Binary Converter API
Convert integers between binary, octal, decimal, hex — BigInt-precise so values past 2^53 work without rounding. Accepts 0b/0o/0x prefixes.
Fast & Accurate
Get precise results instantly.
Easy Integration
Simple REST API with JSON response.
Developer Friendly
Clear docs and SDK examples.
Free to Start
5,000 free requests/month.
Endpoint
All requests should be made to the following endpoint:
GET https://api.tools.town/v1/converters/base Authentication
This endpoint requires an API Key. Include your API key in the request header.
Request Parameters
Send a GET request with query parameters.
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
value | string | ✓ | Enter a value to convert. | example |
from | enum | ✓ | The from parameter. | bin |
Example Request
curl -G "https://api.tools.town/v1/converters/base" \
-H "Authorization: Bearer YOUR_API_KEY" \
--data-urlencode "value=example" \
--data-urlencode "from=bin" Example Response 200 OK
{
"success": true,
"data": {
"ok": "string",
"input": "string",
"from": "string",
"bin": "string",
"oct": "string",
"dec": "string",
"hex": "string",
"bits": "0",
"error": "string"
}
} Error Codes
| Code | Meaning |
|---|---|
| 400 | Bad Request — missing or invalid parameter |
| 401 | Unauthorized — API key missing or invalid |
| 429 | Rate limit exceeded — free tier: 5,000 requests/month |
| 500 | Internal Server Error — try again or contact support |