# Chaindoc > Chaindoc is an e-signature, payments and KYC platform with blockchain-verified document trails. Sign contracts, collect payments, and verify identities in one workflow. ## Docs - [Chaindoc — Agreement Management & E-Signature Platform](https://chaindoc.io/md/locales/en/pages/home.md): Agreement management platform with built-in KYC and payments. eIDAS-compliant e-signature, blockchain audit trail, ISO 27001 certified. - [Chaindoc Pricing | Plans for Teams of Any Size](https://chaindoc.io/md/locales/en/pages/pricing.md): Chaindoc pricing plans start free. Compare e-signature plans with blockchain security — Personal from €9/mo, Team from €19/mo, Business from €29/mo. - [REST API for E-Signature & Document Automation | Chaindoc](https://chaindoc.io/md/locales/en/pages/api-integration.md): Embed e-signature and document management into your app with the Chaindoc REST API, Node.js Server SDK, browser Embed SDK, and webhooks. - [Contact Chaindoc | Get Support & Request a Demo](https://chaindoc.io/md/locales/en/pages/contact.md): Contact Chaindoc for a live demo, e-signature support, API setup, or partnership questions. We'll get back to you within 24 hours on business days. - [Verified Companies on Chaindoc](https://chaindoc.io/md/locales/en/pages/companies.md): Browse verified businesses that use Chaindoc for blockchain-backed document signing, contracts, and KYC. Each company is vetted by Chaindoc before publication. ## Features - [Sign Documents Online with Blockchain Security | Chaindoc](https://chaindoc.io/md/locales/en/pages/signing.md): Sign documents online with blockchain security. Automated reminders, tracked approvals, KYC identity verification, and immutable blockchain audit trails. - [KYC & Identity Verification for E-Signatures | Chaindoc](https://chaindoc.io/md/locales/en/pages/kyc-verification.md): Verify who's really signing. Chaindoc runs ID, liveness and AML checks inside the signing flow, powered by Sumsub, and seals identity to a blockchain trail. - [Contract-Linked Payments & Billing Automation | Chaindoc](https://chaindoc.io/md/locales/en/pages/payments.md): Attach payment terms to every contract, collect fees when clients sign, and automate recurring billing. All inside Chaindoc with a full blockchain audit trail. - [Create Digital Documents Online | Chaindoc](https://chaindoc.io/md/locales/en/pages/contract-management.md): Build compliant agreements with ready-made templates, collaborate in real time, and secure every draft with blockchain-backed authorship in Chaindoc. - [Contract Templates for Business — Free | Chaindoc](https://chaindoc.io/md/locales/en/pages/contract-templates.md): Create legally binding contracts in minutes. Free customizable contract templates for NDA, employment, vendor, web development and more. Try Chaindoc. ## Verification tools - [Signature Generator & Maker: Draw or Type, Download PNG | Chaindoc](https://chaindoc.io/md/locales/en/pages/signature-generator.md): Free signature maker and generator: draw your signature with a finger or a mouse, or type your name in a handwriting font, then download a… - [Verify Qualified Electronic Signatures: eIDAS | Chaindoc](https://chaindoc.io/md/locales/en/pages/signature-verification.md): Verify qualified and advanced electronic signatures under eIDAS. Check PAdES, XAdES, CAdES and ASiC files against the EU Trusted List in seconds, free. - [Validate Signature in PDF Online Free | Chaindoc](https://chaindoc.io/md/locales/en/pages/pdf-verify.md): Signature not verified in a PDF? Validate the digital signature online, free, from a phone or a laptop. Integrity, signer, trust chain and timestamps, each… - [Verify XAdES / XML Signature Online Free | Chaindoc](https://chaindoc.io/md/locales/en/pages/verify-xades.md): Verify XAdES signatures in XML files for free. Check signature integrity, certificate chain and eIDAS compliance in seconds. Nothing gets stored. - [Verify CAdES / .p7m Signature Online Free | Chaindoc](https://chaindoc.io/md/locales/en/pages/verify-cades.md): Verify CAdES signatures in .p7m and .p7s files for free. Check CMS integrity, certificate chain and eIDAS compliance in seconds. Nothing gets stored. - [Verify ASiC / .asice Signature Online Free | Chaindoc](https://chaindoc.io/md/locales/en/pages/verify-asic.md): Verify ASiC-E and ASiC-S container signatures (.asice, .asics) free. Check every inner XAdES/CAdES signature, certificate chain and eIDAS compliance in seconds. ## Use Cases - [Document Management for IT Companies | Chaindoc](https://chaindoc.io/md/locales/en/pages/it-companies.md): Streamline document management for IT companies: