v1

latestOpenAPI 3.1.0Copyright Pismo2026-07-247702,7523.1 MB

HST

Send challenge information

Send pre-authentication information to customer for challenge.

post/customer_challenge_request_provided_url

account_idinteger required

Account ID

card_idinteger required

Card ID

idstring required

Pismo-generated unique authentication ID

external_idstring required

Provider-generated unique ID for client monitoring and tracking

provider'HST' required

Third-party provider name

type'authentication' | 'challenge-request' required

Evaluation intention

raw_providerRawProvider required

All non-PCI information received from provider. Check provider documentation for details.

{
  "id": "ff77635e-1cd6-4fda-992d-5ceb71d75644",
  "external_id": "ABC123456",
  "provider": "HST",
  "type": "authentication"
}