Authentication

Every request to the Inference API is authenticated with an API key passed as a bearer token.

Create an API key

1. Open the Console and sign in.
2. Go to API keys and click Create key.
3. Give it a recognizable name (e.g. Production, Testing) so you can tell keys apart later.
4. Copy the generated key — it starts with prlc_. Store it somewhere safe; treat it like a password.

You can create multiple keys and delete any of them from the Console. Track per-key usage there too.

Authenticate a request

Pass the key in the Authorization header as a bearer token:

Authorization: Bearer prlc_your_key_here

With the OpenAI SDK, set it as the api_key:

from openai import OpenAI

client = OpenAI(
    api_key="prlc_your_key_here",
    base_url="https://paraloncloud.com/v1",
)

With curl:

curl https://paraloncloud.com/v1/models \
  -H "Authorization: Bearer prlc_your_key_here"

Permissions

A key does only what its permissions allow, set when you create it and changed any time in the key's settings in the Console:

Permission	Lets the key
Inference (inference)	Call the models: chat, embeddings, classify, responses, messages, batch, images and speech. On by default
GPU rentals (rental)	Start and stop rentals with the Rental API
My nodes (nodes)	Manage the nodes you provide with the Provider API

A key without Inference gets 403 with "code": "insufficient_scope" on the model endpoints; GET /v1/models still answers. Give each key only what it needs: a key for an agent that rents GPUs, or for a script that runs your nodes, does not need to call the models.

Keep your keys safe

• Never commit keys to source control or ship them in client-side code. Keep them server-side, in environment variables or a secrets manager.
• Use separate keys for different apps or environments so you can revoke one without disrupting the others.
• Rotate by creating a new key, switching your app over, then deleting the old one.

Lost a key or think it leaked? Delete it in the Console and create a new one — a deleted key stops working immediately.