DOCUMENT INFRASTRUCTURE FOR MODERN TEAMS

Agreements that hold.

Pacta is the document signing platform built for teams that take agreements seriously. eIDAS-grade cryptographic signatures, long-term verifiability, a developer-first API, and the compliance posture your auditors will sign off on — without the legacy enterprise sticker shock.

Get started free See the API

Trusted infrastructure, end to end

eIDAS Advanced electronic signatures
CAdES PKCS#7 cryptographic envelope
TSA + LTV Time-stamped, long-term verifiable
AES-256 Encryption at rest, TLS 1.3 in transit
GDPR-aligned Lawful processing & data minimization
SOC 2 Type II audit in progress

Why Pacta

Five reasons teams choose Pacta.

Legacy e-signature tools were built for paper-based workflows moved online. Pacta was built for the next decade — cryptographic, AI-native, and engineered for the industries where contracts actually carry weight.

Cryptographic, not just legal.

eIDAS Advanced Electronic Signatures with Long-Term Validation and Time-Stamping. Your signed documents stay verifiable for decades — and hold up in courts that demand more than "they clicked a button."

Signature verified
Valid

Signed by

Pacta Demo Signer

demo@pacta.ink

Timestamp
2026-05-11 09:32 UTC
Algorithm
RSA-SHA256
Doc hash
a8f3 · 7c4e · b912 · e4d2
  • eIDAS AES compliant
  • LTV enabled · good through 2046
  • TSA timestamped · DigiCert RFC 3161
  • Certificate chain validated
eIDAS AES CAdES / PKCS#7 TSA + LTV AES-256

Built for regulated industries.

Fintech, healthcare, lending, and compliance-heavy B2B. CFR21 Part 11, HIPAA, and embedded audit trails out of the box on Business — no enterprise upcharge.

AI that drafts the doc.

Describe a deal in plain English. Pacta drafts the contract, places signature fields automatically, and answers signer questions during review. Built in on Pro and Business.

Mobile-first create-and-send.

Native iOS app shipping Q4 2026 — voice, camera, and AI in your pocket. Send contracts from your phone. Sign agreements on the go. Legacy tools only do sign-only on mobile.

Public code, hosted convenience.

Pacta is AGPL — audit the codebase, run it yourself if your compliance demands it, or pay us to operate it for you. Transparency that proprietary vendors structurally cannot match.

Product

Everything you need to ship agreements at scale.

Pacta replaces the patchwork of e-signature tools, audit spreadsheets, and brittle integrations with one platform that does the whole job — and a clean API to wire it into yours.

Cryptographic signatures

Every signature is a CAdES / PKCS#7 cryptographic envelope, not a JPEG of someone's name. Pair with a Time Stamp Authority and Long-Term Validation, and signatures stay verifiable for decades — even after issuing certificates expire.

AI-assisted contracts

Draft contracts from a plain-English brief. Drop a PDF and AI places signature fields for you. Signers can ask what each clause means without leaving the document. Built into the signing experience — not bolted on. Available on Pro and Business.

Q4 2026

Native iOS app

Voice-to-contract drafting, camera-based field detection, push notifications, and on-the-go eIDAS signing — all from your phone. The first e-signature platform built mobile-first, not mobile-as-an-afterthought.

Smart templates

Convert your master agreements once. Reusable templates with form fields (signature, initials, text, date, checkbox, dropdown), conditional sections, and recipient-aware variables. Version-controlled so the right template ships every time.

Multi-party workflows

Sequential, parallel, or hybrid signing orders. Approvers, observers, and CC recipients with distinct permissions. Auto-reminders, deadlines, and decline-with-reason flows — wired into the same audit trail.

Embedded signing

Drop the signing experience directly into your product with a few lines of code. White-labeled iframe or our React SDK, presigned tokens, full event hooks. Your customers never leave your domain.

Per-tenant branding

Each team or business unit ships its own logo, sender domain, footer, and signing-page theme. White-label without the enterprise upcharge — and without forking. Configure from the admin UI in two minutes.

Immutable audit trails

Every view, signature, field change, and recipient action is recorded with timestamp, IP, and authenticated identity. The audit certificate is embedded in the signed PDF — not stored separately to be lost.

