Thailand Tests THIM Immigration App: What Will Change for Tourists Before the Trip

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Marta Skylar
Aviation News Editor
28.07.2026 08:15

Thailand Tests THIM Immigration App: What Will Change for Tourists Before the Trip

Thailand has opened pilot access to the Thailand Immigration Management mobile application, or THIM, which is intended to simplify the registration of foreign travelers before entry. For now, this is not a new mandatory document and not a replacement for the Thailand Digital Arrival Card, but the signal is important: the country is moving more and more border procedures into a digital format, and tourists should prepare their data more carefully even before boarding the flight.

The Tourism Authority of Thailand announced on June 11, 2026, that the Immigration Bureau has opened test access to THIM before the full launch, which is expected in August 2026. The new application is designed so that foreign visitors can more quickly enter passport, itinerary, and accommodation data associated with the current digital arrival card TDAC. For tourists, this is not just a technical novelty: during peak periods such as summer vacations, the winter season, and major events, pre-filled forms often determine whether the arrival goes smoothly or begins with a queue at the help desk.

What Exactly Thailand Has Launched

THIM stands for Thailand Immigration Management. According to the official explanation from TAT, it is a mobile platform of the Immigration Bureau of Thailand, which is currently operating in pilot mode. Its main current function is to help the traveler prepare the data required for the Thailand Digital Arrival Card, namely the digital arrival card that all foreigners must submit online before entering the country.

The most important clarification for tourists: THIM is not currently an additional requirement. If a traveler already submits the TDAC via the official website of the Immigration Bureau, this remains a valid path. The application only adds another convenient interface for data related to the TDAC and does not cancel the arrival card itself. That is why before the trip, you should not rely on rumors or unofficial instructions on social networks: the requirement to submit a digital arrival card remains mandatory, and THIM is currently undergoing testing.

The official TDAC guide explains that the Thailand Digital Arrival Card replaced the paper arrival card and must be submitted by all non-Thai citizens before entry regardless of the method of arrival - by plane, land, or sea. Data must be entered three days before arrival. The form specifies passport information, personal data, itinerary, address of residence in Thailand, and, if necessary, a medical declaration. It is separately emphasized that the TDAC is not a visa, meaning it does not replace the visa regime for those who need a permit to stay.

How THIM Should Simplify Entry Preparation

From a practical side, THIM is interesting because it allows reading passport data via a photo of the passport. The system automatically recognizes the information, after which the tourist adds the address of residence, trip details, and the purpose of entry. According to the government public relations department of Thailand, the average time for such registration should be less than three minutes. For families, organized groups, and small companies, group submission for up to 10 people is provided.

This is important not only for convenience. Thailand receives a large flow of tourists through Bangkok, Phuket, Chiang Mai, and other international points of entry, and any reduction in manual data entry can reduce the load on immigration zones. After the pandemic, many countries left or strengthened preliminary digital registration because it helps combine security checks, medical declarations, arrival statistics, and faster passenger processing. Thailand is now moving along the same path but trying to make it more convenient for the mass tourist.

During the test phase, the application is available for iOS and Android and supports English, Russian, Japanese, and Chinese languages. In the future, the authorities plan to add at least 15 languages. This is a particular advantage for a destination where a significant part of tourists arrives from different regions of Asia, Europe, and the Middle East, and errors in transliteration, hotel addresses, or dates often become the cause of extra questions at the border.

What Remains Mandatory for Tourists

Despite the launch of THIM, basic preparation for a trip to Thailand has not changed. A foreign traveler needs to check their passport, visa conditions for their country, a return ticket or a ticket for further travel, the address of residence, and the digital arrival card TDAC. The US Department of State in its travel advisory also reminds that for short tourist trips up to 60 days, a visa is not required for US citizens, but preliminary online registration is mandatory; for other citizens, conditions may differ, so they should be checked with official Thai sources or the consulate.

