International participants traveling to Thailand may need a visa, depending on their nationality and purpose of travel. Many nationalities can enter Thailand without a visa for short visits, but the rules change from time to time - please check the latest requirements before booking flights.
Thailand e-Visa
If your nationality or travel purpose requires a visa, apply through the official Thai e-Visa website or consult your nearest Royal Thai Embassy or Consulate.
Official Thai e-Visa website (thaievisa.go.th)
Thailand Digital Arrival Card (TDAC)
Foreign nationals entering Thailand are required to complete the Thailand Digital Arrival Card online before arrival. Use only the official website - beware of unofficial agency sites that charge fees.
Official TDAC website (tdac.immigration.go.th)
More information
Ministry of Foreign Affairs of the Kingdom of Thailand: mfa.go.th