SendGrid
- Company typePrivate
- Founded2009
- HeadquartersDenver, United States
- Headcount251–500
- GTM typeB2B
- OfferingSoftware
SendGrid firmographics
Firmographics- Name
- SendGrid
- Legal name
- Twilio Inc.
- Website
- https://sendgrid.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Ownership category
- akta.pro rank
SendGrid industry classification
Industry- Product category
- Email API Platform
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Email Marketing Services (Campaigns, Deliverability, Lifecycle) (BPAFAKAB)
- akta.pro secondary industry
- Direct Marketing, CRM & Lifecycle (Email, SMS, Loyalty) (BPAFAAAJ)
Keywords
Where SendGrid is headquartered
LocationHeadquarters
- HQ city
- Denver
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
SendGrid business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Infrastructure, Technology or R&D, Personnel, Marketing or Sales, Operations
Revenue model
- Email API Services: Usage-based pricing for transactional email delivery via REST API and SMTP. Customers pay based on email volume sent, with tiered pricing that offers discounts at higher volumes.
- Marketing Campaigns: Subscription-based pricing for marketing email campaign management, contact storage, automation features, and campaign analytics.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Monthly | Email API volume-based tiers |
| Subscription | Monthly | Marketing Campaigns subscription |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels5 records
SendGrid product offering
Product offeringCore offering
SendGrid provides a cloud-based email API and SMTP service for transactional and marketing email delivery at scale. The platform processes over 200 billion emails monthly and offers two core products: the Twilio SendGrid Email API (REST API and SMTP relay for programmatic transactional email) and Marketing Campaigns (drag-and-drop email marketing with contact management, segmentation, and automation). It serves developers, marketing teams, and enterprises globally through self-service API access, SDKs in seven programming languages, and enterprise field sales via Twilio.
Product overview
SendGrid, now part of Twilio, operates as a two-product email platform: the core Twilio SendGrid Email API (transactional email service with SMTP and REST API) delivers emails at scale with proven deliverability handling over 200 billion emails monthly, while Marketing Campaigns provides flexible tools for creating and managing marketing email campaigns with automation, segmentation, and design capabilities. The two products are designed to serve different use cases—transactional versus marketing—while sharing the same infrastructure and account ecosystem.
Differentiator
Problem solved
Functional benefit
Brands
- Twilio SendGrid Email API: The trusted SendGrid Email API for delivery at scale, providing SMTP service and email API for transactional and marketing emails.
- Marketing Campaigns
Products and services
- Twilio SendGrid Email API Cloud-based transactional email API and SMTP relay for sending emails at scale with REST API v3 and SMTP access, real-time event webhooks, deliverability tooling (SPF, DKIM, DMARC, Engagement Quality API), and SDKs in seven programming languages. Designed for developers and enterprises sending application-triggered transactional emails such as order confirmations, shipping notifications, password resets, and customer notifications.
- Marketing Campaigns Email marketing platform with drag-and-drop and code editors, contact management, segmentation, automation, A/B testing, and campaign analytics. Designed for marketing teams creating and managing engagement campaigns and automated marketing workflows on top of SendGrid's email delivery infrastructure.
Quantifiable outcome
- Delivers over 200 billion emails per month
Companies that use SendGrid
Customer profileSegments4 records
Ideal customer profiles3 records
SendGrid technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration12 records
AI capability6 records
Feature7 records
SendGrid partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- TwiliocoreSendGrid was acquired by Twilio in 2019 and now operates as Twilio's email product division. The acquisition integrated SendGrid's email expertise with Twilio's broader customer engagement platform. SendGrid email solutions are now accessible through Twilio.com with combined offerings for email, SMS, voice, and authentication services.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
SendGrid competitors and assessment
Company assessmentDirect peers
- Mailgun: Mailgun (owned by Sinch) is a direct competitor in transactional and marketing email API/SMTP delivery, serving developers and enterprises with similar use cases (order confirmations, password resets, marketing sends) and overlapping SDK and documentation footprint.
- Postmark: Postmark (owned by ActiveCampaign) is a transactional email API provider targeting developers and SaaS companies, competing head-to-head with SendGrid on deliverability, SDK quality, and rapid transactional email infrastructure.
- SparkPost: SparkPost is an enterprise email delivery platform (now operating as MessageBird's email arm) offering transactional and marketing email at scale. Competes directly with SendGrid on high-volume send, deliverability analytics, and enterprise customer relationships.
