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

# Start batch contact details

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

Starts fetching contact details for multiple people (up to 2000) in batch. This is an asynchronous task; use the polling endpoint to check progress and get results.

<span>⚡ <strong>Rate limit:</strong> 30 requests per 1 minute</span>

<span>💰 <strong>Cost:</strong> Pay only for the data you request:<br />• 5 credits for all phone numbers AND all emails<br />• 2 credits for work email only<br />• 2 credits for personal email only<br />• 3 credits for phone only&nbsp;<span title="Pricing shown is default pricing. Actual pricing may vary. Credits are charged upfront for all unique people queued (after deduping). Undelivered data is refunded per operation.">ⓘ</span></span>

## Request body

- object
  - `apiKey` string, required — Your Fiber API key
  - `personDetails` object[], required
    - `linkedinUrl` object, required
      - `value` string, required — A LinkedIn URL, like 'https://www.linkedin.com/in/jake'
  - `enrichmentTypes` object — The types of contact information to request for each person. Credits are charged per selected type.
    - `getWorkEmails` boolean
    - `getPersonalEmails` boolean
    - `getPhoneNumbers` boolean

## Response `200`

Default Response

- object
  - `output` object, required
    - `taskId` string, required — The task ID. Use this to poll for results.
    - `numPeopleEnqueued` integer, required — The total number of people queued for enrichment.
    - `numDuplicatesSkipped` integer, nullable — The number of duplicate people found in the input list. Duplicates are skipped and not charged.
  - `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

---

[API](https://skmtc.net/fiber/apis/fiber-ai-api.md) · [All operations](https://skmtc.net/fiber/apis/fiber-ai-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/fiber/fiber-ai-api/revisions/693a454797a3/schema)