# RichAPI, free: Email verification API

> Send one address and get back a verdict: whether it is valid, whether the domain is disposable, whether an MX record exists, and a status label you can branch on. Runs a provider waterfall. If the waterfall cannot reach a verdict, the call bills zero credits.

RichAPI's email verification API on its Sandbox plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
The cheapest of the 1,712 plans we rank by price is [treg, top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt), at $0.00 per 1,000.

- This page: https://datacircle.dev/validate-email-apis/richapi/free
- [Best email verification API in 2026](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://richapi.ai/pricing
- Its API docs: https://richapi.ai/data/email-verifier
- Sold by: RichAPI (https://richapi.ai)
- Checked: 2026-10-25

## In the answer

- Completeness: 33%
- Address: ✓
- Deliverability: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Per: call
- Also pays for: from the same budget: 69 other calls

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Send one address and get back a verdict: whether it is valid, whether the domain is disposable, whether an MX record exists, and a status label you can branch on. Runs a provider waterfall. If the waterfall cannot reach a verdict, the call bills zero credits.

## Data

- Freshness: live
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 50 calls, once

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /email_verifier

## About the plan

- Plan: Sandbox
- Who can get it: anyone

## The 18 fields the plan's answer can hold

success, email, valid, status, disposable, MX found, provider, providers tried, execution log, billed, request ID, response time, credits charged, credits remaining, credit status, credit reason code, credit reason, estimated charge

## RichAPI's plans (5)

- [RichAPI, free](https://datacircle.dev/validate-email-apis/richapi/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [RichAPI, $100 pack](https://datacircle.dev/validate-email-apis/richapi/100-pack/llms.txt): $40.00 per 1,000, 33% complete, live
- [RichAPI, $450 pack](https://datacircle.dev/validate-email-apis/richapi/450-pack/llms.txt): $36.00 per 1,000, 33% complete, live
- [RichAPI, $800 pack](https://datacircle.dev/validate-email-apis/richapi/800-pack/llms.txt): $32.00 per 1,000, 33% complete, live
- [RichAPI, contact us](https://datacircle.dev/validate-email-apis/richapi/contact-us/llms.txt): 33% complete, live

## RichAPI's calls (1)

- `POST /email_verifier`: [RichAPI, free](https://datacircle.dev/validate-email-apis/richapi/free/llms.txt)

