engineer and the Context Graph to identify these inconsistencies.

### Source excerpt

Find three-way API drift with Postman AI Engineer and the Context Graph. Compares your OpenAPI spec, collection requests, and live server responses. The post Finding three-way API drift with the AI Engineer appeared first on Postman Blog.