AI Rate Card

OpenRouter Body Builder (beta) · kilo

Transform your natural language requests into structured OpenRouter API request objects. Describe what you want to accomplish with AI models, and Body Builder will construct the appropriate API calls. Example:...

Base modelAll models on this baseAll models of the providerto the provider

Input, $/1M

Output, $/1M

Subscription, $/mo $19.00
Kilo Pass optional

Context 128 000

Max output 32 768

Accepts text

Last checked 04.11.2026 12:26:37 UTC

Source provider's page

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API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL
https://api.kilo.ai/api/gateway
Endpoint
https://api.kilo.ai/api/gateway/chat/completions
Model id
openrouter/bodybuilder
curl
curl https://api.kilo.ai/api/gateway/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "openrouter/bodybuilder", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'
Python
import requests

r = requests.post(
    "https://api.kilo.ai/api/gateway/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "openrouter/bodybuilder",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())
JavaScript
const r = await fetch("https://api.kilo.ai/api/gateway/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "openrouter/bodybuilder",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());
Request (JSON)
{
  "model": "openrouter/bodybuilder",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}
Response (JSON)
{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "openrouter/bodybuilder",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Akilo%7Copenrouter/bodybuilder, prices checked 2026-11-04; seller's page: https://kilo.ai

Technical details

ID: offer:kilo|openrouter/bodybuilder