---
title: "Cancel batch contact details"
method: POST
path: "/v1/contact-details/batch/cancel"
tags: ["Contact details"]
---

# Cancel batch contact details

`POST /v1/contact-details/batch/cancel`

## Request

- Base URL: `https://api.fiber.ai`
- URL: `https://api.fiber.ai/v1/contact-details/batch/cancel`
- Auth: none declared

Cancels a batch contact details job that is in progress. Profiles not yet delivered — queued or in-flight — are cancelled and refunded immediately at the requested bundle price. Profiles already delivered before the cancel are charged for and remain available via the poll endpoint.

<span>⚡ <strong>Rate limit:</strong> 60 requests per 1 minute</span>

## Request body

- object
  - `apiKey` string, required: Your Fiber API key
  - `taskId` string, required: The task ID returned from the start endpoint.

## Response `200`

Default Response

- object
  - `output` object, required
    - `cancelledCount` integer, required: The number of profiles cancelled.
    - `creditsRefunded` number, required: The number of credits refunded for cancelled profiles.
    - `message` string, required: A human-readable summary of the cancellation result.
  - `chargeInfo` union, required
    - object: Credits were charged immediately for this operation
      - `method` 'charged-now', required
      - `creditsCharged` number, required
      - `lowCreditAlert` object, nullable: Contains a link to get more credits, a warning message, and the remaining credit count.
        - `getMoreCreditsUrl` string, uri, required: URL to top up credits or restart billing cycle to get fresh credits.
        - `message` string, required: Human-readable credits warning.
        - `availableCredits` number, required: Number of credits remaining in the current billing period.
    - object: Credits will be charged after the operation completes
      - `method` 'charging-later', required
      - `message` string, required
      - `lowCreditAlert` object, nullable: Contains a link to get more credits, a warning message, and the remaining credit count.
        - `getMoreCreditsUrl` string, uri, required: URL to top up credits or restart billing cycle to get fresh credits.
        - `message` string, required: Human-readable credits warning.
        - `availableCredits` number, required: Number of credits remaining in the current billing period.
    - object: Credits that were charged for an asynchronous operation
      - `method` 'charged-for-async-process', required
      - `creditsCharged` number, required
      - `message` string, required
      - `lowCreditAlert` object, nullable: Contains a link to get more credits, a warning message, and the remaining credit count.
        - `getMoreCreditsUrl` string, uri, required: URL to top up credits or restart billing cycle to get fresh credits.
        - `message` string, required: Human-readable credits warning.
        - `availableCredits` number, required: Number of credits remaining in the current billing period.
    - object: No credits were charged for this operation
      - `method` 'free', required
      - `message` string, required
      - `lowCreditAlert` object, nullable: Contains a link to get more credits, a warning message, and the remaining credit count.
        - `getMoreCreditsUrl` string, uri, required: URL to top up credits or restart billing cycle to get fresh credits.
        - `message` string, required: Human-readable credits warning.
        - `availableCredits` number, required: Number of credits remaining in the current billing period.
    - object: Credits were refunded for this operation
      - `method` 'credits-refunded', required
      - `creditsRefunded` number, required
      - `message` string, required
      - `lowCreditAlert` object, nullable: Contains a link to get more credits, a warning message, and the remaining credit count.
        - `getMoreCreditsUrl` string, uri, required: URL to top up credits or restart billing cycle to get fresh credits.
        - `message` string, required: Human-readable credits warning.
        - `availableCredits` number, required: Number of credits remaining in the current billing period.
  - `warnings` object[], nullable: Warnings about extraneous fields in request
    - `field` string, required: Full path to extraneous field (e.g., 'searchParams.ExtraField')
    - `message` string, required: Warning message
  - `advice` string[], nullable: Tips, recommendations, and suggestions for using this API effectively.

## Other responses

- `400`: Default Response
- `401`: Default Response
- `402`: Default Response
- `403`: Default Response
- `404`: Default Response
- `422`: Default Response
- `429`: Default Response
- `500`: Default Response
- `503`: Default Response

## Changes

- **2026-07-31** `4002aa81d4fb`: 2 breaking, 1 info
  - the response property `advice` became nullable for the status `200`
  - the response property `advice` became optional for the status `200`
  - the `advice` response's property default value `` was removed for the status `200`
- **2026-07-13** `f14ac2efab0c`: 2 info
  - added the non-success response with the status `422`
  - added the required property `advice` to the response with the `200` status

[Operation history](https://skmtc.dev/fiber/apis/fiber-ai-api/changes/v1/contact-details/batch/cancel/post.md)

---

[API](https://skmtc.dev/fiber/apis/fiber-ai-api.md) - [All operations](https://skmtc.dev/fiber/apis/fiber-ai-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fiber/apis/fiber-ai-api/revisions/d8237cb5c35e?raw)