Developers

Built API-first, not API-also.

Every product surface in Pacta is built on the same public API that you use. No internal-only endpoints, no second-class SDK. Ship signing into your app in an afternoon.

REST + JSON

A clean, versioned REST API. Predictable resources, idempotent retries, cursor-paginated lists, structured error envelopes.

Per-team API tokens

Scoped tokens by team, environment, and permission. Rotate without downtime. Usage logged on every request.

Webhooks for everything

document.sent, document.viewed, document.signed, document.completed, document.declined — fanout with HMAC signatures and at-least-once delivery.

Embedded signing

Drop signing into your product with presigned recipient tokens. Fully white-labeled, full event hooks back to your app.

Get an API key Read the docs
POST /api/v2/documents 
// Send a contract for signature
const res = await fetch(API_URL, {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${API_KEY}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    title: 'Master Service Agreement',
    templateId: 'tpl_msa_v3',
    recipients: [{
      name: 'Jane Smith',
      email: 'jane@acme.co',
      role: 'SIGNER',
    }],
  }),
});

const { documentId } = await res.json();
POST

webhook.received → document.completed delivers the signed PDF, audit certificate, and recipient field values to your endpoint with HMAC-SHA256 signature verification.

Use cases

Built for the documents that actually matter.

Fintech

Lending agreements that close in minutes, not days.

Loan agreements, FRPAs, KYC packets, vendor disclosures. Wire signing into your underwriting pipeline so funded contracts go from approval to executed in a single API call. Per-merchant branding keeps your borrower experience on-brand.

  • Per-tenant white-label for partner originators
  • Webhook events into your loan management system
  • Audit trail your auditors actually accept
Hospitality

Vendor onboarding without the email chains.

Hotel partnership agreements, supplier contracts, multi-property NDAs — all routed through reusable templates with pre-filled tenant data. Multi-language support for cross-border deals.

  • Multi-party sequential workflows
  • Reusable templates per property or partner type
  • Mobile-first signing for field teams
Operations

Internal documents your team will actually use.

NDAs, MSAs, contractor agreements, internal sign-offs. Replace the DocuSign sprawl with one platform your ops team controls — and your finance team approves.

  • Bulk send for company-wide documents
  • Scheduled reminders and decline-with-reason flows
  • Cost predictable across the org, not per-seat
HR & People

Offer letters out the door the same hour.

Offer letters, employment agreements, equity grants, onboarding paperwork. Templated, branded, and routed to the right approver chain — without HR spending an afternoon on every hire.

  • Conditional fields based on role, location, salary band
  • Signed PDF auto-filed to your HRIS via webhook
  • Compliant audit trail for employment law review
Coming Q4 2026

Your phone is the office.

Pacta for iOS turns voice, camera, and AI into a contract operations center in your pocket. Two ways to start a deal. One signature to finish it.

01 · Voice drafting

Talk it. Pacta drafts it.

Describe a deal in plain English. Pacta drafts the contract — proper legal structure, signature fields placed, parties filled in. Hit send before you've finished your coffee. Hands-free via Siri, mid-meeting via dictation, or just for the inbox-zero of contract work.

  • Natural-language drafting in 60+ languages
  • "Hey Siri, draft an offer for Jamie" — hands-free
  • Handoff to Mac to keep working on a bigger screen

02 · Scan & sign

Scan it. AI gets it.

Snap a contract in the wild — vendor agreements slid across a desk, MSAs handed over at lunch, NDAs printed for a partner meeting. AI extracts the terms, summarizes the obligations in plain English, and walks you straight to where you sign. Faxes, scanners, and "I'll get back to you Monday" — gone.

  • Edge-detection scanning, multi-page support
  • AI summary in plain English — parties, dates, obligations
  • Face ID signing — eIDAS-grade biometric identity

And then some

Native iOS, all the way down.

Pacta isn't a web app in a wrapper. It uses every iOS capability that makes contract work feel native — not just possible.

Face ID signing

Biometric identity verification baked into every signature. eIDAS-grade signer auth with no SMS code, no password, no fraud surface.

