How to Use PromptPay

Thailand's official instant payment system – explained step by step

What is PromptPay?

PromptPay (พร้อมเพย์) is Thailand's national instant payment infrastructure, run by the Bank of Thailand and the Thai Bankers' Association. Instead of sharing account numbers, users register a phone number or National ID and link it to their bank account. For the technical EMV format and ASEAN connections, see the full PromptPay guide.

How to Send Money with PromptPay

  1. 1

    Open your Thai banking app

  2. 2

    Tap "Transfer" or "โอนเงิน"

  3. 3

    Select "PromptPay" as transfer type

  4. 4

    Enter recipient's phone number or national ID

  5. 5

    Enter amount in Thai Baht

  6. 6

    Review recipient name (bank shows it automatically)

  7. 7

    Confirm with PIN or biometric

  8. 8

    Transfer complete – instant!

How to Pay at a Merchant (Scan QR)

  1. 1

    Look for the PromptPay / Thai QR Payment sticker

  2. 2

    Open your banking app

  3. 3

    Tap "Scan QR" or "สแกน QR"

  4. 4

    Point camera at the QR code

  5. 5

    Amount shown (or enter manually)

  6. 6

    Confirm merchant name

  7. 7

    Enter PIN / use fingerprint

  8. 8

    Done! Merchant receives notification

How to Receive Payments (Show Your QR)

  1. 1

    Open banking app

  2. 2

    Tap "Receive" or "รับเงิน"

  3. 3

    Your personal PromptPay QR appears

  4. 4

    Let the sender scan it

  5. 5

    Money arrives instantly

PromptPay Phone Numbers vs National ID

Phone NumberNational ID
PrivacyLowerHigher
Ease of sharingEasyMore secure
Who uses itMost peoplePrivacy-focused
Tourist can use❌ (needs TH number)❌ (needs TH ID)

Common PromptPay Problems & Solutions

ProblemSolution
"PromptPay not found"Recipient hasn't registered
Wrong recipient shownDouble-check the phone number
Transfer limit reachedContact your bank to increase it
App won't scan QRClean the camera lens, use better lighting

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