- Brevo (formerly Sendinblue): Brevo is a European-headquartered CRM and marketing platform offering transactional email API alongside marketing campaigns, automation, and SMS. Competes with SendGrid across both transactional and marketing use cases, particularly for SMB and mid-market customers.
- Mailjet: Mailjet is a transactional and marketing email API platform owned by Sinch, offering SMTP relay, REST API, real-time analytics, and template management. Competes directly with SendGrid on developer-led transactional send, especially in European markets.
Broad incumbents
- Amazon Simple Email Service (SES): Amazon SES is a hyperscaler email sending service that competes on price for high-volume transactional send, part of AWS's broader cloud portfolio. It serves overlapping developer and enterprise customers but is not specialized in marketing campaign management.
- Microsoft Azure Communication Services Email: Microsoft's Azure Communication Services Email is a hyperscaler transactional email offering integrated with the Azure cloud ecosystem. Competes with SendGrid on price, enterprise procurement, and existing Microsoft customer relationships.
Emerging players
- Customer.io: Customer.io is a behavior-based messaging platform combining transactional and marketing email with in-app and push channels. Overlaps with SendGrid's Marketing Campaigns product for SaaS companies seeking lifecycle automation.
- Resend: Resend is a developer-first transactional email API built on top of AWS SES, targeting modern SaaS and developer audiences. Competes with SendGrid on ease-of-integration, SDK experience, and modern API design, primarily for net-new developer accounts.
- Iterable: Iterable is a cross-channel marketing platform (email, SMS, push, in-app) competing with SendGrid's Marketing Campaigns product for enterprise and consumer brands. Overlap is partial, focused on marketing automation rather than transactional API.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
SendGrid social profiles
Digital presenceSendGrid compliance and trust
Trust signalCompliance1 record
SendGrid financial estimates
Financial estimateRevenue estimate
Valuation estimate
SendGrid leadership team
Management profileNumber of profiles
Profiles5 records
SendGrid funding detail
Funding detailFunding overview
Funding rounds8 records
Investors14 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SendGrid M&A and investment
M&A and investmentM&A2 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SendGrid
What does SendGrid do?
SendGrid provides a cloud-based email API and SMTP service for transactional and marketing email delivery at scale. The platform processes over 200 billion emails monthly and offers two core products: the Twilio SendGrid Email API (REST API and SMTP relay for programmatic transactional email) and Marketing Campaigns (drag-and-drop email marketing with contact management, segmentation, and automation). It serves developers, marketing teams, and enterprises globally through self-service API access, SDKs in seven programming languages, and enterprise field sales via Twilio.
Is SendGrid a public or private company?
SendGrid is a private company. It is classified as corporate owned and is currently operating.
When was SendGrid founded?
SendGrid was founded in 2009. It employs 251 to 500 people.
Where is SendGrid based?
SendGrid is headquartered in Denver, United States, in the North America region.
How does SendGrid make money?
Two revenue lines are on record. Email API Services are the primary driver. The others are marketing Campaigns.
Who are SendGrid's main competitors?
Direct peers on record are Mailgun, Postmark, SparkPost, Brevo (formerly Sendinblue) and Mailjet. Broad incumbents are Amazon Simple Email Service (SES) and Microsoft Azure Communication Services Email. Emerging players are Customer.io, Resend and Iterable.
Does SendGrid have an API?
Yes. Twilio SendGrid provides a RESTful API (v3) for sending transactional and marketing emails, with comprehensive endpoints for mail send, event webhooks, inbound parsing, authentication, subuser management, and analytics. The API supports SMTP relay as an alternative to direct API calls. SDKs are available in C#, Go, Java, Node.js, PHP, Python, and Ruby. The platform also offers an OpenAPI specification for custom integrations. Authentication uses API keys, and features include sandbox mode for testing, scheduling, cancellation of scheduled sends, and detailed event tracking. Developer documentation is at www.twilio.com/docs/sendgrid.
What industry is SendGrid in?
SendGrid's product category is Email API Platform. Its primary akta.pro industry code is BPAFAKAB, Email Marketing Services (Campaigns, Deliverability, Lifecycle), with a secondary code of BPAFAAAJ, Direct Marketing, CRM & Lifecycle (Email, SMS, Loyalty). Its NAICS code is 5182 and its SIC code is 7372.