# Public API ## Docs - [General - Intelligent Document Processing API](https://docs.docpier.com/general.md): General - Intelligent Document Processing API ## API Docs - Endpoints [Upload a document for processing](https://docs.docpier.com/upload-a-document-for-processing-18027778e0.md): Uploads a single document file (e.g., PDF, image) to Docpier's IDP service for asynchronous processing. - Endpoints [Retrieve structured data results for a processed document](https://docs.docpier.com/retrieve-structured-data-results-for-a-processed-document-18027779e0.md): Retrieves the structured JSON data extracted from the document identified by the `documentId`. - Endpoints [Provide feedback on document extraction results](https://docs.docpier.com/provide-feedback-on-document-extraction-results-18027780e0.md): Allows clients to send feedback (e.g., corrections, accuracy ratings) for a specific document processing result.