Apostille vs notarization are two of the most commonly confused terms in document authentication. Both add legal validity to your documents, but they serve very different purposes – and using the wrong one can lead to rejected paperwork, wasted time, and missed deadlines.
The core distinction is straightforward: notarization verifies the identity of the person signing a document, while an Apostille certifies that a document is authentic for use in another country. Many documents require both, in sequence. This guide breaks down exactly how each process works, when you need one or both, and how NotaryPublic24 can handle the entire process online.
What Is Notarization?
Notarization is the process of having a Notary Public verify the identity of the person signing a document and confirm that the signature was made voluntarily. The Notary Public does not verify the content of the document itself – their role is to serve as an impartial witness and apply their official seal and signature as proof of authentication.
A notarized document typically includes:
- The signer’s identity verification (using a government-issued ID)
- The Notary Public’s official signature
- The Notary Public’s stamp or seal
- The date of notarization
Notarization is commonly required for documents such as affidavits, powers of attorney, contracts, statutory declarations, and certified copies of identification documents. In most cases, notarized documents are used domestically – within the country or jurisdiction where the Notary Public is authorized.
What Is an Apostille?
An Apostille is a certificate that authenticates the origin and legitimacy of a public document so it can be legally recognized in another country. The Apostille system was established by the Hague Convention of 1961, formally known as the Convention Abolishing the Requirement of Legalisation for Foreign Public Documents.
An Apostille confirms three things:
- The authenticity of the signature on the document
- The capacity in which the person signing acted
- The identity of the seal or stamp on the document
As of 2025, over 125 countries are members of the Hague Apostille Convention, including the United States, the United Kingdom, Canada, China, all EU member states, Australia, and Saudi Arabia. Documents with an Apostille are accepted across all member countries without further legalization.
For countries that are not members of the Hague Convention, a separate embassy or consular legalization process is typically required instead.
Apostille vs Notarization: The Key Differences
While both Apostille and notarization involve document authentication, they address different legal requirements.
- Scope of use: Notarization primarily validates documents for domestic use within a specific jurisdiction. An Apostille validates documents for international use in Hague Convention member countries.
- What is verified: A Notary Public verifies the identity of the signer and witnesses the signing. An Apostille verifies that the document’s seal, signature, and issuing authority are genuine.
- Who issues it: Notarization is performed by a licensed Notary Public. An Apostille is issued by a designated competent authority – typically a government office such as the Secretary of State, the Ministry of Foreign Affairs, or, in some jurisdictions, an authorized Notary Public with Apostille-issuing rights.
- Legal framework: Notarization follows the laws and regulations of the jurisdiction where the Notary Public is commissioned. The Apostille follows the international framework set by the Hague Convention of 1961.
- Format: A notarization is applied directly to the document through a seal, stamp, and signature. An Apostille is a separate certificate attached to the document, following a standardized format that includes the word “Apostille” as a header, the issuing country, a serial number, and the issuing authority’s seal.
- Cost and processing: Notarization is generally faster and less expensive. Apostille processing times and fees vary by jurisdiction and can take anywhere from a few days to several weeks when handled through government offices.
Do You Need Notarization, an Apostille, or Both?
This depends on where and how your document will be used.
When You Need Only Notarization
If your document will be used within the same country or jurisdiction, notarization alone is usually sufficient. Common examples include domestic contracts, real estate transactions, affidavits for local courts, and powers of attorney used within the issuing country.
When You Need Only an Apostille
Some government-issued documents – such as birth certificates, marriage certificates, and court orders – may already carry an official seal from the issuing authority. In these cases, the document may go directly for Apostille without a separate notarization step, depending on the issuing country’s requirements.
When You Need Both
Many documents require notarization first, followed by an Apostille. This is the most common scenario for private documents that need international recognition. Examples include notarized affidavits, sworn statements, powers of attorney for international use, and certified copies of personal identification documents.
The sequence matters: the document must be notarized before the Apostille can be issued. The Apostille then certifies the Notary Public’s signature and seal, confirming their authority.
Documents That Commonly Require an Apostille
The types of documents that frequently need Apostille certification include:
Personal Documents
Birth certificates, marriage certificates, divorce decrees, death certificates, adoption papers, and single status affidavits used for marriage abroad.
Legal Documents
Powers of attorney, affidavits, statutory declarations, court orders, affidavits of residence, and sworn statements.
