HProblem with checkout_url from POST /v1/payments, return COMMON_ERRROR when I open url
Hello.
We are integrating Toss Payments in a server-to-server flow using
Our current setup is:
- Test MID:
- Live MID:
In the test environment, payments work correctly.
In the live environment,
Our live domain is
However, when we open the returned
The issue does not happen at payment creation time.
The payment is created successfully in live and returns a checkout URL.
The failure happens only when entering the live hosted checkout page.
We already verified that:
- the domain is public
- HTTPS/TLS is configured correctly
- the same integration works in the test environment
Could you please check whether live MID
We would also like to confirm whether this immediate
Thank you.
We are integrating Toss Payments in a server-to-server flow using
POST /v1/paymentsPOST /v1/payments.Our current setup is:
- Test MID:
tevacod7ohftevacod7ohf- Live MID:
evacod7ohfevacod7ohfIn the test environment, payments work correctly.
In the live environment,
POST /v1/paymentsPOST /v1/payments succeeds and returns status=READYstatus=READY together with a valid checkout.urlcheckout.url.Our live domain is
https://evacode.orghttps://evacode.org, and it is a public HTTPS domain with a valid TLS certificate.However, when we open the returned
checkout.urlcheckout.url, it immediately redirects to failUrlfailUrl with this error:code=COMMON_ERRORcode=COMMON_ERRORmessage=처리 중 오류가 발생했습니다message=처리 중 오류가 발생했습니다The issue does not happen at payment creation time.
The payment is created successfully in live and returns a checkout URL.
The failure happens only when entering the live hosted checkout page.
We already verified that:
- the domain is public
- HTTPS/TLS is configured correctly
- the same integration works in the test environment
Could you please check whether live MID
evacod7ohfevacod7ohf is fully activated for real payments and whether any production approval, card review, or payment-method activation is still missing for this MID?We would also like to confirm whether this immediate
COMMON_ERRORCOMMON_ERROR at hosted checkout can be caused by merchant activation status, contract status, or payment-method configuration on the live MID.Thank you.
