# AgentBIT, pay as you go: Email verification API

> Email address deliverability and risk check before sending: syntax, domain, MX records, SPF, DMARC, disposable-provider detection and role-account detection. Returns a 0–100 deliverability score, risk level and per-check details. Live DNS, no mailbox pinging.

AgentBIT's x402 pay per call plan for the email verification API costs $30.00 per 1,000 emails. We check each provider's docs for 6 fields. AgentBIT's docs list 2: Deliverability, Confidence.
We haven't run AgentBIT through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
We rank 4,337 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. This plan costs less per 1,000 emails than 5% of the 4,337 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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.05.
[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), [Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/9-90-monthly-9-90-month-get-api-v1-validate/llms.txt) and [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/agentbit/pay-as-you-go
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://agentbit.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://agentbit.app/v1/email/deliverability`
- API key: not needed
- Its API docs: https://agentbit.app/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#/paths/~1v1~1email~1deliverability
- Sold by: AgentBIT (https://agentbit.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 33%
- Deliverability: ✓
- Confidence: ✓

## Price

- $ per 1,000 emails: $30.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Email address deliverability and risk check before sending: syntax, domain, MX records, SPF, DMARC, disposable-provider detection and role-account detection. Returns a 0–100 deliverability score, risk level and per-check details. Live DNS, no mailbox pinging.

## Data

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

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /v1/email/deliverability

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone with a wallet paying each call in USDC (x402), with no account or API key

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

deliverability score, risk level, check details

## AgentBIT's plans (1)

- [AgentBIT, pay as you go](https://datacircle.dev/validate-email-apis/agentbit/pay-as-you-go/llms.txt): $30.00 per 1,000, 33% complete

## AgentBIT's calls for this API (1)

- `POST /v1/email/deliverability`: [AgentBIT, pay as you go](https://datacircle.dev/validate-email-apis/agentbit/pay-as-you-go/llms.txt)

## AgentBIT's APIs (13)

- [AgentBIT: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: Amazon search API pricing, 1 plan](https://datacircle.dev/amazon-search-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: local business reviews API pricing, 1 plan](https://datacircle.dev/local-business-reviews-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: local business search API pricing, 1 plan](https://datacircle.dev/local-business-search-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: news API pricing, 1 plan](https://datacircle.dev/news-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: Google Shopping search API pricing, 1 plan](https://datacircle.dev/google-shopping-search-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: Instagram profile API pricing, 1 plan](https://datacircle.dev/instagram-profile-apis/agentbit/pay-as-you-go/llms.txt)
- [AgentBIT: web scraping API pricing, 1 plan, POST /v1/browser/render](https://datacircle.dev/web-scraping-apis/agentbit/pay-as-you-go-x402-pay-per-call-post-v1-browser-render/llms.txt)
- [AgentBIT: web scraping API pricing, 1 plan, POST /v1/web/extract](https://datacircle.dev/web-scraping-apis/agentbit/pay-as-you-go-x402-pay-per-call-post-v1-web-extract/llms.txt)
- [AgentBIT: company enrichment API pricing, 1 plan, POST /v1/company/enrich](https://datacircle.dev/company-enrichment-apis/agentbit/pay-as-you-go-x402-pay-per-call-post-v1-company-enrich/llms.txt)
- [AgentBIT: company enrichment API pricing, 1 plan, POST /v1/compliance/vat](https://datacircle.dev/company-enrichment-apis/agentbit/pay-as-you-go-x402-pay-per-call-post-v1-compliance-vat/llms.txt)

## AgentBIT: email verification API alternatives

- [Fiber AI, top-up from $3](https://datacircle.dev/validate-email-apis/fiber-ai/top-up-from-3/llms.txt): $30.00 per 1,000, 50% complete, live
- [Find or Verify, pay as you go](https://datacircle.dev/validate-email-apis/find-or-verify/pay-as-you-go/llms.txt): $30.00 per 1,000, 50% complete
- [Peachtree Data, $30 monthly](https://datacircle.dev/validate-email-apis/peachtree-data/30-monthly/llms.txt): $30.00 per 1,000, 33% complete, live
- [SellHack, $1,800 yearly](https://datacircle.dev/validate-email-apis/sellhack/1800-yearly/llms.txt): $30.00 per 1,000, 17% 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 2026-11-09.

- https://agentbit.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agentbit.app/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agentbit.app/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agentbit.app/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agentbit.app/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agentbit.app/start?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing