WA E-Signature API
ClosingSignIQ in Washington
Embed legally binding e-signatures in your Washington application. Every signed document sealed with an X.509 digital certificate from our Certificate Authority. Washington has adopted UETA. ESIGN Act compliant. $0 per-envelope cost.
WA E-Signature Law
Electronic signatures are legally binding in Washington.
ESIGN Act
Federal Law (2000)
15 USC §7001. Electronic signatures have the same legal effect as wet-ink signatures in all 50 states.
UETA Status
Washington has adopted UETA
Washington adopted the Uniform Electronic Transactions Act, providing state-level recognition of electronic signatures.
Remote Notarization
Legal since 2020
Washington permits Remote Online Notarization (RON). Revised Code of Washington Chapter 42.45 (Uniform Unsworn Declarations Act / RULONA)
Notary Fee Cap
$10 per notarial act
ClosingSignIQ e-signatures are $5/envelope (Pay-Go) or FREE on Pro+, regardless of state. Notarization fees follow state law.
WA Documents
Common Washington documents for e-signature.
Real estate deeds
Business formation documents
Powers of attorney
International trade documents
Technology company agreements
Key Washington industries using ClosingSignIQ:
Technology (Microsoft, Amazon, Boeing)AerospaceInternational tradeAgriculture
Washington
E-signatures where Washington does business.
Video by Kelly on Pexels
Integration
Add e-signatures to your Washington app in minutes.
your-washington-app/api/sign.ts
// Send a real estate deeds for e-signature in Washington
const envelope = await fetch('https://closingiq.app/api/v1/signing/envelopes', {
method: 'POST',
headers: { 'X-API-KEY': process.env.CLOSINGSIGNIQ_KEY, 'Content-Type': 'application/json' },
body: JSON.stringify({
title: 'Real estate deeds — Washington',
signers: [{ name: 'Signer Name', email: '[email protected]' }],
}),
});
// X.509 certificate + SHA-256 audit trail included automaticallyAPI Pricing
Start free. Scale in any state.
Free
$0
5 envelopes/month
- ✓ API + OAuth
- ✓ Audit trail
- ✓ Email notifications
Starter
$29/mo
50 included, then $0.50
- ✓ Embedded signing
- ✓ X.509 certificate
- ✓ Webhooks
Growth
$79/mo
250 included, then $0.35
- ✓ White-label
- ✓ our CA certs
- ✓ SMS notifications
Scale
$199/mo
1,000 included, then $0.25
- ✓ Full white-label
- ✓ Templates API
- ✓ 99.9% SLA
WA Cities
ClosingSignIQ API in Washington cities.
FAQ
E-signature API questions for Washington.
Is remote online notarization legal in Washington?
Yes. Washington enacted RON through its adoption of RULONA in 2020. Notaries must complete training and register as electronic notaries with the Department of Licensing. Additionally, ClosingSignIQ provides X.509 digital certificates from our Certificate Authority and SHA-256 hash-chained audit trails for every signature.
What is the notary fee cap in Washington?
Washington allows notaries to charge up to $10 per notarial act for both in-person and remote notarizations. Additionally, ClosingSignIQ provides X.509 digital certificates from our Certificate Authority and SHA-256 hash-chained audit trails for every signature.
How do I get an apostille in Washington?
Submit your document to the Washington Secretary of State with a $15 fee. Walk-in service is available in Olympia. Mail processing takes 5-7 business days. Additionally, ClosingSignIQ provides X.509 digital certificates from our Certificate Authority and SHA-256 hash-chained audit trails for every signature.
Is RON used in Washington's tech industry?
Yes. Seattle is home to Amazon, Microsoft, and many other tech companies. RON is widely used for corporate agreements, employment documents, stock options, and international business filings. Additionally, ClosingSignIQ provides X.509 digital certificates from our Certificate Authority and SHA-256 hash-chained audit trails for every signature.
Can international trade documents be notarized via RON in Washington?
Yes. Washington's ports handle massive international trade volumes, and RON is used for customs documents, import/export agreements, and trade contracts that require notarization. Additionally, ClosingSignIQ provides X.509 digital certificates from our Certificate Authority and SHA-256 hash-chained audit trails for every signature.
Can I use an interpreter during notarization in Washington?
No. Washington operates under the doctrine of direct communication, which requires the notary to communicate directly with the signer in a shared language. Third-party interpreters are not authorized for the notarial ceremony. If you need language assistance, your session can be routed to one of the six states that permit interpreters (AZ, CO, FL, MS, NC, PA). ClosingIQ offers 189-language document translation. Additionally, ClosingSignIQ provides X.509 digital certificates from our Certificate Authority and SHA-256 hash-chained audit trails for every signature.
What makes ClosingSignIQ different from DocuSign or BoldSign?
ClosingSignIQ is the only e-signature API with built-in AI document scanning and X.509 digital certificates from our Certificate Authority. Every signature includes a SHA-256 hash-chained audit trail. Plus, our API costs 80% less than DocuSign with $0 per-envelope infrastructure costs.
Other States
ClosingSignIQ API is available in all 50 states.
Ship e-signatures in Washington today.
Free tier. X.509 certificates. SHA-256 audit trail. ESIGN Act + Washington UETA compliant.