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ThaiKit PromptPay QR Payload Parser
x402
ThaiKit PromptPay QR Payload Parser is a paid API for AI agents from api.thaikit.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-11-03).
Parses and validates a Thai PromptPay/EMVCo QR payment payload: verifies the CRC checksum, identifies the payment type, and extracts all fields including recipient, amount, and currency.
Price / call$0.005
Success—
StatusUnknown
How this service works
Check and read a Thai QR payment payload (PromptPay / EMVCo text from a scanned QR) before paying it: verifies the CRC (catches tampered or mistyped codes), tells PromptPay transfer from bill payment, and returns the recipient (mobile, national ID, tax ID, e-wallet) or biller ID and references, amount, currency, merchant and every field. Body: {"payload": "000201..."}
Output
Returns the payment type (PromptPay transfer or bill payment), CRC validity flag, recipient details (mobile number, national ID, tax ID, or e-wallet ID), biller ID and reference numbers if applicable, amount, currency code, merchant name, and all decoded EMVCo fields from the payload.
Example use cases
Verify QR before authorizing payment
“Before I approve this payment in our app, check this PromptPay QR payload '000201010211...' and tell me if the CRC is valid, whether it's a transfer or bill payment, and what the recipient ID or mobile number is.”
Extract biller details from bill payment QR
“A customer scanned this QR code from a utility bill — '00020101021230...' — can you decode it to get the biller ID, reference numbers, and the amount due so I can prefill the payment confirmation screen?”
Detect tampered or corrupted QR codes
“We received a PromptPay QR payload that might have been modified — here it is: '000201010212...'. Can you verify the CRC checksum and flag if anything looks tampered or malformed before we let our system process it?”
Technical details
Endpoint
POSThttps://api.thaikit.dev/promptpay-parse?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to validate or inspect a Thai PromptPay or EMVCo QR payment payload before executing a payment — especially to catch tampered codes, confirm the recipient identity, verify amounts, or distinguish PromptPay peer-to-peer transfers from bill payments. It is the right choice for any Thai-market payment flow that requires pre-payment QR verification, fraud checks, or extracting structured payment data from raw QR text.
Side effects
- Invalid CRC — returns CRC mismatch error if the payload has been tampered or mistyped
- Malformed payload — returns parse error if the string is not a valid EMVCo TLV structure
- Payload too long — rejected if payload exceeds 512 characters
- Empty or missing payload field — returns validation error
- Non-Thai QR formats (e.g. international EMVCo not using Thai PromptPay tag) may parse partially but lack PromptPay-specific fields
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| payload | string | Thai QR / EMVCo payment payload text, as decoded from the QR code |
Tags
x402
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