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Apostille vs. authentication vs. notarization: what's the difference?
Four words get used as if they mean the same thing — notarization, certified copy, authentication, and apostille — and mixing them up is how people end up at the wrong office with the wrong document. They're actually four separate things that build on each other.
Here's what each one means in plain language, and how they fit together into a single process.
Key takeaways
- Notarization is the base act — a notary witnesses a signature.
- A certified copy proves a copy matches the original record.
- Authentication certifies that an official's signature and seal are genuine.
- An apostille is the single-certificate form of authentication for Hague countries.
The four terms, plainly
How they chain together
The trap with vital records
So which do you need?
Confused about which step you're on?
Tell us the document and where it's going — we'll confirm exactly what it needs, from notarization to apostille, and send a flat quote within one business day.
Frequently asked questions
Is an apostille the same as a notarization?+
No. Notarization is the underlying act — a notary verifies identity and witnesses a signature. An apostille comes later and certifies that the notary's (or other official's) signature and seal are genuine, so the document is accepted abroad. One is the signature step; the other authenticates it.
Is an apostille a type of authentication?+
Yes. Authentication is the general act of certifying that an official's signature and seal are genuine. An apostille is the single-certificate form of authentication used between Hague Convention countries; for non-members, authentication takes the form of a legalization chain instead.
What's a certified copy, and do I need one?+
A certified copy is an official true copy of a record. For vital records like birth or marriage certificates, the certified copy must come from the government office that holds it — a notary usually can't certify those. That certified copy is often the document that then gets apostilled.
Can a notary issue an apostille?+
No. A notary performs the notarization but does not issue apostilles or authentication certificates. Those come from a designated authority — a state Secretary of State for state documents, or the U.S. Department of State for federal ones.
Which do I actually need?+
It depends on the document and where it's going. Most documents are notarized or issued by a government office first, then apostilled — or legalized — for the destination country. Tell us the document and country and we'll confirm the exact steps.