Form-data body in Postman - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a form-data body in API testing?

Form-data body is a way to send key-value pairs in an HTTP request, often used to upload files or submit form fields in API testing.

beginner

How do you add a file in the form-data body using Postman?

In Postman, select 'form-data' in the Body tab, add a key, then choose 'File' type from the dropdown next to the key, and upload your file.

intermediate

Why use form-data body instead of raw JSON in API requests?

Form-data is used when you need to send files or mixed data types, while raw JSON is for structured text data only.

intermediate

What content-type header does Postman set automatically when using form-data body?

Postman sets the 'Content-Type' header to 'multipart/form-data' with a boundary string automatically when you use form-data body.

beginner

Can you send multiple files in one form-data body in Postman?

Yes, you can add multiple keys with type 'File' in form-data to send multiple files in one request.

What type of data is best sent using form-data body?

A Files and key-value pairs

B Only JSON text

C Only XML data

D Plain text only

Form-data body is designed to send files and key-value pairs together.

In Postman, which tab do you select to send form-data?

A Body

B Headers

C Params

D Authorization

The Body tab is where you select form-data to send key-value pairs or files.

What content-type header does Postman add for form-data requests?

A application/json

B application/xml

C text/plain

D multipart/form-data

Postman sets 'multipart/form-data' for form-data body requests.

Can you send text fields along with files in form-data body?

A No, only files are allowed

B Yes, both text and files can be sent

C Only one key-value pair is allowed

D Only JSON can be sent

Form-data supports sending both text fields and files together.

Which of these is NOT a valid use of form-data body?

A Uploading images

B Submitting form fields with files

C Sending login credentials as JSON

D Sending multiple files in one request

Login credentials are usually sent as JSON or form-urlencoded, not form-data.

Explain how to send a file and a text field together using form-data body in Postman.

Think about the steps in Postman interface to add different types of data.

Describe why and when you would use form-data body instead of raw JSON in API testing.

Consider what JSON cannot handle well compared to form-data.