# ContactOut, contact us, Team / API, POST /v1/email/verify/batch: Cached email validation API

> Verify your email list to Reduce bounce rates, Protect sender reputation and Reach high-quality prospects

ContactOut's cached email validation API on its Team / API plan. 1 of the 6 key fields: Its check.

- This page: https://datacircle.dev/cached-email-validation-apis/contactout/contact-us-team-api-post-v1-email-verify-batch
- Get it: https://contactout.com/pricing
- Its API docs: https://api.contactout.com/#bulk
- Sold by: ContactOut (https://contactout.com)
- Checked: 2026-10-21

## In the answer

- Completeness: 17%
- Its check: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## Charges

- Per: result
- Also pays for: LinkedIn Profile API from LinkedIn URL · LinkedIn Profile API from email address · People Enrich API · Contact Info API - Single · Contact Info API - Bulk · Company information from domains · People Search API · Decision Makers API · Company Search API · Email to LinkedIn API · Hashed Email API · People Count API · Contact Checker API - Personal Email Checker · Contact Checker API - Work Email Checker · Contact Checker API - Phone Number Checker · from the same budget: Email Verifier API - Single

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify your email list to Reduce bounce rates, Protect sender reputation and Reach high-quality prospects

## Data

- Freshness: 1 hour
- Keep data: governed by the subscription agreement and subscription order form entered into between you and ContactOut, they prevail over its Terms of Use
- Use data: governed by the subscription agreement and subscription order form entered into between you and ContactOut, they prevail over its Terms of Use

## Rate limit

- Per second: 16.67
- Batch: 100

## Speed

- Answer: by polling or webhook

## The call

- You send: emails. Optional: callback_url
- Method: POST
- Path: /v1/email/verify/batch

## About the plan

- Plan: Team / API
- Who can get it: anyone

## The 3 fields the plan's answer can hold

job ID, job status, result

## ContactOut's plans (1)

- [ContactOut, contact us, Team / API, POST /v1/email/verify/batch](https://datacircle.dev/cached-email-validation-apis/contactout/contact-us-team-api-post-v1-email-verify-batch/llms.txt): 17% complete, 1 hour

## ContactOut's calls (2)

- `POST /v1/email/verify/batch`: [ContactOut, contact us, Team / API, POST /v1/email/verify/batch](https://datacircle.dev/cached-email-validation-apis/contactout/contact-us-team-api-post-v1-email-verify-batch/llms.txt)
- `GET /v1/email/verify`: [ContactOut, contact us, Team / API, GET /v1/email/verify](https://datacircle.dev/cached-email-validation-apis/contactout/contact-us-team-api-get-v1-email-verify/llms.txt)

## Similar plans of other providers

- [Renidly, contact us](https://datacircle.dev/cached-email-validation-apis/renidly/contact-us/llms.txt): 33% complete, 20 minutes

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-21.

- https://api.contactout.com/
- https://api.contactout.com/#bulk
- https://api.contactout.com/#rate-limits
- https://contactout.com/ai-info
- https://contactout.com/api-feature
- https://contactout.com/email-verifier
- https://contactout.com/pricing
- https://contactout.com/terms
- https://contactout.io/api-feature