APIs

Query String Builder

Encode name and value pairs into a URL query string.

Calculations run in your browser. The tool does not send your inputs to a server.

01Your inputs

Local workspace

Start with the sample below, or enter your own values.

name=value, one per linePut each entry on its own line, following the example format.

02Your result

Your result will appear here. Choose an action after checking your inputs.

A quick guide

How to use this tool

Check the example and the unit beside each input.
Enter your values and choose Build.
Review the result and assumptions, then copy what you need.

Reset example restores the starting values. Clear removes text and number inputs, returns choices to their first valid option, and removes the result.

Reference guide

Explanation and worked examples

Enter one name=value pair per line. Spaces and special characters are encoded for a query component.

Use in day-to-day IT work

Prepare an integration example or investigate a request, response or event contract.

Checks before applying the result

Use a test endpoint and synthetic credentials when trying generated requests.
Check the service documentation for authentication, supported fields, pagination, timeouts and repeat-request behaviour.

New to the terminology?

Endpoint: A URL and operation exposed by an API.
Idempotent: Repeating a request has the same intended effect as making it once.
Schema: Rules describing data structure and allowed values.

Keep exploring

How calculations work and where the models stop →