Know They Own It.
Your customers sign a message with their wallet. We verify the signature. You get a PDF you can actually show an auditor. Done in under a minute.
No credit card required
BIP-137
Open Source
AES-256
You're emailing customers for screenshots. They're sending edited images. You're forwarding threads to compliance. And when the auditor asks, you're digging through folders. Sound familiar?
Under 60 Seconds
< 60s — customer signs, you verify. That's it.
Auditor-Ready
PDF reports with timestamps and cryptographic proof.
Keys Stay Put
We verify signatures. We never touch private keys.
One API Call
POST to /verify. Get a result. Ship it.
How It Works
Verify Bitcoin ownership in four simple steps
Create Request
Submit a verification request with the Bitcoin address and amount
Customer Signs
Your customer signs a challenge message with their Bitcoin wallet
Instant Verification
We cryptographically verify the signature proves ownership
Download Report
Get a tamper-evident PDF report with verification proof
For Lenders & Brokers
Bank statements prove fiat. Brokerage statements prove stocks. What proves Bitcoin?
A signed message from their wallet. That's what we verify. Your analysts get a timestamped PDF they can actually show an auditor.
Compliance-ready verification for regulated institutions
Timestamped PDF reports with cryptographic proof
Under 60 seconds from request to verified report
BIP-137 standard — wallets already support it
Why VerifyBTC?
See how automated verification compares to manual processes
Without VerifyBTC
~1 hour to verify
Email chains and manual review
Screenshots (fakeable)
No cryptographic proof
Email threads as audit trail
Scattered, hard to find
One at a time
Doesn't scale
High risk of human error
Not tamper-proof
With VerifyBTC
Under 1 minute
Automated verification
Cryptographic signature
BIP-137 standard
Timestamped PDF report
Auditor-ready documentation
Unlimited via API
Scale to thousands
Human error eliminated
SHA-256 tamper-proof
Verification Reports
Each verification produces a tamper-evident PDF report
Each report includes:
Address verified via BIP-137 signature
Proof-of-control signature & timestamp
Current BTC balance from blockchain
Blockchain confirmations count
Unique verification ID & SHA-256 hash
Downloadable PDF
or
API webhook
VerifyBTC
Verification Report
Bitcoin Ownership Verification
Verification ID
VER-2026-00142
Address
bc1q...7f2k
Balance Verified
2.5000 BTC
Timestamp
2026-02-16 10:30 UTC
Address ownership verified via BIP-137
On-chain balance confirmed
Signature cryptographically valid
Report hash: SHA-256
Generated by VerifyBTC — verifybitcoin.io
Built for Teams
Collaborate with your team on Bitcoin verifications with role-based access and shared dashboards
Invite Your Team
Add team members with role-based access. Control who can create, view, and manage verifications.
Organization Dashboard
Shared workspace for your team. All verifications in one place with activity tracking.
Flexible Seat Plans
Scale from solo to enterprise. Free (1 seat), Starter (3), Pro (10), Enterprise (50+).
Security & Trust
No Private Key Access
We never access private keys or move coins. Verification uses message signing only.
Enterprise Encryption
All data encrypted at rest and in transit (AES-256, TLS 1.3).
Open Source
Fully auditable code. Verify it yourself.
No Tracking
No analytics, no marketing cookies, no third-party trackers. Essential cookies only.
Built on Bitcoin's Own Security
No proprietary magic. Just standards that wallets already trust.
BIP-137 Signatures
The same standard wallets use. Not proprietary magic.
On-Chain Balance Check
We query the blockchain directly. No third-party APIs in between.
Tamper-Evident Reports
SHA-256 hash on every PDF. Change one byte, the hash breaks.
Manual: 30-60 min of emails
VerifyBTC: Sign, verify, done.
Developer Friendly
Simple REST API
Integrate Bitcoin verification into your platform with just a few lines of code
Terminal
# Create a verification request
curl -X POST https://api.verifybitcoin.io/api/verifications \
-H "X-API-Key: your_api_key" \
-d '{"bitcoin_address": "bc1q...", "amount_satoshis": 150000000}'
# Response
{
"id": "ver_abc123",
"status": "pending",
"verification_url": "https://app.verifybitcoin.io/verify/abc123"
}
Real-Time Notifications
Webhooks for Instant Updates
Get notified instantly when verifications complete. Integrate seamlessly with your existing systems.
Instant delivery when status changes
Integrate with any system via HTTP
Webhook Payload
{
"event": "verification.completed",
"verification_id": "ver_abc123",
"status": "verified",
"bitcoin_address": "bc1q...",
"amount_satoshis": 150000000,
"timestamp": "2026-02-16T10:30:00Z"
}