SendGrid website screenshot

SendGrid

SendGrid is a cloud-based email delivery platform that provides reliable transactional and marketing email services.

SendGrid publishes 63 APIs on the APIs.io network, including Account API, Account State API, Alerts API, and 60 more. Tagged areas include Email, Email API, Marketing Email, SMTP, and T1.

The SendGrid catalog on APIs.io includes 2 event-driven AsyncAPI specifications and 2 Spectral governance rulesets.

SendGrid’s developer surface includes changelog, sandbox, authentication, developer portal, documentation, API reference, getting-started guide, and 61 more developer resources.

76.4/100 exemplar ▬ flat Agent 59/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serveFree trial⚡ Free to try
63 APIs 1 MCP Servers 16 Features
EmailEmail APIMarketing EmailSMTPT1Transactional Email

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 76.4/100 · exemplar
Contract Quality 18.4 / 25
Developer Ergonomics 16.1 / 20
Commercial Clarity 18.4 / 20
Operational Transparency 10.3 / 13
Governance 6.4 / 12
Discoverability 6.9 / 10
Agent readiness — 59/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 0 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/sendgrid: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 63

Individual APIs this provider publishes, each with its own machine-readable definition.

SendGrid Account API

Twilio SendGrid Account Provisioning API account operations.

SendGrid Account State API

Twilio SendGrid Account Provisioning API account state operations.

SendGrid Alerts API

Twilio SendGrid Alerts API.

SendGrid API Keys API

Twilio SendGrid API Keys API.

SendGrid Blocks API

Twilio SendGrid Suppressions API: Blocks operations

SendGrid Bounces API

Twilio SendGrid Suppressions API: Bounces operations

SendGrid Bulk Email Address Validation API

The Twilio SendGrid Bulk Email Address Validation API

SendGrid Campaigns API API

Legacy Marketing Campaigns: Campaigns API

SendGrid Categories API

Twilio SendGrid Category Stats API

SendGrid Contacts API

Twilio SendGrid Marketing Campaigns Contacts API

SendGrid Custom Fields API

Twilio SendGrid Legacy Marketing Campaigns Contacts: Custom Fields API

SendGrid Designs API

Twilio SendGrid Marketing Campaigns Designs API

SendGrid Domain Authentication API

Twilio SendGrid Domain Authentication API

SendGrid Email Activity API

Twilio SendGrid Email Activity API

SendGrid Email Address Validation API

The Twilio SendGrid Email Address Validation API

SendGrid Enforced TLS API

The Twilio SendGrid Enforced TLS API

SendGrid Engagement Quality API

Twilio SendGrid Engagement Quality API

SendGrid Event Webhook API

Twilio SendGrid Event Webhook API

SendGrid External Integration Endpoints API

Third-Party Integrations for SendGrid Event Export

SendGrid Global Suppressions API

Twilio SendGrid Suppressions API: Global Suppressions operations

SendGrid Invalid Emails API

Twilio SendGrid Suppressions API: Invalid Emails operations

SendGrid IP Access Management API

Twilio SendGrid IP Access Management API

SendGrid IP Address Management API

Twilio SendGrid IP Address Management API

SendGrid IP Addresses API

Twilio SendGrid IP Address API Operations

SendGrid IP Pools API

Twilio SendGrid IP Address Pool API Operations

SendGrid IP Warmup API

Twilio SendGrid IP Warmup API

SendGrid Link Branding API

Twilio SendGrid Link Branding API

SendGrid Lists API

Twilio SendGrid Legacy Marketing Campaigns Contacts: Lists API

SendGrid Mail Batch API

Assign batch IDs to a send.

SendGrid Mail Send API

Twilio Mail Send API.

SendGrid Mail Settings API

Twilio SendGrid Mail Settings API

SendGrid Offering API

Twilio SendGrid Account Provisioning API offerings operations.

