LearnFAQGetting Started & Platform OverviewWhat can I build with the Verdocs API?Is Verdocs designed for embedded/OEM eSignature use cases?Does Verdocs support multi-tenant SaaS platforms?Does Verdocs have a sandbox or test mode?How do I move from development to production?What SDKs, OpenAPI specs, and developer tools are available?How does usage-based pricing work for API customers?Authentication & API KeysHow do I get API credentials?How do I authenticate server-to-server API calls?How do I rotate API keys or webhook secrets without downtime?Are there API rate limits or upload size limits I should plan for?Organizations & ProfilesWhat is the difference between a user, profile, organization, and recipient?Why do my API calls return templates or envelopes from the wrong organization?How should my SaaS map each customer to Verdocs?How can I see envelope usage for billing my own customers?Why does Verdocs require a corporate email to sign up or invite teammates?Templates & DocumentsWhat is the difference between a template and an envelope?Can I send a document for signature without creating a template first?Does Verdocs support Word (DOCX) documents?What are dynamic tags or PDF tags for field placement?How do I prefill fields without removing the signer's ability to edit them?Envelopes & Signing WorkflowWhen is an envelope actually finished and safe to download?How does signing order work when I have multiple recipients?How does Verdocs handle signed PDFs, audit trails, and certificates?RecipientsDo my signers need Verdocs accounts?What recipient authentication options does Verdocs support?Can a signer decline, delegate, or ask the sender a question?How do I run an in-person signing flow on a tablet or front desk?Signer Experience & EmbedsCan my users sign documents without leaving my application?What is the difference between embedded signing and hosted signing?When should I use Web Components versus IFRAME embeds?BrandingDoes Verdocs support white-label branding?NotificationsWhat is `no_contact`, and when should I use it?Can I customize the emails and sender name signers see?WebhooksHow do webhooks work, and which events are supported?How do I verify that a webhook really came from Verdocs?Compliance & EnterpriseDoes Verdocs support HIPAA-aligned workflows?AI & MCP IntegrationUse Verdocs documentation with AI assistants and MCP-compatible tools like Claude Desktop, Cursor, and Windsurf.ReferenceExplore the Verdocs documentation for our development tools.