BillionVerify vs InboxTrue

BillionVerify

Figure	BillionVerify	InboxTrue
Price from	$0.67/mo	Free
Free plan	Yes	Yes
Free trial	Yes	—
Open source	—	—
Web	Yes	Yes
API	Yes	Yes
Plans published	3	3
Spec score · Email Verification APIs	8.4 (#2)	7.9 (#10)
Compliance	The Trust Center documents GDPR operational support and says customers can request a data processing agreement.	For EU, UK, or Swiss personal data transfers, the policy says InboxTrue relies on safeguards such as Standard Contractual Clauses or other lawful transfer mechanisms.
Integrations	The maker lists integrations including Gmail, HubSpot, Mailchimp, Salesforce, Slack, Pipedrive, Zapier, Make, and Integrately.	The maker describes integration through a REST API but does not name third-party app integrations on the opened pages.
Intended users	The maker identifies SaaS companies, sales and marketing agencies, and e-commerce businesses as customer groups.	The privacy policy says the service is intended for businesses and developers and is not directed to children.
Security	The security overview states that HTTPS/TLS protects website, dashboard, and API traffic, and that the company does not currently maintain a completed SOC 2 attestation.	The privacy policy says data is encrypted in transit and at rest, access is role-based and audit logged, and API keys are hashed.
Support	Support is available by email at [email protected].	Enterprise customers can request dedicated support, and the API documentation says customers can contact InboxTrue about higher rate limits.

BillionVerify has no write-up on Specifiction yet; its figures are above.

InboxTrue has no write-up on Specifiction yet; its figures are above.