---
title: "Send challenge information"
method: POST
path: "/customer_challenge_request_provided_url"
tags: ["HST"]
---

# Send challenge information

`POST /customer_challenge_request_provided_url`

Send pre-authentication information to customer for challenge.

## Headers

- `account_id` integer, required
- `card_id` integer, required

## Request body

- ChallengeRequest
  - `id` string, required — Pismo-generated unique authentication ID
  - `external_id` string, 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_provider` RawProvider, required — All non-PCI information received from provider. Check provider documentation for details.

## Response `200`

OK

---

[API](https://skmtc.net/pismo/apis/platform-authentication.md) · [All operations](https://skmtc.net/pismo/apis/platform-authentication/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/pismo/platform-authentication/revisions/935b62e16de4/schema)