sign NDAs, contracts, and SOWs online. Blockchain-secured, legally valid e-signatures for remote teams. - [Blockchain Contracts for Freelancers & E-Signing | Chaindoc](https://chaindoc.io/md/locales/en/pages/freelancers.md): Freelance contract blockchain signing for freelancers and agencies. Send proposals, NDAs and legally binding online contracts. - [HIPAA-Compliant E-Signatures for Healthcare | Chaindoc](https://chaindoc.io/md/locales/en/pages/healthcare.md): HIPAA-compliant e-signatures for healthcare: sign consent forms and provider agreements online. Blockchain records make every document audit-ready. - [E-Signatures for Insurance Policies | Chaindoc](https://chaindoc.io/md/locales/en/pages/insurance.md): E-signatures for insurance: sign policy documents and broker agreements online. Blockchain records make every document tamper-proof and regulation-ready. - [Electronic Signatures for Real Estate | Chaindoc](https://chaindoc.io/md/locales/en/pages/real-estate.md): Electronic signatures for real estate: sign contracts, leases, and property deeds online. Blockchain verification keeps every deal legally protected. ## Comparisons - [DocuSign Alternative with KYC and Payment in the Plan | Chaindoc](https://chaindoc.io/md/locales/en/pages/docusign-alternative.md): DocuSign alternative with identity check and payment in the plan. A cheaper alternative to DocuSign at 15 signatures a month, both billed annually. - [PandaDoc Alternative for E-Signing, Not Proposals | Chaindoc](https://chaindoc.io/md/locales/en/pages/pandadoc-alternative.md): Looking for an alternative to PandaDoc for signing alone? A PandaDoc alternative with identity checks and Stripe payment from €9/mo, no proposal suite. - [Adobe Sign Alternative Without an Acrobat Subscription | Chaindoc](https://chaindoc.io/md/locales/en/pages/adobe-sign-alternative.md): An Adobe Sign alternative with no Acrobat subscription: identity check and payment from €9/mo, signatures counted monthly. Adobe Sign competitors compared. - [HelloSign Alternative with KYC and Payments from €9/mo | Chaindoc](https://chaindoc.io/md/locales/en/pages/hellosign-alternative.md): A HelloSign alternative with identity checks and Stripe payment from €9/mo. Dropbox Sign's 2026 prices and other HelloSign competitors, compared. - [SignNow Alternative with Identity Checks from €9/mo | Chaindoc](https://chaindoc.io/md/locales/en/pages/signnow-alternative.md): A SignNow alternative with identity checks from €9/mo and a monthly signature allowance. SignNow's 2026 prices and other SignNow competitors compared. - [Yousign Alternative with AES and KYC Inside the Plan | Chaindoc](https://chaindoc.io/md/locales/en/pages/yousign-alternative.md): Youtrust alternative? Chaindoc is a Yousign alternative with AES and an identity check in every paid plan from €9/mo, set against Youtrust's 2026 prices. ## Resources - [Top 15 DocuSign Alternatives & Competitors in 2026](https://chaindoc.io/md/locales/en/blog/articles/docusign-alternatives-competitors-2026.md): DocuSign alternatives compared: pricing, features, and pros/cons for 15 competitors in 2026. Find the best e-signature platform for your team and budget. - [Electronic signature audit trail: what each field proves and what the law asks](https://chaindoc.io/md/locales/en/blog/articles/audit-trail-compliance-guide.md): An electronic signature audit trail is the record a court reads first. See what each field proves, what ESIGN, UETA and eIDAS ask, and how… - [MCP vs API: Letting an AI Agent Send Contracts](https://chaindoc.io/md/locales/en/blog/articles/mcp-server-e-signature-ai-agents.md): MCP vs API, shown on one e-signature product: what an MCP server adds to a REST API, how to connect Chaindoc's, and why the agent… - [DocuSign Pricing Explained: What It Really Costs in 2026](https://chaindoc.io/md/locales/en/blog/articles/docusign-pricing-explained-2026.md): DocuSign pricing for 2026: checked US and EU plan references, envelope allowances, add-ons and a three-user budget, plus alternative pricing models. - [How to Sign a PDF: Preview, Edge, Chrome, Acrobat](https://chaindoc.io/md/locales/en/blog/articles/how-to-sign-a-pdf.md): Learn how to sign a PDF for free in Preview, Edge, Chrome, Firefox or Acrobat Reader, when you need a digital ID, and how to… - [Force Majeure Clause: What Counts and How to Draft One](https://chaindoc.io/md/locales/en/blog/articles/force-majeure-clause.md): A force majeure clause, not the doctrine, is what excuses performance. The three conditions courts apply, what never qualifies, and the five parts that hold… - [Independent contractor agreement