Apostille Pro USA
Get GuideStatesExpeditedToolsAboutGet Started
Apostille DIY

Apostille Pro USA is an independent, authoritative publisher of document authentication guides. We specialize in step-by-step DIY resources for securing Secretary of State apostilles and federal US Department of State legalizations under Hague Convention standards.

Secure SSL Encryption
100% Hague Compliant

State Guides

  • California Apostille Guide
  • New York Apostille Guide
  • Texas Apostille Guide
  • Florida Apostille Guide
  • Illinois Apostille Guide
  • New Jersey Apostille Guide
  • View All 50 States →

Expedited Services

  • California Expedited
  • New York Expedited
  • Texas Expedited
  • Florida Expedited
  • Illinois Expedited
  • All Expedited Options →

Document Guides

  • Birth Certificate Apostille
  • Marriage Certificate Apostille
  • Death Certificate Apostille
  • Diploma & Transcripts
  • FBI Background Check
  • Power of Attorney Apostille
  • View All Documents →

Tools & Authorship

  • Editorial Board
  • Amelia Rivera, Senior Editor
  • James Thompson, Legal Affairs
  • Sarah Chen, Verification Lead
  • Calculators & Help
  • Apostille Fee Calculator
  • Apostille Serial Validator
  • Help & FAQs
support@apostilleprousa.com|San Francisco, CA • Austin, TX • New York, NY

© 2026 Apostille Pro USA. Apostille Pro USA is an independent publisher of notary, document legalization, and apostille guidebooks. We are not a government agency, Secretary of State office, or embassy.

About Us•Contact•Privacy Policy•Terms of Service
TX
Texas

Texas Apostille Service

Step-by-step guides for every document type. Current fees, forms, and official addresses.

State Fee

$15

Processing Time

official: up to 25 business days (real-world backlogs may be longer)

State Office

(512) 463-5705

Available Documents

Select your document type to view the complete Texas apostille guide

Birth Certificate

Complete guide with fees, forms, and mailing instructions for Texas

Marriage Certificate

Complete guide with fees, forms, and mailing instructions for Texas

Educational Diploma

Complete guide with fees, forms, and mailing instructions for Texas

Death Certificate

Complete guide with fees, forms, and mailing instructions for Texas

Power of Attorney

Complete guide with fees, forms, and mailing instructions for Texas

FBI / Background Check

Complete guide with fees, forms, and mailing instructions for Texas

Single Status Affidavit

Complete guide with fees, forms, and mailing instructions for Texas

Before You Start

  • • Choose your document above to see exact Texas requirements
  • • All guides include current fees, forms, and official mailing addresses
  • • Verify your document is certified before requesting an apostille
Contact Information
Official Texas apostille office

Mailing Address

Authentications Unit, Secretary of State, P.O. Box 13550
Austin, TX 78711-3550

Phone

(512) 463-5705

Email

authentications@sos.texas.gov

Hours

Mon–Fri 8:30 AM–5:00 PM (Authentications phone 9–12, 1–4)

Visit Official Website