Sanitize and Encode API URLs

API endpoints are strict. One wrong character can lead to a 400 Bad Request. Encode your parameters every time for safety.

When to use this solution:

Use this every time you are dynamically building an API request string in your code.

Common Use Cases

Encoding user-generated search termsPassing JSON objects in GET requestsBuilding complex filter stringsEnsuring cross-browser compatibility

1Step-by-Step Guide

Start with base URL

Identify your endpoint (e.g., https://api.example.com/search).

Identify dynamic parts

Note which variables contain user input or special symbols.

Encode the variables

Run each value through our encoder to make it URL-safe.

Test the full link

Assemble and test the finished URL to ensure it reaches the server correctly.

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Prepare API URL

Frequently Asked Questions

What characters must be encoded?

Any character that isn't a letter, number, or certain symbols (like - . _ ~) should generally be encoded.

Will it encode my whole URL?

No, you should only encode the *values* of your query parameters, not the entire address.