# BIGDBM, contact us, Contact sales, POST /api/v1/lookup: Email verification API

> One endpoint, multiple data outputs. Submit any B2B identifier — email, phone, company name, or PII — with an OutputID that defines exactly what data comes back.

BIGDBM's email verification API on its Contact sales plan. It returns 3 of the 6 key fields we check: Address, Deliverability, Confidence.
We haven't run BIGDBM through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
BIGDBM gives this plan's price on request. We rank 3,341 plans for email verification APIs by price. Half the plans cost $1.985 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.
[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/bigdbm/contact-us-contact-sales-post-api-v1-lookup
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.bigdbm.com/product/real-time-enrichment-apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://aws-behavioral-intent-api.bigdbm.com/api/v1/lookup`
- API key: with the plan, on https://www.bigdbm.com/product/real-time-enrichment-apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://www.bigdbm.com/pages/api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: BIGDBM (https://www.bigdbm.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Confidence: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: One endpoint, multiple data outputs. Submit any B2B identifier — email, phone, company name, or PII — with an OutputID that defines exactly what data comes back.

## Data

- Keep data: Upon termination for any reason: [...] You must promptly destroy or return all BIGDBM data and Confidential Information in your possession, unless retention is required by applicable law
- Use data: a limited, non-exclusive, non-transferable, revocable license to access and use the Services solely for your internal business purposes and in accordance with the following conditions: You may use data and outputs from the Services only for the purposes specified in your agreement with BIGDBM, You must comply with all applicable federal, state, and local laws and regulations, including but not limited to the CAN-SPAM Act, the Telephone Consumer Protection Act (TCPA), the California Consumer Privacy Act (CCPA/CPRA), and other applicable privacy and consumer protection laws, You must maintain adequate security measures to protect data received from BIGDBM from unauthorized access, disclosure, or misuse, You must honor all consumer opt-out and suppression requests in accordance with applicable law and in the timeframes required by BIGDBM's operational procedures, and You must cooperate with BIGDBM in any audit of your data use practices upon reasonable notice. You agree that you will not, and will not permit any third party to, use the Services or any data obtained through the Services to: Discriminate against any individual on the basis of race, color, religion, sex, national origin, age, disability, sexual orientation, or any other characteristic protected by applicable law, Engage in deceptive, misleading, or fraudulent marketing or advertising practices, Contact individuals in violation of the TCPA, CAN-SPAM, or any applicable do-not-call, do-not-mail, or opt-out requirement, Facilitate identity theft, fraud, unauthorized account access, or any other unlawful activity, Reverse engineer, decompile, disassemble, or otherwise attempt to derive source code, trade secrets, or proprietary algorithms from the Services, Resell, sublicense, or distribute data obtained from BIGDBM to any third party without BIGDBM's prior written consent, Scrape, crawl, or systematically download data from BIGDBM's website or APIs beyond what is expressly permitted, Interfere with or disrupt the integrity, performance, or availability of the Services or any underlying infrastructure, Use the Services to build a competing product or service, or Use the data for any purpose that violates applicable law, including without limitation the Fair Credit Reporting Act (FCRA), the Gramm-Leach-Bliley Act (GLBA), the Health Insurance Portability and Accountability Act (HIPAA), or any similar statute. Important: BIGDBM's data products are not consumer reports as defined by the FCRA and may not be used for any FCRA-permissible purpose, including credit, insurance underwriting, employment screening, or tenant screening.

## Speed

- Answer: in the call

## The call

- You send: requestId, input, outputId 25
- Method: POST
- Path: /api/v1/lookup

## About the plan

- Plan: Contact sales
- Who can get it: legal entities and individuals acting in a professional commercial capacity, 18 or over, API tokens are issued by BIGDBM's account representative after contacting sales@bigdbm.com

## The 6 fields the plan's answer can hold

email address, email status, email confidence, deliverable, risk score, email source

## BIGDBM's plans (1)

- [BIGDBM, contact us, Contact sales, POST /api/v1/lookup](https://datacircle.dev/validate-email-apis/bigdbm/contact-us-contact-sales-post-api-v1-lookup/llms.txt): 50% complete

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

- `POST /api/v1/lookup`: [BIGDBM, contact us, Contact sales, POST /api/v1/lookup](https://datacircle.dev/validate-email-apis/bigdbm/contact-us-contact-sales-post-api-v1-lookup/llms.txt)
- `POST /email-cleansing/batch`: [BIGDBM, contact us, Contact sales, POST /email-cleansing/batch](https://datacircle.dev/validate-email-apis/bigdbm/contact-us-contact-sales-post-email-cleansing-batch/llms.txt)

## BIGDBM's APIs (6)

- [BIGDBM: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/bigdbm/contact-us/llms.txt)
- [BIGDBM: phone finder API pricing, 1 plan](https://datacircle.dev/find-phone-apis/bigdbm/contact-us/llms.txt)
- [BIGDBM: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/bigdbm/contact-us/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, Address](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-address/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, POST /api/v1/lookup, B2B Lookup, OutputID 2](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-post-api-v1-lookup-b2b-lookup-outputid-2/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, POST /api/v1/lookup, B2B Lookup, OutputID 3](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-post-api-v1-lookup-b2b-lookup-outputid-3/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, B2B Phone](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-b2b-phone/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, POST /api/v1/lookup, Consumer Lookup, OutputID 10008](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-post-api-v1-lookup-consumer-lookup-outputid-10008/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, Id](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-id/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, Phone](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-phone/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, PII](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-pii/llms.txt)
- [BIGDBM: people enrichment API pricing, 1 plan, PII with Validation](https://datacircle.dev/person-enrichment-apis/bigdbm/contact-us-contact-sales-pii-with-validation/llms.txt)
- [BIGDBM: reverse email lookup API pricing, 1 plan, B2B Email](https://datacircle.dev/reverse-email-lookup-apis/bigdbm/contact-us-contact-sales-b2b-email/llms.txt)
- [BIGDBM: reverse email lookup API pricing, 1 plan, Email](https://datacircle.dev/reverse-email-lookup-apis/bigdbm/contact-us-contact-sales-email/llms.txt)
- [BIGDBM: email verification API pricing, 1 plan, POST /api/v1/lookup](https://datacircle.dev/validate-email-apis/bigdbm/contact-us-contact-sales-post-api-v1-lookup/llms.txt)

## BIGDBM: email verification API alternatives

- [Enrich.so, contact us, Enterprise, POST /email-validation](https://datacircle.dev/validate-email-apis/enrich-so/contact-us/llms.txt): 50% complete, live
- [GetProspect, contact us, Custom terms, POST /v2/email-verifications](https://datacircle.dev/validate-email-apis/getprospect/contact-us-custom-terms-post-v2-email-verifications/llms.txt): 50% complete, live
- [KaijuVerifier, contact us, Enterprise, POST /api/v1/jobs, Submit an async bulk job](https://datacircle.dev/validate-email-apis/kaijuverifier/contact-us-enterprise-post-api-v1-jobs-submit-an-async-bulk-job/llms.txt): 50% complete, stored
- [Verimail, contact us](https://datacircle.dev/validate-email-apis/verimail/contact-us/llms.txt): 50% complete, live
- [Waterfall.io, contact us](https://datacircle.dev/validate-email-apis/waterfall-io/contact-us/llms.txt): 50% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://www.bigdbm.com/pages/api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.bigdbm.com/product/real-time-enrichment-apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.bigdbm.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing