# Verify550, $20 pack, 2,500 Credits, POST /api/bulk: Email verification API

> Verify 550 provides a developer API to integrate the email verification process with your service. Our API provides the ability to check individual email addresses and can accept an email list through file upload.

Verify550's email verification API on its "2,500 Credits" plan. It costs $8.00 per 1,000 emails. It returns 1 of the 6 key fields we check: Deliverability.
We haven't run Verify550 through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
Half of the 3,753 plans we rank by price cost $1.98 per 1,000 emails or less. This plan costs less per 1,000 emails than 12% of the 3,753 plans.
[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.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/verify550/20-pack-2500-credits-post-api-bulk
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://verify550.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://app.verify550.com/api/bulk`
- API key: with the plan, on https://verify550.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://verify550.com/documentation/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Verify550 (https://verify550.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 17%
- Deliverability: ✓

## Price

- $ per 1,000 emails: $8.00
- Per: result
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Single Verification · Single Phone Verification · Bulk Phone List Upload · Combined Contact Verification

## In their words

- Their pitch: Verify 550 provides a developer API to integrate the email verification process with your service. Our API provides the ability to check individual email addresses and can accept an email list through file upload.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, role addresses, mailbox
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $20
- You get: 2,500 credits
- Enough for: 2,500 results

## Rate limit

- Batch: 1,000,000

## Speed

- Answer: by polling

## The call

- You send: filename, file_contents
- Method: POST
- Path: /api/bulk

## About the plan

- Plan: 2,500 Credits
- Who can get it: anyone

## The only field the plan's answer can hold

status

## Verify550's plans (16)

- [Verify550, $20 pack, 2,500 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/20-pack-2500-credits-post-api-bulk/llms.txt): $8.00 per 1,000, 17% complete, live
- [Verify550, $35 pack, 5,000 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/35-pack-5000-credits-post-api-bulk/llms.txt): $7.00 per 1,000, 17% complete, live
- [Verify550, $60 pack, 10,000 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/60-pack-10000-credits-post-api-bulk/llms.txt): $6.00 per 1,000, 17% complete, live
- [Verify550, $100 pack, 25,000 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/100-pack-25000-credits-post-api-bulk/llms.txt): $4.00 per 1,000, 17% complete, live
- [Verify550, $190 pack, 100,000 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/190-pack-100000-credits-post-api-bulk/llms.txt): $1.90 per 1,000, 17% complete, live
- [Verify550, $650 pack, 500,000 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/650-pack-500000-credits-post-api-bulk/llms.txt): $1.30 per 1,000, 17% complete, live
- [Verify550, $1,150 pack, 1,000,000 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/1150-pack-1000000-credits-post-api-bulk/llms.txt): $1.15 per 1,000, 17% complete, live
- [Verify550, $2,600 pack, 2,500,000 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/2600-pack-2500000-credits-post-api-bulk/llms.txt): $1.04 per 1,000, 17% complete, live
- [Verify550, $20 monthly, Monthly Subscription, 2,500 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/20-monthly-monthly-subscription-2500-credits-post-api-bulk/llms.txt): $8.00 per 1,000, 17% complete, live
- [Verify550, $35 monthly, Monthly Subscription, 5,000 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/35-monthly-monthly-subscription-5000-credits-post-api-bulk/llms.txt): $7.00 per 1,000, 17% complete, live
- [Verify550, $60 monthly, Monthly Subscription, 10,000 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/60-monthly-monthly-subscription-10000-credits-post-api-bulk/llms.txt): $6.00 per 1,000, 17% complete, live
- [Verify550, $100 monthly, Monthly Subscription, 25,000 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/100-monthly-monthly-subscription-25000-credits-post-api-bulk/llms.txt): $4.00 per 1,000, 17% complete, live
- [Verify550, $190 monthly, Monthly Subscription, 100,000 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/190-monthly-monthly-subscription-100000-credits-post-api-bulk/llms.txt): $1.90 per 1,000, 17% complete, live
- [Verify550, $650 monthly, Monthly Subscription, 500,000 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/650-monthly-monthly-subscription-500000-credits-post-api-bulk/llms.txt): $1.30 per 1,000, 17% complete, live
- [Verify550, $1,150 monthly, Monthly Subscription, 1,000,000 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/1150-monthly-monthly-subscription-1000000-credits-post-api-bulk/llms.txt): $1.15 per 1,000, 17% complete, live
- [Verify550, $2,600 monthly, Monthly Subscription, 2,500,000 credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/2600-monthly-monthly-subscription-2500000-credits-post-api-bulk/llms.txt): $1.04 per 1,000, 17% complete, live

## Verify550's calls for this API (2)

- `POST /api/bulk`: [Verify550, $20 pack, 2,500 Credits, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/20-pack-2500-credits-post-api-bulk/llms.txt)
- `GET /api/singlemail`: [Verify550, $20 pack, 2,500 Credits, GET /api/singlemail](https://datacircle.dev/validate-email-apis/verify550/20-pack-2500-credits-get-api-singlemail/llms.txt)

## Verify550's APIs (2)

- [Verify550: phone validation API pricing, 16 plans, POST /api/bulkPhoneList](https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-post-api-bulkphonelist/llms.txt)
- [Verify550: phone validation API pricing, 16 plans, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-get-api-singlephone/llms.txt)
- [Verify550: email verification API pricing, 16 plans, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/20-pack-2500-credits-post-api-bulk/llms.txt)

## Verify550: email verification API alternatives

- [Easy Email Verification, $4 pack, Pay-as-you-go, 500 emails, POST /bulk/upload](https://datacircle.dev/validate-email-apis/easy-email-verification/4-pack-pay-as-you-go-500-emails-post-bulk-upload/llms.txt): $8.00 per 1,000, 50% complete, live
- [Bouncer, $8 pack, Pay as you go, 1,000 credits, POST /v1.1/email/verify/batch](https://datacircle.dev/validate-email-apis/bouncer/8-pack-pay-as-you-go-1000-credits-post-v1-1-email-verify-batch/llms.txt): $8.00 per 1,000, 67% complete, live
- [QuickEmailVerification, $4 pack, Persistent Credits, 500 credits, GET /v1/verify](https://datacircle.dev/validate-email-apis/quickemailverification/4-pack/llms.txt): $8.00 per 1,000, 50% complete, live
- [mailfloss, $8 pack, Prepaid credits 1,000, POST /v1/batch-verify](https://datacircle.dev/validate-email-apis/mailfloss/8-pack-prepaid-credits-1000-post-v1-batch-verify/llms.txt): $8.00 per 1,000, 50% 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://verify550.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verify550.com/documentation/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verify550.com/documentation/file-verification.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verify550.com/documentation/getting-started?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verify550.com/documentation/result-guide-2?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verify550.com/documentation/validating-phone-numbers-using-the-verify550-api.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verify550.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verify550.com/terms-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing