# OptikAPI > OptikAPI provides background removal and optical product preparation for e-commerce images through a synchronous REST API. Website: https://opticalbackgroundremover.com API base: https://opticalbackgroundremover.com/api/v1 Authentication: Authorization: Bearer Each successful image request costs 1 credit. New accounts receive 100 free credits once. Both services share the same credit balance. The public API accepts multipart image uploads and returns JSON containing a base64 image data URL, not raw image bytes. ## Integration documentation - [Complete integration guide](https://opticalbackgroundremover.com/docs/integration.txt): Plain-text reference, endpoint contracts, Node.js and Python examples, error handling, idempotency, and an implementation prompt for coding assistants. - [Full LLM reference](https://opticalbackgroundremover.com/llms-full.txt): Alias for the complete integration guide. - [Developer documentation](https://opticalbackgroundremover.com/docs): Human-readable API documentation. ## Products - [Background removal](https://opticalbackgroundremover.com/background-removal): Isolate the subject on a transparent background while preserving source geometry. - [E-commerce Prep](https://opticalbackgroundremover.com/ecommerce-image-api): Remove the background and optically align the product on a 2000 × 2000 white canvas in one request. - [Pricing](https://opticalbackgroundremover.com/pricing): Free 100; one-time packs of $5 / 2,000 credits, $19 / 10,000, $59 / 40,000, $149 / 120,000, and $299 / 300,000. Prices are USD before applicable tax. - [Examples](https://opticalbackgroundremover.com/examples): Product image processing examples. ## Optional - [Changelog](https://opticalbackgroundremover.com/changelog): Product updates. - [Status](https://opticalbackgroundremover.com/status): Service status. - [Contact](https://opticalbackgroundremover.com/contact): Integration support. - [Privacy](https://opticalbackgroundremover.com/privacy): Privacy policy. - [Terms](https://opticalbackgroundremover.com/terms): Terms of service. Use the public API contract in the integration guide. Do not assume that upstream image-processing parameters, provider credentials, or internal dashboard and billing routes are supported public API endpoints. Never include a real API key in a prompt or browser bundle.