Educational Documents
University diplomas, academic transcripts, professional certifications, and teaching credentials required for employment or further study in another country.
Business Documents
Articles of incorporation, corporate resolutions, company registration documents, and commercial contracts needed for international business operations.
Immigration Documents
Background checks, police clearance certificates, medical records, and financial statements submitted as part of visa or residency applications.
What Happens If You Use the Wrong One?
Submitting a notarized document when an Apostille is required – or vice versa – is one of the most common reasons documents get rejected by foreign authorities, banks, courts, and registries.
A notarized document without an Apostille will not be accepted for official purposes in a foreign Hague Convention country. The receiving authority has no way to verify the Notary Public’s credentials across borders without the Apostille layer.
Similarly, obtaining an Apostille when only domestic notarization is needed adds unnecessary cost and processing time without providing any practical benefit.
Before preparing your documents, always confirm the specific requirements of the receiving institution or authority. If you are unsure, NotaryPublic24’s support team can help clarify what your documents need.
Countries That Are Not Part of the Hague Convention
For countries that have not joined the Hague Apostille Convention, an Apostille alone will not be enough. Instead, documents must go through a traditional legalization process, which typically involves multiple steps: notarization, authentication by the relevant government authority, and then legalization at the embassy or consulate of the destination country.
This process is longer and more expensive than obtaining an Apostille. Countries such as the UAE, Qatar, and several other nations require embassy legalization for certain document types. The requirements vary by destination, so it is important to verify the exact process before submitting your documents. You can check the official Hague Conference member list to confirm whether your destination country accepts Apostilles.
How to Get Your Documents Notarized and Apostilled with NotaryPublic24
NotaryPublic24 handles both notarization and Apostille certification in a single, streamlined online process. There is no need for in-person appointments, and the entire process can be completed from anywhere in the world.
Step 1: Upload your document Submit a scan or photo of the document you need notarized and/or apostilled through the NotaryPublic24 platform.
Step 2: Complete checkout Select the services you need – notarization, Apostille, or both – and complete the secure checkout.
Step 3: Verify your identity Upload a photo of your government-issued ID. NotaryPublic24 uses biometric identity verification to confirm your identity – no video call or live session required.
Step 4: Receive your documents A certified Notary Public reviews your documents, applies the notarization and/or Apostille, and delivers your authenticated documents digitally within 24 hours.
NotaryPublic24 serves clients in over 50 countries and is available 24/7. Whether you need a birth certificate apostilled, a power of attorney notarized for international use, or a certified copy of your passport, the entire process is completed online.
Frequently Asked Questions
What is the main difference between an Apostille and notarization?
Notarization verifies the signer’s identity and witnesses the signature for domestic legal validity. An Apostille certifies a document’s authenticity for international use in Hague Convention member countries. They serve different purposes and are not interchangeable.
Can a Notary Public issue an Apostille?
In some countries, a Notary Public is authorized to issue Apostilles. In others, only a designated government authority – such as the Secretary of State or Ministry of Foreign Affairs – can issue them. NotaryPublic24 works with authorized Notary Publics who can handle both processes.
Do I need notarization before getting an Apostille?
For most private documents, yes. The document must be notarized first, and then the Apostille certifies the Notary Public’s signature and seal. Government-issued documents like birth certificates may go directly for Apostille without separate notarization.
How many countries accept Apostilles?
Over 125 countries are members of the Hague Apostille Convention as of 2025, including the US, UK, Canada, China, Australia, and all EU member states. Documents with an Apostille are accepted in all member countries without further legalization.
How long does it take to get an Apostille?
Through government offices, processing can take days to weeks depending on the jurisdiction. With NotaryPublic24, the entire process – including notarization – is completed within 24 hours.
What if the destination country is not part of the Hague Convention?
If the destination country has not joined the Convention, your document will need embassy or consular legalization instead of an Apostille. This process involves additional steps and longer processing times.
Final Thoughts
Apostille and notarization are complementary but distinct processes. Notarization validates signatures for domestic use, while an Apostille authenticates documents for international recognition. Many documents require both – notarized first, then apostilled – especially when used across borders for immigration, legal proceedings, education, or business purposes.
NotaryPublic24 simplifies the entire process by combining notarization and Apostille certification into one online workflow. Upload your documents, verify your identity, and receive your authenticated documents within 24 hours – no office visits, no video calls, no delays.