Importing and exporting 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 together. It helps testers run and share API tests easily.

beginner

How do you import a collection in Postman?

You click the 'Import' button, then upload a collection file (like JSON) or paste a link. This adds the collection to your workspace.

beginner

Why export collections from Postman?

Exporting collections lets you share your API tests with others or back them up. It creates a file you can send or save.

beginner

What file format is used for exporting Postman collections?

Postman collections are exported as JSON files. JSON is easy to read and import back into Postman or other tools.

intermediate

Can you import collections from URLs in Postman?

Yes, Postman allows importing collections by pasting a URL that points to a collection file, making sharing easier.

What is the first step to import a collection in Postman?

A Click the 'Import' button

B Click 'New Collection'

C Open the settings menu

D Run an API request

To import a collection, you start by clicking the 'Import' button in Postman.

Which file format does Postman use to export collections?

A .xml

B .csv

C .json

D .txt

Postman exports collections as JSON files.

Why would you export a Postman collection?

A To delete API requests

B To share or back up API tests

C To run tests faster

D To convert requests to code

Exporting collections helps share or back up your API tests.

Can you import a collection into Postman using a URL?

A Yes, by pasting the URL in the import dialog

B Only if the URL is from Postman

C No, only files can be imported

D Only if the URL ends with .xml

Postman allows importing collections by pasting a URL that points to a collection file.

What happens after you import a collection in Postman?

A You must restart Postman

B The collection is deleted

C Postman closes automatically

D The collection appears in your workspace

After import, the collection appears in your Postman workspace ready to use.

Explain the steps to import a collection into Postman and why this is useful.

Think about how you add saved API requests from outside into Postman.

Describe how exporting collections helps in team collaboration and test management.

Consider why you might want to send your API tests to a teammate.

Practice

1. What is the main purpose of importing a collection in Postman?

easy

A. To add existing API tests into Postman for use

B. To delete all current tests in Postman

C. To export tests to a JSON file

D. To create a new API from scratch

Solution

1. Step 1: Understand importing collections

   Importing collections means bringing existing API tests into Postman so you can use or modify them.

2. Step 2: Differentiate from exporting and creating

   Exporting saves tests out of Postman, and creating new APIs is different from importing.

3. Final Answer:

   To add existing API tests into Postman for use -> Option A

4. Quick Check:

   Import = Add existing tests [OK]

Hint: Import means bringing tests in, not creating or deleting [OK]

Common Mistakes:

• Confusing import with export
• Thinking import deletes tests
• Assuming import creates new APIs

2. Which file format is used when exporting a collection from Postman?

easy

A. .xml

B. .csv

C. .json

D. .txt

Solution

1. Step 1: Identify export file format

   Postman exports collections as JSON files, which store structured data about API tests.

2. Step 2: Exclude other formats

   XML, TXT, and CSV are not used by Postman for exporting collections.

3. Final Answer:

   .json -> Option C

4. Quick Check:

   Exported collections use JSON files [OK]

Hint: Postman collections export as JSON files only [OK]

Common Mistakes:

• Choosing XML or CSV instead of JSON
• Confusing export format with import options
• Assuming text files are used

3. You exported a collection from Postman and shared the JSON file. Your teammate imports it but sees no requests. What is the likely cause?

medium

A. Postman does not support importing JSON files

B. The JSON file was empty or corrupted

C. The teammate did not restart Postman after import

D. The collection was exported in XML format

Solution

1. Step 1: Check file integrity

   If the imported collection shows no requests, the JSON file might be empty or corrupted, causing no data to load.

2. Step 2: Verify import support and format

   Postman supports JSON imports, and restarting is not required. Exporting in XML is not possible, so that is invalid.

3. Final Answer:

   The JSON file was empty or corrupted -> Option B

4. Quick Check:

   Empty/corrupt JSON causes no requests on import [OK]

Hint: Empty or broken JSON files cause empty imports [OK]

Common Mistakes:

• Thinking Postman can't import JSON
• Assuming restart is needed after import
• Believing XML export is possible

4. You tried to export a collection but the export button is disabled. What should you check to fix this?

medium

A. Ensure a collection is selected in Postman

B. Restart your computer immediately

C. Change the export file format to XML

D. Uninstall and reinstall Postman

Solution

1. Step 1: Verify collection selection

   The export button is disabled if no collection is selected. Selecting a collection enables export.

2. Step 2: Exclude unnecessary actions

   Restarting, changing to XML (unsupported), or reinstalling are not needed to enable export.

3. Final Answer:

   Ensure a collection is selected in Postman -> Option A

4. Quick Check:

   Export button needs a selected collection [OK]

Hint: Select a collection first to enable export button [OK]

Common Mistakes:

• Trying unsupported XML format
• Restarting unnecessarily
• Reinstalling Postman without checking selection

5. You want to share a set of API tests with a teammate who uses Postman. Which steps correctly describe exporting and importing the collection?

hard

A. Copy the collection URL, teammate pastes it in browser to import

B. Export the collection as CSV, send the file, teammate imports CSV in Postman

C. Export the collection as XML, send the file, teammate imports XML in Postman

D. Export the collection as JSON, send the file, teammate imports JSON in Postman

Solution

1. Step 1: Export collection as JSON

   Postman exports collections only as JSON files for sharing or backup.

2. Step 2: Teammate imports JSON file

   The teammate imports the JSON file into their Postman app to get the same tests.

3. Final Answer:

   Export the collection as JSON, send the file, teammate imports JSON in Postman -> Option D

4. Quick Check:

   Export and import use JSON files [OK]

Hint: Always export/import collections as JSON files [OK]

Common Mistakes:

• Using CSV or XML formats
• Thinking URL copy imports collections
• Skipping export step