DevBolt
Processed in your browser. Your data never leaves your device.

How do I build an HTTP request and generate code online?

Select the HTTP method, enter a URL, then configure headers, query parameters, authorization, and body using the visual builder. The tool instantly generates working code in cURL, JavaScript, Python, Go, Rust, and PHP. Copy the generated snippet into your project. Everything runs in your browser — your data never leaves your device.

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HTTP Request Builder

Build HTTP requests visually and generate code in cURL, JavaScript, Python, Go, Rust, or PHP. The reverse of cURL to Code.

About HTTP Request Builder

  • Build HTTP requests visually — set method, URL, headers, query parameters, auth, and body without writing code.
  • Generate code in 6 languages: cURL, JavaScript (fetch), Python (requests), Go (net/http), Rust (reqwest), and PHP (curl).
  • Supports Bearer tokens, Basic Auth, and API key authentication in headers or query parameters.
  • This is the reverse of cURL to Code — build a request visually instead of parsing a command.
  • Everything runs in your browser — no data is sent over the network.

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Frequently Asked Questions

How do I build an HTTP request without code?
Use the visual builder to set the HTTP method (GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS), enter the URL, add headers, query parameters, authorization (Bearer token, Basic Auth, API Key), and a request body (JSON, form-urlencoded, or raw). The tool generates working code in cURL, JavaScript (fetch), Python (requests), Go (net/http), Rust (reqwest), and PHP (curl). Copy the generated code and paste it into your project. Everything runs in your browser — no data is sent to any server.
How is this different from Postman or ReqBin?
This tool focuses on code generation rather than executing requests. Postman and ReqBin send actual HTTP requests from their servers. DevBolt's HTTP Request Builder runs entirely in your browser and generates ready-to-use code in 6 languages. There is no account, no download, and no data leaves your device. It is ideal for quickly scaffolding API calls in your preferred language without installing a desktop app.
What authentication methods are supported?
The builder supports Bearer Token (adds Authorization: Bearer header), Basic Auth (base64-encoded username:password, uses native auth mechanisms in each language like requests auth= in Python and -u in cURL), and API Key (sent as a custom header or query parameter). Each auth method generates idiomatic code for the selected language.
Can I send a JSON body with a GET request?
While technically possible, sending a body with GET is discouraged by HTTP specifications and many servers ignore it. The builder allows it for flexibility (some APIs like Elasticsearch accept GET with body), but best practice is to use POST, PUT, or PATCH for requests with a body. The builder does not restrict method-body combinations so you can match your API's requirements.

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