# 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: Draw or Type a Signature | Chaindoc](https://chaindoc.io/md/locales/en/pages/signature-generator.md): Signature generator: draw your signature or type your name, then download it as a transparent signature PNG. Sign a real document and get an audit… - [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. Works on Aadhaar eSign and DSC files: integrity, chain, revocation, timestamps. - [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: €9/mo Flat, No Per-Seat Fees | Chaindoc](https://chaindoc.io/md/locales/en/pages/docusign-alternative.md): Chaindoc is a cheaper alternative to DocuSign: from €9/mo instead of €39 per user, with KYC, contract payments and a blockchain audit trail built in. - [PandaDoc Alternative Without the CRM Overhead | Chaindoc](https://chaindoc.io/md/locales/en/pages/pandadoc-alternative.md): Chaindoc is a PandaDoc alternative for teams that want clean e-signature: built-in KYC, Stripe payments and a blockchain audit trail, no sales-CRM overhead. - [Adobe Sign Alternative: No Acrobat Subscription | Chaindoc](https://chaindoc.io/md/locales/en/pages/adobe-sign-alternative.md): Adobe Sign alternative that works without an Acrobat subscription or Adobe ID. Built-in KYC, contract payments, blockchain audit trail, no transaction cap. - [HelloSign & Dropbox Sign Alternative with KYC | Chaindoc](https://chaindoc.io/md/locales/en/pages/hellosign-alternative.md): HelloSign (Dropbox Sign) alternative with built-in KYC, native payment collection, and a blockchain audit trail. eIDAS Article 26 (AES), real free tier. - [SignNow Alternative with KYC & Payments | Chaindoc](https://chaindoc.io/md/locales/en/pages/signnow-alternative.md): Looking for a SignNow alternative? Chaindoc bundles e-signature, KYC, contract payments and a blockchain audit trail in one workflow. eIDAS Article 26 AES. - [Yousign Alternative — eIDAS AES, KYC, Blockchain | Chaindoc](https://chaindoc.io/md/locales/en/pages/yousign-alternative.md): Yousign alternative built for EU teams: eIDAS Article 26 AES, KYC, contract payments and a blockchain audit trail in one workflow. ## Resources - [Best Digital Signature & E-Signature Software in 2026: Complete Buyer's Guide](https://chaindoc.io/md/locales/en/blog/articles/digital-signature-software-buyers-guide-2026.md): E-signature software compared for small teams: what each tier actually costs at 3 and 10 seats, which features are gated, and when the free plan… - [Digital Signature Compliance: eIDAS & GDPR Guide | Chaindoc](https://chaindoc.io/md/locales/en/blog/articles/digital-signature-compliance-eidias-gdpr-nist.md): Digital signature compliance explained: eIDAS SES/AES/QES tiers, GDPR duties, NIST SP 800-63 assurance levels and the ESIGN Act, with what each one requires. - [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 It Records | Chaindoc](https://chaindoc.io/md/locales/en/blog/articles/audit-trail-compliance-guide.md): An electronic signature audit trail records who signed, when and from where, and proves nothing changed after. The required fields and what makes it admissible. - [MCP Server for E-Signature: AI Agents for Contracts | Chaindoc](https://chaindoc.io/md/locales/en/blog/articles/mcp-server-e-signature-ai-agents.md): The Chaindoc MCP server lets any AI assistant create, send and verify contracts. What an MCP server is, what it does, and how to connect… - [DocuSign Pricing Explained: What It Really Costs in 2026](https://chaindoc.io/md/locales/en/blog/articles/docusign-pricing-explained-2026.md): DocuSign pricing in 2026 broken down plan by plan: Personal, Standard, Business Pro, Enterprise, plus envelope limits, hidden fees, and cheaper alternatives. - [How to Sign a PDF: Every Method for Mac, Windows, Phone, and Free Online](https://chaindoc.io/md/locales/en/blog/articles/how-to-sign-a-pdf.md): How to sign a PDF on Mac, Windows, iPhone, Android, or free online, no Adobe required. Compare methods and check if e-signatures are legally binding. - [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… - [The Independent Contractor Agreement Template That Actually Holds Up](https://chaindoc.io/md/locales/en/blog/articles/independent-contractor-agreement-template-guide.md): Get a clause-by-clause independent contractor agreement template with sample wording, IP assignment language, and the 1099 vs W-2 classification trap to avoid. - [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 compared for 2026: pricing, envelope caps, features, API, compliance, and real user reviews. See which one actually fits your team. - [The Free NDA Template That Actually Holds Up in Court](https://chaindoc.io/md/locales/en/blog/articles/nda-template-guide.md): Get a free NDA template with every clause explained, real sample wording, a mutual vs one-way comparison, and what makes an NDA unenforceable in court. - [PandaDoc vs DocuSign 2026: Pricing & Features | Chaindoc](https://chaindoc.io/md/locales/en/blog/articles/pandadoc-vs-docusign.md): PandaDoc vs DocuSign compared for 2026: pricing, bundled features, plus SignNow and Dropbox Sign. See which e-signature tool actually fits your budget. - [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… - [The Developer's Guide to Choosing an E-Signature API](https://chaindoc.io/md/locales/en/blog/articles/esignature-api-guide.md): Compare esignature api pricing models, embedded vs. remote signing, and webhook reliability, then see how Chaindoc compares as a DocuSign API alternative. - [The Plain-English Guide to eIDAS 2.0 and the EU Digital Identity Wallet](https://chaindoc.io/md/locales/en/blog/articles/eidas-2-0-esignatures-guide.md): eIDAS 2.0 explained: what changes, the EU Digital Identity Wallet, key deadlines, and what it means for e-signatures. See how Chaindoc keeps you compliant. - [Difference Between Digital and Electronic Signature](https://chaindoc.io/md/locales/en/blog/articles/digital-signature-vs-electronic-signature.md): The difference between digital signature and electronic signature: one names a legal act, the other names PKI. Includes India's DSC and Aadhaar eSign split. - [Is DocuSign Legally Binding? The Straight Answer | Chaindoc](https://chaindoc.io/md/locales/en/blog/articles/is-docusign-legally-binding.md): Is DocuSign legally binding? Yes, under ESIGN and UETA if four conditions are met. See the exclusion list, court evidence, and how to make signatures… ## 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