Twilio SendGrid Email Address Validation API
Email verification software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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$89.95 per month
Free Trial unavailableFree version unavailable
Small
Medium
Large
- Retail and wholesale
- Education and training
- Media and communications
What is Twilio SendGrid Email Address Validation API
Twilio SendGrid Email Address Validation API is an API-based email verification service that checks whether an email address is syntactically valid, has a reachable domain, and is likely deliverable. It is used by developers and operations teams to validate addresses at signup, during list imports, or before sending campaigns to reduce bounces and protect sender reputation. The product is designed for programmatic integration into applications and data pipelines and fits organizations that already use APIs for messaging or email delivery workflows.
API-first validation workflow
The product is delivered as an API, making it straightforward to embed validation into web forms, backend services, and ETL processes. This supports real-time checks at the point of capture as well as batch-style validation before sending. API delivery also makes it easier to standardize validation across multiple applications and teams.
Deliverability-focused checks
It evaluates common factors that affect deliverability, such as address formatting, domain/MX configuration, and risk signals that indicate an address may not accept mail. These checks help reduce hard bounces and improve list hygiene before email is sent. This is particularly relevant for teams running transactional email, lifecycle messaging, or high-volume outreach where bounce rates are monitored.
Fits Twilio SendGrid ecosystems
For organizations already using Twilio SendGrid for email delivery, the validation API can align with existing authentication, billing, and operational practices. This can simplify procurement and reduce the number of separate vendors involved in email operations. It also supports centralized governance for email-related services within the same vendor relationship.
Not a lead data platform
The API focuses on verifying email addresses rather than finding new contacts or enriching lead records. Teams looking for prospecting databases, intent signals, or sales engagement features typically need additional tools. This can increase overall stack complexity for sales and growth teams that want both discovery and verification in one place.
Integration required for value
Because it is API-based, it generally requires engineering effort to integrate into forms, CRMs, or data workflows. Non-technical users may not have a full self-serve UI for list cleaning without internal tooling. Organizations without developer capacity may prefer products that provide turnkey bulk upload and workflow automation.
Verification is probabilistic
Like other verification services, results depend on external mail server behavior and can be affected by catch-all domains, temporary blocks, or anti-abuse configurations. A “valid” result does not guarantee inbox placement or that a recipient will engage. Teams still need suppression management, consent controls, and deliverability monitoring to manage risk.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Free Trial | $0/mo for 60 days | Free trial for Email API; Email Address Validation NOT included (SendGrid Email Validation is available only on Pro and Premier). |
| Essentials | Starting at $19.95 per month | Email API Essentials tier; does NOT include Email Address Validation. |
| Pro | Starting at $89.95 per month | Includes Email Address Validation: 2,500 validations included. Additional validations billed pay-per-validation after exceeding plan limit. Email Address Validation API access is limited to Pro and Premier accounts. |
| Premier | Custom pricing (contact sales) | Includes Email Address Validation: 5,000 validations included. Higher volumes and custom pricing available by contacting sales; additional validations billed pay-per-validation after exceeding plan limit. |
Seller details
Twilio Inc.
San Francisco, CA, USA
2008
Public
https://www.twilio.com/
https://x.com/twilio
https://www.linkedin.com/company/twilio-inc-/
