Pricing

Prices are known before you pay. Every API request is paid with x402 in USDC on Base.

Browser checks are free and rate limited.

Price per check

Tool	Endpoint	Price
CAA record check	`GET /v1/dns/caa`	$0.01
DNSSEC check	`GET /v1/dns/dnssec`	$0.01
DNS lookup	`GET /v1/dns/lookup`	$0.005
Domain health check	`GET /v1/domain/health`	$0.08
RDAP domain lookup	`GET /v1/domain/rdap`	$0.01
Security headers check	`GET /v1/http/security-headers`	$0.01
BIMI record check	`GET /v1/mail/bimi`	$0.01
Mail configuration check	`GET /v1/mail/check`	$0.03
DKIM record check	`GET /v1/mail/dkim`	$0.01
DKIM selector finder	`GET /v1/mail/dkim-discover`	$0.02
DMARC check	`GET /v1/mail/dmarc`	$0.01
MTA-STS and TLS-RPT check	`GET /v1/mail/mta-sts`	$0.02
MX lookup	`GET /v1/mail/mx`	$0.01
Mail provider detection	`GET /v1/mail/provider`	$0.005
Reverse DNS check for mail servers	`GET /v1/mail/ptr`	$0.01
SPF check	`GET /v1/mail/spf`	$0.01
Site health check	`GET /v1/site/health`	$0.025
TLS certificate check	`GET /v1/tls/certificate`	$0.01

Bulk mail check

The mail configuration check also runs on up to 20 domains in one request: $0.024 per domain, with a minimum charge of $0.03 per request. The total is known before you pay. See the bulk API reference.

Domains	Price
1	$0.03
5	$0.12
10	$0.24
20	$0.48

Calculator

Number of domains

Amounts are in US dollars, settled in USDC. No account and no subscription. See payments and bulk requests.