OpenAI-compatible Omni API gateway

Use Omni API through your existing OpenAI SDK.

Create an API key, replace your base URL, and track request cost, token usage, and remaining usage value from one developer dashboard.

OpenAI SDK compatiblePrepaid usage valueRequest ledgerNo subscription

$5.00 usage value after Google signup. Payment-method verification adds a free bonus; it is not required to create your first API key. Omni Quasar is an independent API gateway and is not affiliated with OpenAI or Anthropic.

Compatibility scope: Chat Completions only. Responses API, Assistants, tool calling, images, files, and browsing are not supported yet.

status: completed
request
POST
https://omniquasar.com/api/proxy/v1/chat/completions
Authorization
Bearer omni_live_xxxxxxxx
01resolve key
02reserve credits
03dispatch upstream
04settle ledger
Usage ledger
endpoint/api/proxy/v1/chat/completions
api keyomni_live_xxxxxxxx
input tokens18,420
output tokens1,280
billable tokens19,700
model multiplier×2
charged usage value$2.00
statuscompleted
usage value balance
$33.00
unit
credits

OpenAI-compatible endpoint

Use your existing OpenAI SDK with a different base URL.

Prepaid usage credits

Start with free usage value, then top up only when needed.

Request-level usage ledger

Track billable tokens, charged usage value, and remaining balance per request.

How it works

From SDK request to settled usage value.

Omni API keeps the developer workflow familiar while adding key management, request logs, and credit-based billing around the model layer.

01

Replace base URL

Keep your OpenAI SDK shape and point it to the Omni API proxy endpoint.

02

Send request

Use your Omni API key with chat completions and supported model IDs.

03

Track usage

Review request status, billable tokens, charged value, and remaining balance.