Number Base Conversion

Convert integers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).

Get API Key

Descripción general

Casos de uso

Developer tools and calculators
Converting memory addresses or CPU flags between hex and binary
Teaching or learning number systems
Debugging low-level protocol data

Funcionalidades

Supports binary, octal, decimal, and hexadecimal

Accepts optional base prefixes (0x, 0b, 0o)

Supports negative integers

Fast, in-memory only — no database required

Puntos finales de la API

Convert Base

Convert an integer from one number base to another.

GET

https://requiems.xyz/v1/technology/base

Parámetros

Nombre	Tipo	Obligatorio	Descripción
from	`integer`	Obligatorio	Source base (2, 8, 10, or 16)
to	`integer`	Obligatorio	Target base (2, 8, 10, or 16)
value	`string`	Obligatorio	The number as a string. Accepts optional prefixes: 0x (hex), 0b (binary), 0o (octal).

Pruébalo

Demostración en vivo

Solicitud

from * (integer)

Source base (2, 8, 10, or 16)

to * (integer)

Target base (2, 8, 10, or 16)

value * (string)

The number as a string. Accepts optional prefixes: 0x (hex), 0b (binary), 0o (octal).

Campos de respuesta

Campo	Tipo	Descripción
input	`string`	The original value as provided in the request
from	`integer`	The source base
to	`integer`	The target base
result	`string`	The converted value in the target base

Ejemplos de código

# Decimal to hex
curl "https://requiems.xyz/v1/technology/base?from=10&to=16&value=255" \
  -H "requiems-api-key: YOUR_API_KEY"

# Hex to binary (using 0x prefix)
curl "https://requiems.xyz/v1/technology/base?from=16&to=2&value=0xff" \
  -H "requiems-api-key: YOUR_API_KEY"

import requests

url = "https://requiems.xyz/v1/technology/base"
headers = {"requiems-api-key": "YOUR_API_KEY"}
params = {"from": 10, "to": 16, "value": "255"}

response = requests.get(url, params=params, headers=headers)
print(response.json()["data"]["result"])  # ff

const params = new URLSearchParams({ from: 10, to: 16, value: '255' });
const response = await fetch(
  `https://requiems.xyz/v1/technology/base?${params}`,
  { headers: { 'requiems-api-key': 'YOUR_API_KEY' } }
);

const { data } = await response.json();
console.log(data.result); // ff

require 'net/http'
require 'json'

uri = URI('https://requiems.xyz/v1/technology/base')
uri.query = URI.encode_www_form(from: 10, to: 16, value: '255')
request = Net::HTTP::Get.new(uri)
request['requiems-api-key'] = 'YOUR_API_KEY'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)['data']['result']  # ff

Respuestas de error

bad_request

A required parameter is missing, the base is not one of 2/8/10/16, or value is not valid for the given base.

Batch Convert Base

Convert up to 50 numbers between bases in a single request. Results are returned in input order. Per-item errors are reported inline.

POST

https://requiems.xyz/v1/technology/base/batch

Parámetros

Nombre	Tipo	Obligatorio	Descripción
items	`array<object>`	Obligatorio	List of conversion requests (1–50 items).
items[].from	`integer`	Obligatorio	Source base (2, 8, 10, or 16).
items[].to	`integer`	Obligatorio	Target base (2, 8, 10, or 16).
items[].value	`string`	Obligatorio	The number as a string. Accepts optional prefixes: 0x (hex), 0b (binary), 0o (octal).

Pruébalo

Demostración en vivo

Solicitud

items * (array<object>)

List of conversion requests (1–50 items).

items[].from * (integer)

Source base (2, 8, 10, or 16).

items[].to * (integer)

Target base (2, 8, 10, or 16).

items[].value * (string)

The number as a string. Accepts optional prefixes: 0x (hex), 0b (binary), 0o (octal).

Campos de respuesta

Campo	Tipo	Descripción
results	`array<object>`	Per-item results in input order.
results[].from	`integer`	The source base used for conversion.
results[].to	`integer`	The target base used for conversion.
results[].input	`string`	The original value as provided in the request.
results[].result	`string`	The converted value in the target base (omitted on error).
results[].error	`string`	Error message if this item failed (omitted on success).
total	`integer`	Total number of items processed.

Ejemplos de código

curl -X POST https://requiems.xyz/v1/technology/base/batch \
  -H "requiems-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"items": [{"from": 10, "to": 16, "value": "255"}, {"from": 2, "to": 10, "value": "1111"}]}'

import requests

url = "https://requiems.xyz/v1/technology/base/batch"
headers = {
    "requiems-api-key": "YOUR_API_KEY",
    "Content-Type": "application/json"
}
payload = {
    "items": [
        {"from": 10, "to": 16, "value": "255"},
        {"from": 2,  "to": 10, "value": "1111"}
    ]
}

response = requests.post(url, headers=headers, json=payload)
for item in response.json()["data"]["results"]:
    print(item.get("result") or item.get("error"))

const response = await fetch('https://requiems.xyz/v1/technology/base/batch', {
  method: 'POST',
  headers: {
    'requiems-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    items: [
      { from: 10, to: 16, value: '255' },
      { from: 2,  to: 10, value: '1111' }
    ]
  })
});

const { data } = await response.json();
data.results.forEach(item => console.log(item.result ?? item.error));

require 'net/http'
require 'json'

uri = URI('https://requiems.xyz/v1/technology/base/batch')
request = Net::HTTP::Post.new(uri)
request['requiems-api-key'] = 'YOUR_API_KEY'
request['Content-Type'] = 'application/json'
request.body = {
  items: [
    { from: 10, to: 16, value: '255' },
    { from: 2,  to: 10, value: '1111' }
  ]
}.to_json

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

data = JSON.parse(response.body)['data']
data['results'].each { |item| puts item['result'] || item['error'] }

Respuestas de error

validation_failed

The items array is missing, empty, or exceeds 50 items.

bad_request

The request body is missing or malformed.

Sin resultados

Sin resultados

Number Base Conversion

Descripción general

Casos de uso

Funcionalidades

Puntos finales de la API

Convert Base

Parámetros

Pruébalo

Solicitud

Respuesta

Error

Campos de respuesta

Ejemplos de código

Respuestas de error

Batch Convert Base

Parámetros

Pruébalo

Solicitud

Respuesta

Error

Campos de respuesta

Ejemplos de código

Respuestas de error

Preguntas frecuentes