SendGrid Parse Webhook API

Twilio SendGrid Parse Webhook API

SendGrid Partner Settings API

Twilio SendGrid Partner Settings API

SendGrid Point Delete System API

Twilio SendGrid Recipients' Data Erasure API

SendGrid Recipients API

Twilio SendGrid Legacy Marketing Campaigns Contacts: Recipients API

SendGrid Reverse DNS API

Twilio SendGrid Reverse DNS API

SendGrid Scheduled Sends API

Twilio SendGrid Scheduled Sends API

SendGrid Scopes API

Twilio SendGrid Scopes API

SendGrid Segmenting Contacts API

Twilio SendGrid Marketing Campaigns Segments API

SendGrid Segmenting Contacts V2 API

Twilio SendGrid Marketing Campaigns Segments API V2

SendGrid Segments API

Twilio SendGrid Legacy Marketing Campaigns Contacts: Segments API

SendGrid Send Test Email API

Twilio SendGrid Marketing Campaigns Send Test Email API

SendGrid Sender Identities API

Twilio SendGrid Legacy Marketing Campaigns Sender Identities API

SendGrid Sender Verification API

Twilio SendGrid Sender Verification API

SendGrid Senders API

Twilio SendGrid Marketing Campaigns Senders API

SendGrid Single Sends API

Twilio SendGrid Marketing Campaigns Single Sends API

SendGrid Spam Reports API

Twilio SendGrid Suppressions API: Spam Reports operations

SendGrid SSO Certificates API

Twilio SendGrid Single Sign-On Certificate Operations

SendGrid SSO Settings API

Twilio SendGrid Single Sign-On Settings Operations

SendGrid SSO Teammates API

Twilio SendGrid Single Sign-On Teammates Operations

SendGrid Stats API

Twilio SendGrid Marketing Campaigns Stats API

SendGrid Subuser Statistics API

Twilio SendGrid Subusers API: Statistics Operations

SendGrid Subuser Website Access API

The Subuser Website Access API from SendGrid — 1 operation(s) for subuser website access.

SendGrid Subusers API

Twilio SendGrid Subusers API

SendGrid Suppressions API

Twilio SendGrid Suppressions API

SendGrid Teammates API

Twilio SendGrid Teammates API

SendGrid Templates API

Twilio SendGrid Templates API

SendGrid Templates Versions API

Twilio SendGrid Templates API: Versions operations

SendGrid Tracking API

Twilio SendGrid Tracking Settings API

SendGrid Unsubscribe Groups API

Twilio SendGrid Suppressions API: Unsubscribe Group operations

SendGrid Users API API

Twilio SendGrid Users API.

SendGrid Webhook Security API

Twilio SendGrid Webhook Security API

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Postman Collections 44

Ready-to-run Postman collections for exercising this provider's APIs.

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Arazzo Workflows 19

Multi-step API workflows described with the Arazzo specification.

SendGrid Campaign Test Then Send

Create a campaign, send a test to yourself, and send the campaign for real.

ARAZZO

SendGrid Create List and Add Contacts

Create a marketing list, upsert contacts directly into it, and confirm they landed.

ARAZZO

SendGrid Create and Schedule Campaign

Create a legacy Marketing Campaign targeting lists and schedule it for delivery.

ARAZZO

SendGrid Create and Schedule Single Send

Create a Single Send draft, schedule it for delivery, and read it back.

ARAZZO

SendGrid Create Segment From List

Create a marketing list, build a segment filtered on that list, and refresh it.

ARAZZO

SendGrid Create Sender and Resend Verification

Create a Marketing Campaigns sender and resend its verification when not auto-verified.

ARAZZO

SendGrid Create Verified Sender

Create a Single Sender identity and check whether sender verification has completed.

ARAZZO

SendGrid Design to Single Send

Create a reusable design, create a recipient list, and build a Single Send that uses both.

ARAZZO

SendGrid Duplicate Template

Duplicate an existing transactional template and read the new copy back.

ARAZZO

SendGrid Dynamic Template Send

Create a dynamic transactional template, add a version, and send mail using it.

ARAZZO

SendGrid Global Suppress and Check

Add an address to the global suppression list and read it back to confirm.

ARAZZO

SendGrid List Add Contacts and Count

Create a list, upsert contacts into it, and branch on the list's contact count.

ARAZZO

SendGrid Refresh Segment and Get

Create a segment, manually refresh it, then read it back to inspect its membership.

ARAZZO

SendGrid Search Contacts and Suppress

Find contacts with an SGQL query and add the matched address to the global suppression list.

ARAZZO

SendGrid Send Transactional Mail

Send a single transactional email and branch on whether it was accepted.

ARAZZO

SendGrid Single Send Stats

List Single Sends, branch on whether any exist, and pull aggregate stats for one.

ARAZZO

SendGrid Suppression Group Add

Create an unsubscribe suppression group, add addresses to it, and list its suppressions.

ARAZZO

SendGrid Template Version Activate

Create a template, add a version, activate that version, and read the template back.

ARAZZO

SendGrid Upsert Contacts and Confirm

Upsert contacts asynchronously and branch on whether they can be confirmed yet.

ARAZZO

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MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

sendgrid-mcp.yml

MCP SERVER

GraphQL 1

GraphQL schemas published by this provider.

SendGrid GraphQL

SendGrid Conceptual GraphQL Schema

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Sendgrid Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Features 16

Notable capabilities this provider offers.

Mail Send v3 API for transactional email
SMTP Relay for legacy app integration
Marketing Campaigns API and UI
Contacts API with custom fields and segments
Email Validation API
Inbound Parse webhook
Free Trial: 100 emails/day for 60 days
Essentials at $19.95/mo for 100k emails
Pro at $89.95/mo for 2.5M emails with dedicated IP
Premier custom pricing with $12k/year minimum
Mail Send rate limit: 100/min Free, 600/min Paid
Subusers for billing and access isolation
SPF, DKIM, DMARC authentication
Activity Feed (3-day Essentials, 7-day Pro)
Send Time Optimization (Pro+)
Tiered IP warm-up service (Premier)

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Event Specifications 2

AsyncAPI definitions for this provider's event-driven and streaming APIs.

