Oklahoma Apostille

Oklahoma Secretary of State apostilles documents issued, recorded or notarized in Oklahoma, for $25 per notarial act or certified document ($10 per apostille for international adoption proceedings). Pick the document and the country to see what it needs first and how to send it. This runs in your browser and stores nothing.

Oklahoma office checked against official sources on October 24, 2026.

This runs in your browser. Nothing you pick is sent, saved or added to the page address.

Pick the state where the document was issued, recorded or notarized, not the state you live in.

Choose who issued the document, the kind of document and the country to see the steps.

Who issues apostilles in Oklahoma

Apostilles and authentication certificates for documents issued in Oklahoma come from Oklahoma Secretary of State (Certification Department). Official page

Fees

  • Apostille: $25 per notarial act or certified document ($10 per apostille for international adoption proceedings). (source)
  • Authentication (for countries outside the Apostille Convention): $20 per notarial act, certified document or international adoption proceeding. (source)
  • International adoption rate for an apostille, instead of $25: $10 (source)

How to send a request

  • By mail (Oklahoma City): mail the documents with a cover letter naming the destination country and a phone number or email, and payment by certified cashier's check, money order or business check payable to the Oklahoma Secretary of State (no personal checks) (source)
  • In person (Oklahoma City): walk-in, Monday to Friday 8:00 a.m. to 4:30 p.m.; card payments carry a 4% convenience fee and require identification (source)
  • Request form: Apostille/Authentication Service form (may be used in place of a cover letter when mailing)
  • The request must name the country where the document will be used.

Processing time, as the office states it:

  • Mailed requests typically take 1 to 2 business days to process, then are returned by mail; this can vary with volume. (source)
  • In person, processing takes about 10 to 15 minutes per document, depending on volume and the line. (source)
  • Card payments carry a 4% convenience fee and you must show identification. (source)
  • No appointment is needed for in-person service; complete the receipt form at the Apostille window in the lobby. (source)

What Oklahoma needs first, by document

Birth, death or marriage certificate

  • For a certified copy of an Oklahoma birth certificate, contact the Oklahoma State Department of Health at (405) 426-8880, then send that certified copy. (source)
  • A marriage license must be dated within the past year; the page states no age limit for birth certificates. (source)

Court document (divorce decree, court order)

  • Divorce decrees and other court-certified documents must be dated within the past year. (source)
  • For a current certified copy, contact the County Court Clerk's office where the document was issued. (source)

Notarized document (power of attorney, affidavit, consent letter, translation)

  • Send the original notarized document; the page names no county step. (source)

School diploma or transcript

Oklahoma Secretary of State does not say on its page whether this kind of document needs a step first. Ask the office before you mail an original.

Other state-issued document (business certificate, state background check)

  • Send a certified copy of the recordable document issued by an Oklahoma statewide officer. (source)

Countries outside the Apostille Convention

For a country outside the Apostille Convention, Oklahoma Secretary of State issues its Authentication instead of an apostille. Then:

  • For a country outside the Convention, send the state-certified document to the U.S. Department of State, Office of Authentications, with Form DS-4194 and the $20 fee per document. (source)

Last, the destination country’s embassy or consulate in the United States legalizes it; ask it about its own steps, fees and timing before you send anything.

What the office will not accept or handle

  • Personal checks. (source)
  • Birth certificates, court documents or notarizations from another state. (source)

Checked against official sources on October 24, 2026.

What this page does not do

  • It does not file anything. Requests go to Oklahoma Secretary of State.
  • It does not cover documents from another state or a federal agency; those go to their own office.
  • It does not list embassy legalization rules for countries outside the Convention.
  • It does not promise processing times; fees and forms change, so check the office's page before you send originals.

Frequently Asked Questions

Where do I get an apostille in Oklahoma?

Oklahoma Secretary of State issues apostilles for documents issued, recorded or notarized in Oklahoma. The fee is $25 per notarial act or certified document ($10 per apostille for international adoption proceedings). Requests can be mailed to the office in Oklahoma City. The office also serves people in person; check its page for hours and any appointment rule before going.

How do I apostille a birth certificate from Oklahoma?

For a certified copy of an Oklahoma birth certificate, contact the Oklahoma State Department of Health at (405) 426-8880, then send that certified copy. A marriage license must be dated within the past year; the page states no age limit for birth certificates. Then send it to Oklahoma Secretary of State with the $25 fee, naming the destination country.

Does a document notarized in Oklahoma need a county clerk certification first?

Send the original notarized document; the page names no county step.

What if the country is not in the Apostille Convention?

Oklahoma Secretary of State issues its authentication instead of an apostille. Send it next to the U.S. Department of State, Office of Authentications (Form DS-4194, $20 per document); the destination country's embassy or consulate then legalizes it.

How do I get an apostille for an FBI background check?

An FBI Identity History Summary is a federal document, so a state office cannot apostille it. The U.S. Department of State, Office of Authentications handles it: send Form DS-4194, the document and the $20 fee per document. The form asks for the country where the document will be used.

Do I need a paid apostille service?

No. Every office on this page accepts requests directly from the public by mail, and some take them online. A service can only file the same request with the same office for you.

Sources

Oklahoma office checked against official sources on October 24, 2026.

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