# Routeser > Routeser is a tenant-authenticated, schema-driven asynchronous extraction API for supported document images and PDF documents. ## Public sample policy - Marketing demos use fixed synthetic samples and precomputed results. - Public sample pages do not upload documents or call extraction models. - Real extraction requires tenant authentication. ## Pages - Schema-driven document extraction API: https://www.ttyyuu.space/ - Document extraction API pricing: https://www.ttyyuu.space/pricing.html - Security and trust center: https://www.ttyyuu.space/trust.html - Invoice image extraction API: https://www.ttyyuu.space/use-cases/invoices.html - Receipt image extraction API: https://www.ttyyuu.space/use-cases/receipts.html - Form image field extraction API: https://www.ttyyuu.space/use-cases/forms.html - Invoice image to JSON sample: https://www.ttyyuu.space/tools/invoice-to-json.html - Receipt image to JSON sample: https://www.ttyyuu.space/tools/receipt-to-json.html - Form image to JSON sample: https://www.ttyyuu.space/tools/form-to-json.html - Routeser and Nanonets alternative guide: https://www.ttyyuu.space/alternatives/nanonets.html - Routeser and Mindee alternative guide: https://www.ttyyuu.space/alternatives/mindee.html - Design a document extraction schema: https://www.ttyyuu.space/guides/design-an-extraction-schema.html - TypeScript document extraction client: https://www.ttyyuu.space/integrations/typescript.html - Asynchronous document processing: https://www.ttyyuu.space/guides/async-document-processing.html