For Ukrainian travelers, the main principle is the same: do not confuse the digital arrival card with a visa and do not postpone the form until the moment of boarding. If a tourist is flying with a layover, changing hotels in the first few days, or traveling as a group, it is better to prepare the information in advance: flight number, arrival date, address of the first hotel, contact email, passport data, and companion data. Even if THIM reduces the entry time, the responsibility for the correctness of the information remains with the traveler.

  • TDAC must be submitted through the official channel of the Immigration Bureau or an available official interface, not through third-party sites with paid "services".
  • THIM is currently a pilot tool, so requirements may be clarified before the August launch.
  • The digital arrival card does not grant the right of entry by itself if the traveler needs a visa.
  • Data should be checked before sending, especially the name, passport number, date of birth, citizenship, and address in Thailand.

Why This Is Important Right Now

The new application appears at a time when Thailand is trying to simultaneously increase the tourist flow and move from chasing quantity to higher quality tourism. At Thailand Travel Mart Plus 2026, TAT announced that as of June 2, the country had already received over 14 million international visitors and received about 679 billion baht in tourist revenues. For the whole of 2026, Thailand expects 33 million international arrivals and 2.65 trillion baht in revenue from domestic and foreign tourism.

With such volumes, immigration infrastructure becomes part of the tourist product. A tourist can choose a nice hotel and a convenient flight, but the impression of the country often begins with the first hour after landing. If the arrival goes through a long queue, an unclear form, or a problem with documents, it affects the evaluation of the entire destination. That is why digital solutions like THIM are important not only for officials but also for hotels, airlines, tour operators, transfer services, and the travelers themselves.

This can be especially noticeable in airports that receive the main international flow. If you are flying through the capital Bangkok Suvarnabhumi Airport (BKK), it is worth checking not only the TDAC in advance, but also the connection time, the route to the city, and transport after arrival. For late or early flights, hotels near Bangkok airport or a transfer from Suvarnabhumi can be useful. If the route leads to the islands, the page about Phuket Airport (HKT) will be helpful, and for travelers to the north of the country - information about Chiang Mai Airport (CNX).

What Will Change After the Full Launch

The full launch of THIM is expected in August 2026. According to preliminary official explanations, the application is intended to gradually transform into a broader platform of immigration services for foreigners. Among the future functions, they mention digital submission of documents, making appointments with officers, tracking the status of individual applications, and remote consideration of those procedures where physical presence is not required. It is important that these functions are still under development and must be confirmed by the Immigration Bureau.

That is, tourists should not conclude that from August all queues will disappear or all procedures will become automatic. A more realistic expectation is this: some data will be entered faster, it will be easier for groups to submit information together, and in the future, residents and long-term visitors may receive more online services. At the same time, the final decision on entry, as before, remains with the immigration officer.

How to Prepare for a Trip to Thailand in 2026

The best strategy for a tourist is to treat digital forms as seriously as a flight ticket or a hotel booking. A few days before departure, you need to open the official TDAC channel, enter the data in English, check the passport, and save the confirmation on the phone and in the email. If THIM is used, it is worth making sure that the application is downloaded from the official store, carefully read the permissions for processing personal data, and do not pass passport data to third-party intermediaries without necessity.

Privacy deserves separate attention. On the official THIM page, it is stated that the application is processed by the Immigration Bureau of Thailand and may collect identification, contact, passport, and certain sensitive data necessary for immigration processing. For most tourists, this is not unusual, as similar data was previously submitted to border services, but the mobile format makes the issue of a secure channel even more important. That is why you should avoid copies, "quick" sites, and unofficial chat-bots that imitate government services.

Conclusion

The pilot launch of THIM shows that Thailand is taking the next step in the digitalization of entry for foreigners. For the tourist, this potentially means faster data entry, more convenient group registration, and less manual work before passport control. But at the current stage, the main rule is simple: TDAC remains the mandatory digital arrival card, THIM is an additional pilot tool, and all visa and passport requirements must be checked before the trip. Those who do this in advance will have a significantly better chance of starting their vacation in Thailand without unnecessary stress at the airport.