Convert API Request Builder Online
Build an HTTP request visually, then export it as curl, fetch, axios, Python or Go. Use API Request Builder in your browser with no signup, no daily limit, and no backend processing for tool input.
Problem
You need to move data through API Request Builder without writing a script or uploading the source file to another service.
What to do
API Request Builder is useful when a format mismatch blocks the next step. Convert the data, inspect the preview, then continue into validation, cleanup, or export.
- 1Paste or upload the source data into API Request Builder.
- 2Confirm the format options and preview the result.
- 3Copy or download the converted output.
Use the browser tool
API Request Builder is a free, browser-based tool that helps you convert between formats. Build an HTTP request visually, then export it as curl, fetch, axios, Python or Go. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.
People also ask
- How do I use API Request Builder?
- Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Build an HTTP request visually, then export it as curl, fetch, axios, Python or Go.
- Is my data uploaded or stored anywhere?
- No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.
- Is API Request Builder free?
- Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.