template: every clause, with sample wording](https://chaindoc.io/md/locales/en/blog/articles/independent-contractor-agreement-template-guide.md): Build an independent contractor agreement clause by clause: sample wording for scope, IP, payment and termination, plus the 2026 1099 and state rules. - [DocuSign vs Adobe Sign: The Honest 2026 Head-to-Head Comparison](https://chaindoc.io/md/locales/en/blog/articles/docusign-vs-adobe-sign-2026.md): DocuSign vs Adobe Sign in 2026: compare plan limits, annual prices, templates and API access, with a practical checklist for your team's trial. - [Free NDA template: a non-disclosure agreement you can copy and sign](https://chaindoc.io/md/locales/en/blog/articles/nda-template-guide.md): Copy a free NDA template with mutual and one-way versions, sample wording for the four risky clauses, the US whistleblower notice and a signing checklist. - [PandaDoc vs DocuSign Pricing, Limits and Features](https://chaindoc.io/md/locales/en/blog/articles/pandadoc-vs-docusign.md): PandaDoc vs DocuSign on US prices with the billing cycle named, envelopes against documents and five-seat costs. Compare where each tool leads first. - [Proforma Invoice: What It Is, and What It Cannot Do](https://chaindoc.io/md/locales/en/blog/articles/proforma-invoice.md): A proforma invoice is not an invoice, and the label is not what decides. What makes a document a real invoice, and the one line… - [eSignature API Comparison: 7 Vendors, Real Prices](https://chaindoc.io/md/locales/en/blog/articles/esignature-api-guide.md): Compare eSignature API pricing, auth, sandboxes and webhooks across DocuSign, Dropbox Sign, PandaDoc, SignNow, Adobe, SignWell and Chaindoc, read October 2026. - [eIDAS 2.0 Explained: The EUDI Wallet, Its Deadlines and What Changes for E-Signatures](https://chaindoc.io/md/locales/en/blog/articles/eidas-2-0-esignatures-guide.md): eIDAS 2.0 explained: EU wallets due by 24 December 2026, private-sector acceptance by December 2027, new trust services, and what it means for e-signatures. - [Qualified electronic signature (QES): how it works, what it costs and when you need one](https://chaindoc.io/md/locales/en/blog/articles/qualified-electronic-signature-guide.md): A qualified electronic signature (QES) counts as handwritten across the EU. Learn how to get one, what it costs, when the law requires it and… - [Digital signature vs electronic signature: what the law and the math each mean](https://chaindoc.io/md/locales/en/blog/articles/digital-signature-vs-electronic-signature.md): Digital signature vs electronic signature: one is a legal category, the other a PKI method. Compare them side by side and see which one your… - [Is DocuSign legally binding? What its own records prove, and where the law stops](https://chaindoc.io/md/locales/en/blog/articles/is-docusign-legally-binding.md): Is DocuSign legally binding? Yes, under ESIGN, UETA and eIDAS. See what its Certificate of Completion proves in court and which papers still need ink. - [Contract management process: a guide for SMBs | Chaindoc](https://chaindoc.io/md/locales/en/blog/articles/contract-management-guide.md): The contract management process in eight steps, with the US law that decides whether a contract holds and a 90-day plan to stop missing renewals. - [Types of Business Contracts: A US Legal Guide | Chaindoc](https://chaindoc.io/md/locales/en/blog/articles/types-of-contracts.md): Types of business contracts explained: bilateral, express, void and adhesion, the 13 agreements US companies sign, and which of them need a signed writing. ## Key Facts - Product: Chaindoc — e-signature, payments and KYC platform - Core capabilities: e-signature, document verification, payment integration, KYC, blockchain audit trail - Compliance: eIDAS (SES/AES/QES tiers), GDPR, ESIGN Act, UETA, NIST guidelines - Certifications: ISO 27001, ISO 9001 — independently audited - Target users: IT companies, freelancers, healthcare, insurance, real estate, finance teams - Integrations: Stripe (payments), Sumsub (KYC identity verification), SKALE Network (blockchain anchoring), Pipedrive CRM - Languages served: 5 locales — en, de, fr, es, pt - Free tier: 5 signatures per month with 100 MB storage ## Contact - Website: https://chaindoc.io - Email: support@chaindoc.io - App: https://app.chaindoc.io - Machine-readable pricing: https://chaindoc.io/pricing.md - Full content dump: https://chaindoc.io/llms-full.txt - Localized versions: https://chaindoc.io/md/locales/de/llms.txt, https://chaindoc.io/md/locales/fr/llms.txt, https://chaindoc.io/md/locales/es/llms.txt, https://chaindoc.io/md/locales/pt/llms.txt