# FLDR > Document workspace for invoices and fixed-layout forms — structured data in, PDF/CSV/JSON out. ## Product - https://www.fldr.diy/ — create and edit invoices in the browser (guest or account) - https://www.fldr.diy/welcome — first-run document chooser - https://www.fldr.diy/tutorial — how to use the editor and export ## Programmatic document API - https://www.fldr.diy/developers — human-readable developer reference (OpenAPI examples, webhooks, rate limits) - https://www.fldr.diy/api/openapi.json — OpenAPI 3.1 for all v1 routes with request examples - https://www.fldr.diy/api/v1/schema — catalog of invoice, W-9, and Japan visa endpoints - https://www.fldr.diy/api/v1/invoices/schema — invoice JSON schema and fieldId mapping - https://www.fldr.diy/api/v1/invoices/generate — POST invoice JSON → PDF | CSV | JSON (60 POST/min/IP) - https://www.fldr.diy/api/v1/invoices/import — POST invoice JSON → draft or local-only fields (60 POST/min/IP; scopes + quotas apply) - https://www.fldr.diy/api/v1/w9/schema — W-9 programmatic schema - https://www.fldr.diy/api/v1/w9/generate — POST W-9 JSON → export (60 POST/min/IP) - https://www.fldr.diy/api/v1/w9/import — POST W-9 JSON → draft or local-only fields (60 POST/min/IP) - https://www.fldr.diy/api/v1/japan-visa/schema — Japan visa programmatic schema - https://www.fldr.diy/api/v1/japan-visa/generate — POST visa JSON → export (60 POST/min/IP) - https://www.fldr.diy/api/v1/japan-visa/import — POST visa JSON → draft or local-only fields (60 POST/min/IP) ## Account integration settings - https://www.fldr.diy/account/api-access — per-account API keys (scoped permissions), export webhooks, delivery log ## Support - https://www.fldr.diy/about - https://www.fldr.diy/contact - https://www.fldr.diy/privacy