Push notifications

The instant a contract is signed, viewed, or declined. Stop refreshing your inbox waiting for movement.

Live Activities

Multi-party signing status on your lock screen and Dynamic Island. Watch the deal close in real time.

Offline drafting

Work on planes, in tunnels, anywhere off-grid. Pacta drafts locally and syncs cleanly when you reconnect.

Siri shortcuts

"Hey Siri, send the MSA to Jane." Hands-free contract operations from CarPlay, AirPods, or your wrist.

Handoff to Mac

Start a draft on your phone, finish it on your Mac without a single export. iCloud syncs every keystroke.

Get notified when iOS ships

Security & Compliance

Built so your auditors sign off, not push back.

Pacta is engineered for the same scrutiny that fintech, health, and regulated industries apply to their core production systems. Below is the actual surface — no marketing-flavored vagueness.

eIDAS Advanced Electronic Signatures

Signatures are uniquely linked to and identify the signer, are created with sole-control means, and are bound to the document such that any tampering is detectable. Same legal weight as ink in the EU, UK, and most major jurisdictions.

CAdES / PKCS#7 cryptographic envelope

Signed documents are wrapped in the IETF-standardized signature format, embedding the signer certificate chain, signing time, and document hash inside the PDF itself.

Long-Term Validation (LTV)

OCSP and CRL revocation data is captured and embedded at signing time. Documents stay verifiable decades later — even after the issuing CA goes offline or certificates expire.

Time Stamp Authority (TSA) integration

RFC 3161 trusted timestamps from configurable TSA endpoints, anchoring every signature to a verifiable point in time independent of system clocks.

AES-256-GCM encryption at rest

Every document and PII payload encrypted with authenticated encryption. Key rotation supported. TLS 1.3 enforced for all client and webhook traffic.

Granular RBAC + scoped API tokens

Per-team and per-organization roles, scoped API tokens with permission boundaries, recipient-level access controls. SAML / OIDC SSO available on the Enterprise tier.

Immutable audit certificates

Every action is recorded with timestamp, source IP, user agent, and authenticated identity. The audit log is embedded in the final PDF — not stored separately to be lost or forged.

Compliance posture

GDPR-aligned data handling. SOC 2 Type II audit in progress. AATL trust anchor pathway available. HIPAA Business Associate Agreement on the Enterprise tier (roadmap).

eIDAS CAdES PKCS#7 TLS 1.3 AES-256 GDPR SOC 2 (in audit)

Pricing

Pricing built for every stage.

Transparent tiers, no surprise per-envelope fees, no procurement gauntlet to scale up. Annual saves you 17% — that's two months free.

Monthly Annual — save 17%

Free

$0 $0

forever forever

For individuals testing the platform.

  • 5 documents per month
  • 1 user
  • Email-based signing
  • Standard audit trail
  • Community support
Get started

Pro

$35 $350

/ month / year Save $70 vs monthly

For small teams shipping agreements weekly.

  • 100 documents per month
  • Up to 5 team members
  • Custom branding + email domain
  • AI-assisted contract drafting
  • Webhook events
  • Standard support (24h)
Start Pro
Most popular

Business

$199 $1,990

/ month / year Save $398 vs monthly

For growing teams with developers in the loop.

  • Unlimited documents
  • Up to 10 team members
  • CFR21 + HIPAA compliance
  • Full AI features
  • Embedded signing + REST API
  • Bulk send + multi-party workflows
  • Priority support (4h)
Start Business

Enterprise

Custom Custom

tailored to scale tailored to scale

For regulated industries and global rollouts.

  • Everything in Business
  • SAML / OIDC SSO
  • Unlimited team members
  • White-label signing experience
  • Custom SLA + dedicated CSM
  • SOC 2 documentation package
  • On-premise deployment option
Talk to sales

All plans include eIDAS-grade signatures, immutable audit trails, AES-256 encryption, and the same security posture. The difference is volume, branding, AI, API access, and support.

Ship your first contract this afternoon.

Stand up your team, pull in your master agreement, send your first signed PDF in under ten minutes. No procurement call, no sales gauntlet, no per-envelope nickel-and-diming.

Get started free Talk to sales