## RichAPI's APIs (19)

- [RichAPI: LinkedIn company post API pricing, 5 plans](https://datacircle.dev/linkedin-company-post-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn company search API pricing, 5 plans](https://datacircle.dev/linkedin-company-search-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn person comment API pricing, 5 plans](https://datacircle.dev/linkedin-person-comment-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn person post API pricing, 5 plans](https://datacircle.dev/linkedin-person-post-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn person reaction API pricing, 5 plans](https://datacircle.dev/linkedin-person-reaction-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn job details API pricing, 5 plans](https://datacircle.dev/linkedin-job-details-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn job search API pricing, 5 plans](https://datacircle.dev/linkedin-job-search-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn post comment API pricing, 5 plans](https://datacircle.dev/linkedin-post-comment-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn post details API pricing, 5 plans](https://datacircle.dev/linkedin-post-details-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn post reaction API pricing, 5 plans](https://datacircle.dev/linkedin-post-reaction-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn post search API pricing, 5 plans](https://datacircle.dev/linkedin-post-search-apis/richapi/free/llms.txt)
- [RichAPI: company technology API pricing, 5 plans](https://datacircle.dev/company-technology-apis/richapi/free/llms.txt)
- [RichAPI: email verification API pricing, 5 plans](https://datacircle.dev/validate-email-apis/richapi/free/llms.txt)
- [RichAPI: email finder API pricing, 5 plans](https://datacircle.dev/find-email-apis/richapi/free/llms.txt)
- [RichAPI: phone finder API pricing, 5 plans](https://datacircle.dev/find-phone-apis/richapi/free/llms.txt)
- [RichAPI: reverse email lookup API pricing, 5 plans](https://datacircle.dev/reverse-email-lookup-apis/richapi/free/llms.txt)
- [RichAPI: LinkedIn company data API pricing, 6 plans, POST /enrich_companies_bulk](https://datacircle.dev/linkedin-company-profile-apis/richapi/free-sandbox-post-enrich-companies-bulk/llms.txt)
- [RichAPI: LinkedIn company data API pricing, 6 plans, POST /enrich_company](https://datacircle.dev/linkedin-company-profile-apis/richapi/free-sandbox-post-enrich-company/llms.txt)
- [RichAPI: LinkedIn profile API pricing, 10 plans, POST /enrich_profiles_bulk](https://datacircle.dev/linkedin-profile-apis/richapi/free-sandbox-post-enrich-profiles-bulk/llms.txt)
- [RichAPI: LinkedIn profile API pricing, 10 plans, POST /enrich_profile, Profile Enrichment](https://datacircle.dev/linkedin-profile-apis/richapi/free-sandbox-post-enrich-profile-profile-enrichment/llms.txt)
- [RichAPI: LinkedIn profile API pricing, 10 plans, POST /enrich_profile, Profile Enrichment, full](https://datacircle.dev/linkedin-profile-apis/richapi/free-sandbox-post-enrich-profile-profile-enrichment-full/llms.txt)
- [RichAPI: LinkedIn people search API pricing, 5 plans, POST /lead_search](https://datacircle.dev/linkedin-people-search-apis/richapi/free-sandbox-post-lead-search/llms.txt)
- [RichAPI: LinkedIn people search API pricing, 5 plans, POST /linkedin_company_employees_search](https://datacircle.dev/linkedin-people-search-apis/richapi/free-sandbox-post-linkedin-company-employees-search/llms.txt)
- [RichAPI: LinkedIn people search API pricing, 5 plans, POST /profile_search](https://datacircle.dev/linkedin-people-search-apis/richapi/free-sandbox-post-profile-search/llms.txt)
- [RichAPI: LinkedIn people search API pricing, 5 plans, POST /people_search](https://datacircle.dev/linkedin-people-search-apis/richapi/free-sandbox-post-people-search/llms.txt)

## RichAPI: email verification API alternatives

- [DeBounce, top-up from $75, 50K credits, GET /v1/, Single email validation, full](https://datacircle.dev/validate-email-apis/debounce/top-up-from-75-50k-credits-get-v1-single-email-validation-full/llms.txt): $31.50 per 1,000, 50% complete, live
- [Dropcontact, €942 monthly](https://datacircle.dev/validate-email-apis/dropcontact/942-monthly/llms.txt): $32.122 per 1,000, 33% complete, live
- [Tomba, $22,491 yearly, Scale 350k, GET /email-verifier, Email Verifier, full](https://datacircle.dev/validate-email-apis/tomba/22491-yearly-scale-350k-get-email-verifier-email-verifier-full/llms.txt): $32.13 per 1,000, 50% complete, live
- [Evaboot, $99 monthly, Scale, 3,000 credits a month, POST /v1/email-validation/single/](https://datacircle.dev/validate-email-apis/evaboot/99-monthly/llms.txt): $33.00 per 1,000, 33% 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 2026-10-25.

- https://app.richapi.ai/api/openapi
- https://rapidapi.com/RichAPI/api/linkedin-scraper-api13
- https://rapidapi.com/RichAPI/api/linkedin-scraper-api13/pricing
- https://rapidapi.com/terms
- https://richapi.ai/data-transparency
- https://richapi.ai/data/email-verifier
- https://richapi.ai/data/person-enrichment
- https://richapi.ai/playbooks/catch-all-then-personal-email
- https://richapi.ai/pricing
- https://richapi.ai/pricing.md
- https://richapi.ai/security
- https://richapi.ai/terms