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Legally Valid Electronic Signature

Sign Your Contracts
Digitally & Securely

Create contracts, send to signers, collect electronic signatures and generate legal evidence packages. Compliant with Turkish law, secure and fast.

3
Signature Methods
SHA-256
Document Hash
19+
Ready Templates
%100
Turkish Law Compliant
Features

Everything in One Platform

From contract creation to signature collection, evidence generation to archiving.

📝

Template System

19+ ready sector templates. Dynamic content with variable fields. Add your own templates.

✍️

3 Signature Methods

Draw signature, type signature or clickwrap. Mobile-friendly, works on any device.

📱

SMS Verification

SMS OTP verification. Signer identity confirmed with one-time code. Brute-force protection.

🔒

Audit Trail

SHA-256 hash-chained, immutable logging system. Every action logged with IP, device, browser info.

📄

PDF & Evidence Package

Original, signed and evidence package PDFs generated automatically. Hash-verified integrity check.

Timestamp Authority

Optional RFC 3161 compliant timestamp integration. Enhances legal evidence strength.

📊

Analytics & Reporting

Monthly trend charts, conversion rate, signing times. CSV evidence report export.

🔗

Webhook & API

Automatic notification to external systems when signing completes. HMAC-SHA256 signed webhooks.

👥

Multi-Signer & CC

Sequential signing support. Add CC/observer recipients. Bulk send capability.

How It Works?

Sign Contracts in 4 Steps

No complex processes. Select template, add signers, send, get signed.

Create Contract

Choose from templates or write your own content. Fill in variables.

Add Signers

Enter name, email, phone. Set signing order. Add CC recipients.

Send

Send signing invitation via email or SMS. Automatic reminders.

Sign & Archive

Signers sign via secure link. PDF, hash and evidence package auto-generated.

Security & Legal

100% Turkish Law Compliant

Advanced Electronic Signature + Evidence Package model gives your contracts legal evidence status.

⚖️

Electronic Signature Law No. 5070

Valid as discretionary evidence. Electronic signatures accepted under principle of freedom of form.

🔐

SHA-256 Hash Integrity

Every document hashed with SHA-256. Any post-signature tampering is instantly detected.

📋

Immutable Audit Trail

Hash-chained log chain. Each record contains previous record's hash. Deletion or modification impossible.

🛡️

GDPR / KVKK Compliant

Personal data protected under Law No. 6698. KVKK disclosure text shown on signing page.

🕐

TÜBİTAK Timestamp (RFC 3161)

Optional integration. Officially proves signature was made at a specific time.

📱

SMS OTP Identity Verification

One-time code sent to signer via SMS. Brute-force protection and rate limiting.

Templates

19+ Ready Professional Templates

Sector-specific, lawyer-approved contract templates. Start using immediately.

🏗️
Subcontractor Construction
🏠
Home Renovation
🧱
Material Supply
💅
Beauty Center
Laser Hair Removal Consent
💇
Membership Agreement
🏪
Commercial Lease
🤝
Sales Agreement
📑
Distance Sales
🔒
NDA / Confidentiality
👨‍💼
Employment Contract
💻
Freelance Service
Why Us?

Compared to Alternatives

Solutions with the same features are sold for tens of thousands. We offer sector-specific pricing.

Feature Radiacore Other Solutions
Sector-specific templates Partial
SMS identity verification
Timestamp authority Partial
Evidence package PDF Partial
Audit trail (hash-chain) Partial
Webhook integration
Contract versioning
CC / observer support Partial
Turkish law compliant
Setup fee Free Partial
Per-contract fee No
Sectors

Tailored for Every Sector

Contract infrastructure customized to your sector's needs.

🏗️

Construction

Subcontractor, renovation, supply contracts. Progress payments, safety clauses included.

💅

Beauty & Aesthetics

Service agreements, consent forms, memberships. KVKK consent, health declaration integrated.

🏢

Real Estate

Residential and commercial lease contracts. Inflation adjustment, deposit, termination clauses.

💻

Technology & Software

Freelance, development, NDA contracts. IP, delivery, acceptance clauses.

🏪

Retail & E-Commerce

Distance sales, product, dealership contracts. Consumer law compliant.

🤝

Consulting & Services

Consulting, partnership, power of attorney. Liability, confidentiality, payment plans.

FAQ

Frequently Asked

Is e-signature legally valid?

Yes. Under the Electronic Signature Law No. 5070, electronic signatures carry discretionary evidence status. Valid under the principle of freedom of form.

Which sectors can use it?

All sectors can use it. We have ready templates for construction, beauty, real estate, technology, retail, consulting and more.

Is SMS verification mandatory?

No, it is optional. However, it is recommended as an additional security layer. It enhances legal evidence strength by confirming signer identity via SMS.

How long are contracts stored?

Stored indefinitely. PDF, hash and evidence package remain in archive. You can access and export anytime.

Can I send contracts in bulk?

Yes. With API and bulk sending support, you can create and send multiple contracts simultaneously.

Get a Quote for Your Sector

Customized pricing based on your needs. No setup fee, no per-contract charge.