# Cold Leads, $99 monthly, Business, POST /verify/bulk: Email verification API

> Bulk endpoint: up to 5 000 addresses per job, 5 parallel jobs, results as JSON (CSV export is in the web app).

Cold Leads's email verification API on its Business plan. It returns 1 of the 6 key fields we check: Address.
In [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt), the best plan from Cold Leads scores 0.0 out of 100. Cold Leads ranks 157th of 197 providers.
This plan costs $99 a month. We rank 3,886 plans for email verification APIs by price. Half the plans cost $1.998 per 1,000 emails or less.
[treg's top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.
[Disify's $9 monthly plan (/email)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt), [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) and [Giggal](https://datacircle.dev/validate-email-apis/giggal/39-pack-50000-credits-post-v1-verify/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/cold-leads/99-monthly-business-post-verify-bulk
- [Email validation API: 190+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://coldleads.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://coldleads.app/api/v1/verify/bulk`
- API key: with the plan, on https://coldleads.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://coldleads.app/api/v1?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Cold Leads (https://coldleads.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 17%
- Address: ✓

## Price

- Per: result
- Billing: monthly
- $ a month: $99

## Aggregators

- Aggregators: none

## Charges

- Repeat free: never
- Also pays for: from the same budget: Verify one e-mail address · Find a person's e-mail by name and company domain

## Overage

- Add-ons: 1,000 credits once for $5 ($5.00 per 1,000)

## In their words

- Their pitch: Bulk endpoint: up to 5 000 addresses per job, 5 parallel jobs, results as JSON (CSV export is in the web app).

## Data

- Freshness: 30 days
- What it checks: format, mail servers, disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: The Service is intended solely for lawful B2B and B2C communication: marketing, sales and customer care. You may send e-mail only to recipients you have a lawful basis to contact. [...] Cold B2B outreach must use public business addresses, small volumes and honour opt-outs immediately.

## Plan

- Pay: $99
- Expires: each month, unused credits do not roll over

## Rate limit

- Per second: 2
- Concurrent: 5
- Batch: 5,000

## Speed

- Answer: by polling

## The call

- You send: emails. Optional: name
- Method: POST
- Path: /verify/bulk

## About the plan

- Plan: Business
- Who can get it: anyone

## The 8 fields the plan's answer can hold

job ID, job status, total emails, emails done, valid count, risky count, invalid count, results

## Cold Leads's plans (2)

- [Cold Leads, $99 monthly, Business, POST /verify/bulk](https://datacircle.dev/validate-email-apis/cold-leads/99-monthly-business-post-verify-bulk/llms.txt): 17% complete, 30 days
- [Cold Leads, $999 yearly, Business (yearly), POST /verify/bulk](https://datacircle.dev/validate-email-apis/cold-leads/999-yearly-business-yearly-post-verify-bulk/llms.txt): 17% complete, 30 days

## Cold Leads's calls for this API (2)

- `POST /verify/bulk`: [Cold Leads, $99 monthly, Business, POST /verify/bulk](https://datacircle.dev/validate-email-apis/cold-leads/99-monthly-business-post-verify-bulk/llms.txt)
- `POST /verify`: [Cold Leads, $99 monthly, Business, POST /verify](https://datacircle.dev/validate-email-apis/cold-leads/99-monthly-business-post-verify/llms.txt)

## Cold Leads's APIs (2)

- [Cold Leads: email finder API pricing, 2 plans](https://datacircle.dev/find-email-apis/cold-leads/99-monthly/llms.txt)
- [Cold Leads: email verification API pricing, 2 plans, POST /verify/bulk](https://datacircle.dev/validate-email-apis/cold-leads/99-monthly-business-post-verify-bulk/llms.txt)

## Cold Leads: email verification API alternatives

- [Snov.io, $39 monthly](https://datacircle.dev/validate-email-apis/snov-io/39-monthly/llms.txt): 33% complete, live
- [IsTempMail, $50 monthly](https://datacircle.dev/validate-email-apis/istempmail/50-monthly/llms.txt): no limit, 33% complete, 24 hours
- [LeadFuze, $250 monthly, Starter, POST /verification/bulk-csv](https://datacircle.dev/validate-email-apis/leadfuze/250-monthly-starter-post-verification-bulk-csv/llms.txt): 17% complete, live
- [Getle, $697 monthly](https://datacircle.dev/validate-email-apis/getle/697-monthly/llms.txt): no limit, 17% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://coldleads.app/api/v1?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/help/plans-and-billing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/help/verify-lists-and-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/solutions/email-verification-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/terms/recurring?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://coldleads.app/use-cases/agent-initiated-subscription?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing