Undo an Action

post

https://prod.emea.api.fiservapps.com/sandbox/exp/v1/disputes/{disputeId}/actions/{actionId}/undo

Undo an Action

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Generate message signature (v2)

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Undo an action
How undo an action works in practice:

Search for disputes

Retrieve a single dispute by ID

Make note of the tcn value and the id for the dispute. You will need these both later

Look through the events array to see previousActions with status SUBMITTED

Make a note of the actionId for the previous action to undo. This code is required when using the Undo an Action endpoint

Create and send your Undo an Action endpoint request including the disputeId actionId and tcn you found earlier

Path Params

disputeId

string

required

length between 19000101000000 and 99991231999999

Unique case identifier assigned to the dispute

actionId

string

required

19000101000000 to 99999999999999

Unique identifier assigned to the action taken on the dispute.

Body Params

Undo can be performed for the action taken previously, provided that it was not yet processed in the daily cycle

tcn

string

required

Transaction Control Number (used to control concurrent actions and avoid change clashes)

Headers

Institution-Number

string

length between 8 and 8

Institution number (8-digit number) associated with the merchant. This information defines the acquirer for the merchant. If a consumer is granted access to this API for multiple institutions, this field must be populated. If access is for only one institution, the API will automatically determine this value, making it optional for the client.

Message-Signature

string

required

Optional security header. Used to ensure the request has not been tampered with during transmission. The Message-Signature is the Base64 encoded HMAC hash (SHA256 algorithm with the API Secret as the key.) For more information, refer to the supporting documentation on the Developer Portal.

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application/json

📘Undo an action

400Bad request

401Unauthorised

403Forbidden

404Not found

429Too many requests

500Internal server error

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Undo an action