Generating documentation from collections in Postman - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a Postman collection?

A Postman collection is a group of saved API requests organized into folders. It helps testers run and share API tests easily.

beginner

Why generate documentation from a Postman collection?

Generating documentation helps share API details clearly with others. It shows endpoints, parameters, and examples without needing to run the API.

beginner

How do you start generating documentation from a Postman collection?

Open your collection in Postman, click the '...' menu next to the collection name, then select 'Publish Docs' or 'View Documentation'.

intermediate

What details are included in generated Postman documentation?

It includes request URLs, methods (GET, POST, etc.), headers, body data, descriptions, and example responses.

intermediate

How can you keep your Postman documentation up to date?

Update your collection with new requests or changes, then republish the documentation to reflect the latest API details.

What is the first step to generate documentation from a Postman collection?

A Run all tests in the collection

B Open the collection and select 'Publish Docs'

C Export the collection as JSON

D Create a new environment

You start by opening the collection and selecting 'Publish Docs' to generate documentation.

Which of these is NOT typically included in Postman generated documentation?

A User login credentials

B Example responses

C Request URL and method

D Request headers

User login credentials are sensitive and not included in documentation.

How can you share your Postman documentation with others?

A By exporting the collection as a PDF

B By emailing the Postman app

C By publishing the documentation and sharing the URL

D By printing the collection

Publishing the documentation creates a URL that you can share with others.

What happens if you update your collection after publishing documentation?

A You must republish the documentation to see changes

B Postman sends an email notification

C The old documentation is deleted

D Documentation updates automatically

You need to republish the documentation to reflect any updates.

Which Postman feature helps organize API requests before generating documentation?

A Environments

B Workspaces

C Monitors

D Collections and folders

Collections and folders organize requests for easier documentation.

Explain the process of generating documentation from a Postman collection.

Think about the steps you take inside Postman to create and share docs.

Why is it important to keep your Postman documentation updated?

Consider what happens if documentation is old or wrong.

Practice

1. What is the main benefit of generating documentation from Postman collections?

easy

A. It only works for public APIs, not private ones.

B. It requires manual writing of all API details.

C. It saves time and reduces errors by automating documentation.

D. It replaces the need for testing APIs.

Solution

1. Step 1: Understand the purpose of documentation generation

   Generating docs from collections automates the process, reducing manual work and mistakes.

2. Step 2: Compare options with this purpose

   Only It saves time and reduces errors by automating documentation. correctly states the benefit of saving time and reducing errors.

3. Final Answer:

   It saves time and reduces errors by automating documentation. -> Option C

4. Quick Check:

   Automation saves time and errors [OK]

Hint: Remember: automation reduces manual errors and saves time [OK]

Common Mistakes:

• Thinking documentation must be written manually
• Believing docs replace API testing
• Assuming docs only work for public APIs

2. Which Postman feature allows you to add explanations to each API request for better documentation?

easy

A. Pre-request scripts

B. Environment variables

C. Test scripts

D. Request descriptions

Solution

1. Step 1: Identify how to add explanations in Postman

   Request descriptions let you write notes or explanations for each API request.

2. Step 2: Match options to this feature

   Only 'Request descriptions' directly relate to adding explanations for documentation.

3. Final Answer:

   Request descriptions -> Option D

4. Quick Check:

   Descriptions explain requests [OK]

Hint: Descriptions add notes to requests for docs [OK]

Common Mistakes:

• Confusing test scripts with documentation notes
• Using environment variables for explanations
• Thinking pre-request scripts add descriptions

3. Given a Postman collection with detailed request descriptions, what will happen when you generate documentation from it?

medium

A. The documentation will include the request descriptions automatically.

B. Descriptions must be added manually after generating docs.

C. Only request names appear; descriptions are ignored.

D. Documentation cannot be generated from collections.

Solution

1. Step 1: Understand how Postman uses request descriptions

   Postman includes request descriptions automatically in generated documentation.

2. Step 2: Evaluate each option

   The documentation will include the request descriptions automatically. correctly states that descriptions appear automatically; others are incorrect.

3. Final Answer:

   The documentation will include the request descriptions automatically. -> Option A

4. Quick Check:

   Descriptions auto-included in docs [OK]

Hint: Descriptions appear automatically in generated docs [OK]

Common Mistakes:

• Assuming manual addition of descriptions after generation
• Thinking descriptions are ignored
• Believing docs can't be generated from collections

4. You tried to publish documentation from a Postman collection, but the descriptions are missing. What is the most likely cause?

medium

A. Descriptions were not added to the requests before publishing.

B. The collection was not saved before publishing.

C. Postman does not support publishing documentation.

D. You need to write descriptions in test scripts.

Solution

1. Step 1: Identify why descriptions might be missing

   If descriptions are missing, likely they were never added to requests.

2. Step 2: Check other options for correctness

   Saving collection is important but usually does not remove descriptions; Postman supports publishing; test scripts do not hold descriptions.

3. Final Answer:

   Descriptions were not added to the requests before publishing. -> Option A

4. Quick Check:

   Missing descriptions mean none were added [OK]

Hint: Add descriptions before publishing docs [OK]

Common Mistakes:

• Forgetting to add descriptions before publishing
• Confusing test scripts with descriptions
• Thinking Postman can't publish docs

5. You want to share your API documentation with your team and keep it updated automatically when the collection changes. What is the best way to do this in Postman?

hard

A. Export the collection as JSON and email it to the team.

B. Publish the documentation from the collection and share the published link.

C. Copy and paste the collection details into a Word document.

D. Take screenshots of the collection and share images.

Solution

1. Step 1: Identify how to share and keep docs updated

   Publishing documentation creates a live link that updates automatically with collection changes.

2. Step 2: Evaluate other options

   Exporting JSON or copying details are manual and do not update automatically; screenshots are static.

3. Final Answer:

   Publish the documentation from the collection and share the published link. -> Option B

4. Quick Check:

   Published docs auto-update and share easily [OK]

Hint: Use published docs link for auto-updated sharing [OK]

Common Mistakes:

• Sharing static files instead of live docs
• Assuming exported JSON is readable documentation
• Using screenshots which do not update