# Wyoming Secretary of State — Authentications

Wyoming Secretary of State — Authentications is an apostille authority in Cheyenne, Wyoming, United States.

The Wyoming Secretary of State issues apostilles for Wyoming public documents for use abroad. See the official page for what to send and the current fee.

## Details

- Address: Cheyenne, Wyoming, United States
- Website: [sos.wyo.gov/services/authentication.aspx](<https://sos.wyo.gov/services/authentication.aspx>)
- What this office covers: Apostilles for Wyoming public documents
- Source note: Wyoming Secretary of State apostille page. Official page, checked 2026-10-07.

## Questions

### Where is Wyoming Secretary of State — Authentications?

Wyoming Secretary of State — Authentications is at Cheyenne, Wyoming, United States.

### How do I contact Wyoming Secretary of State — Authentications?

To contact Wyoming Secretary of State — Authentications, visit https://sos.wyo.gov/services/authentication.aspx.

### Should I post my original document to Wyoming Secretary of State — Authentications?

Read the official page linked in the listing first. Many offices take documents by post, some see walk-ins, and a few take requests online. Never send an original you cannot replace until the office confirms what it needs.

## Source

From [HCCH Apostille Section: status table and authority records](https://www.hcch.net/en/instruments/conventions/status-table/?cid=41), license © HCCH 1951-2026. Plain facts restated (membership, office names and contact details); no open licence stated., checked 2026-10-07.

Last updated October 7, 2026.

## Links

- This apostille authority on the [web page](<https://apostilles.fyi/us/wyoming/cheyenne/wyoming-secretary-of-state-authentications>)
- [State and regional apostille offices in Cheyenne](<https://apostilles.fyi/us/wyoming/cheyenne/category/regional-apostille-offices.md>)
- [Apostille offices in Cheyenne](<https://apostilles.fyi/us/wyoming/cheyenne/category/apostille-offices.md>)
- [More apostille authorities in Cheyenne](<https://apostilles.fyi/us/wyoming/cheyenne.md>)

> **Not legal advice.** Apostille Finder lists the government offices that issue apostilles and what their official pages state. It is not legal advice, and rules, hours and fees change. Confirm every detail on the official page linked in each listing before you send a document. The source note on each record shows when we last checked it. To report a mistake, write to hello@apostilles.fyi.