aid: extend-ai url: https://raw.githubusercontent.com/api-evangelist/extend-ai/refs/heads/main/apis.yml name: Extend kind: company description: Extend is an intelligent document processing platform that turns documents into high quality, structured data. Its REST API at api.extend.ai exposes parsing, extraction, classification, and splitting processors, durable multi-step workflows, evaluation sets, and batch processing for automating document-heavy operations. image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg tags: - Document Processing - Document AI - Intelligent Document Processing - OCR - Extraction - Classification created: '2026-06-20' modified: '2026-06-20' specificationVersion: '0.19' apis: - aid: extend-ai:files name: Extend Files API tags: - Files - Upload - Documents image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.extend.ai/api-reference/endpoints/file/upload-file baseURL: https://api.extend.ai properties: - url: https://docs.extend.ai/api-quickstart type: Documentation - url: https://docs.extend.ai/api-reference/endpoints/file/upload-file type: APIReference - url: openapi/extend-ai-openapi.yml type: OpenAPI - url: collections/extend-ai.postman_collection.json type: PostmanCollection - url: collections/extend-ai.opencollection.json type: OpenCollection description: Upload, list, retrieve, and delete files used as inputs to Extend processors and workflows, with optional PDF conversion and password-protected document support. - aid: extend-ai:processors name: Extend Processors API tags: - Parse - Extract - Classify - Split image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.extend.ai/api-reference/endpoints/parse/parse-file baseURL: https://api.extend.ai properties: - url: https://docs.extend.ai/extraction/overview type: Documentation - url: https://docs.extend.ai/api-reference/endpoints/parse/parse-file type: APIReference - url: openapi/extend-ai-openapi.yml type: OpenAPI - url: collections/extend-ai.postman_collection.json type: PostmanCollection - url: collections/extend-ai.opencollection.json type: OpenCollection description: Synchronous parse, extract, classify, and split endpoints plus management of reusable extractors, classifiers, and splitters for document understanding. - aid: extend-ai:processor-runs name: Extend Processor Runs API tags: - Processor Runs - Async - Polling image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.extend.ai/api-reference/endpoints/parse/create-parse-run baseURL: https://api.extend.ai properties: - url: https://docs.extend.ai/api-reference/endpoints/parse/create-parse-run type: APIReference - url: openapi/extend-ai-openapi.yml type: OpenAPI - url: collections/extend-ai.postman_collection.json type: PostmanCollection - url: collections/extend-ai.opencollection.json type: OpenCollection description: Asynchronous run lifecycle for parse, extract, classify, and split operations, returning run objects you poll or receive via webhooks for production workloads. - aid: extend-ai:workflows name: Extend Workflows API tags: - Workflows - Orchestration - Durable image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.extend.ai/api-reference/endpoints/workflow/create-workflow baseURL: https://api.extend.ai properties: - url: https://docs.extend.ai/workflows/overview type: Documentation - url: https://docs.extend.ai/api-reference/endpoints/workflow/create-workflow type: APIReference - url: openapi/extend-ai-openapi.yml type: OpenAPI - url: collections/extend-ai.postman_collection.json type: PostmanCollection - url: collections/extend-ai.opencollection.json type: OpenCollection description: Create and manage versioned, durable multi-step workflows that chain parsing, splitting, extraction, classification, validation, and routing. - aid: extend-ai:workflow-runs name: Extend Workflow Runs API tags: - Workflow Runs - Execution - Webhooks image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.extend.ai/api-reference/endpoints/workflow/create-workflow-run baseURL: https://api.extend.ai properties: - url: https://docs.extend.ai/api-reference/endpoints/workflow/create-workflow-run type: APIReference - url: openapi/extend-ai-openapi.yml type: OpenAPI - url: collections/extend-ai.postman_collection.json type: PostmanCollection - url: collections/extend-ai.opencollection.json type: OpenCollection description: Run deployed workflows against files, then poll, update, list, and batch workflow runs with priorities, metadata, secrets, and human-review states. - aid: extend-ai:evaluations name: Extend Evaluations API tags: - Evaluations - Batches - Quality image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.extend.ai/api-reference/endpoints/evaluation/create-evaluation-set baseURL: https://api.extend.ai properties: - url: https://docs.extend.ai/evaluation/overview type: Documentation - url: https://docs.extend.ai/api-reference/endpoints/evaluation/create-evaluation-set type: APIReference - url: openapi/extend-ai-openapi.yml type: OpenAPI - url: collections/extend-ai.postman_collection.json type: PostmanCollection - url: collections/extend-ai.opencollection.json type: OpenCollection description: Create evaluation sets and items against extractors, classifiers, or splitters, trigger evaluation runs, and track batch runs to measure processor accuracy over time. common: - type: LinkedIn url: https://www.linkedin.com/company/extend-ai - type: Website url: https://www.extend.ai - type: Documentation url: https://docs.extend.ai - type: Plans url: plans/extend-ai-plans-pricing.yml - type: RateLimits url: rate-limits/extend-ai-rate-limits.yml - type: FinOps url: finops/extend-ai-finops.yml maintainers: - FN: Kin Lane email: kin@apievangelist.com