SendGrid Event Webhook

The SendGrid Event Webhook delivers near real-time event data about your email activity via HTTP POST requests. SendGrid batches events into arrays and sends them to your config...

ASYNCAPI

SendGrid Inbound Parse Webhook

The SendGrid Inbound Parse Webhook processes all incoming email for a domain or subdomain, parses the contents and attachments, and then POSTs multipart/form-data to a URL that ...

ASYNCAPI

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

SendGrid API Rules

7 rules · 1 errors 6 warnings

SPECTRAL

SendGrid API Rules

10 rules · 1 errors 9 warnings

SPECTRAL

Security Posture 4

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Sendgrid Authentication

http · 1 scheme

SECURITY

Sendgrid Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Sendgrid Trust Center

SOC 2 Type II, SOC 2 Type I, ISO/IEC 27001:2013, ISO/IEC 27017:2015, ISO/IEC 27018:2019, PCI DSS Level 1, PCI DSS Level 4, HIPAA (eligible products & services), Binding Corporat...

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Sendgrid Agentic Access

389 operations · 209 acting · 5 human-in-the-loop

389 operations · 209 acting

AGENTIC

Resources

Get Started 6

Portal, sign-up, and the first successful call

Documentation 4

Reference material describing how the API behaves

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 24

Pagination, idempotency, versioning, errors, and events

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Build 11

SDKs, sample code, and the tooling you integrate with

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Access & Security 6

Authentication, authorization, and security posture

Operate 6

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 4

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: sendgrid
url: https://raw.githubusercontent.com/api-evangelist/sendgrid/refs/heads/main/apis.yml
apis:
- aid: sendgrid:sendgrid-account-api
  name: SendGrid Account API
  description: Twilio SendGrid Account Provisioning API account operations.
  humanURL: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/sendgrid-account-api-openapi.yml
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/alerts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-keys
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-activity
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-address-validation
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/enforced-tls
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-integrations
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-access-management
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-warmup
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/link-branding
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/campaigns-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts-api-custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-send
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/designs-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/lists
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts-v2
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/senders
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/marketing-campaign-stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/send-test-email
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/partner-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/recipients-data-erasure
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/reverse-dns
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/cancel-scheduled-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-key-permissions
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-engagement-quality-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sign-on-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/subusers-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/suppressions-unsubscribe-groups
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/teammates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/transactional-templates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/settings-tracking
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/users-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-verification
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/webhooks
- aid: sendgrid:sendgrid-account-state-api
  name: SendGrid Account State API
  description: Twilio SendGrid Account Provisioning API account state operations.
  humanURL: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  tags:
  - Account State
  properties:
  - type: OpenAPI
    url: openapi/sendgrid-account-state-api-openapi.yml
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/alerts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-keys
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-activity
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-address-validation
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/enforced-tls
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-integrations
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-access-management
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-warmup
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/link-branding
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/campaigns-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts-api-custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-send
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/designs-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/lists
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts-v2
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/senders
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/marketing-campaign-stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/send-test-email
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/partner-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/recipients-data-erasure
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/reverse-dns
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/cancel-scheduled-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-key-permissions
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-engagement-quality-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sign-on-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/subusers-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/suppressions-unsubscribe-groups
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/teammates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/transactional-templates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/settings-tracking
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/users-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-verification
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/webhooks
- aid: sendgrid:sendgrid-alerts-api
  name: SendGrid Alerts API
  description: Twilio SendGrid Alerts API.
  humanURL: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  tags:
  - Alerts
  properties:
  - type: OpenAPI
    url: openapi/sendgrid-alerts-api-openapi.yml
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/alerts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-keys
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-activity
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-address-validation
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/enforced-tls
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-integrations
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-access-management
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-warmup
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/link-branding
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/campaigns-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts-api-custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-send
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/designs-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/lists
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts-v2
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/senders
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/marketing-campaign-stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/send-test-email
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/partner-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/recipients-data-erasure
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/reverse-dns
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/cancel-scheduled-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-key-permissions
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-engagement-quality-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sign-on-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/subusers-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/suppressions-unsubscribe-groups
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/teammates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/transactional-templates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/settings-tracking
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/users-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-verification
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/webhooks
- aid: sendgrid:sendgrid-api-keys-api
  name: SendGrid API Keys API
  description: Twilio SendGrid API Keys API.
  humanURL: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  tags:
  - API Keys
  properties:
  - type: OpenAPI
    url: openapi/sendgrid-api-keys-api-openapi.yml
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/alerts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-keys
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-activity
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-address-validation
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/enforced-tls
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-integrations
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-access-management
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-warmup
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/link-branding
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/campaigns-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts-api-custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-send
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/designs-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/lists
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts-v2
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/senders
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/marketing-campaign-stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/send-test-email
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/partner-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/recipients-data-erasure
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/reverse-dns
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/cancel-scheduled-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-key-permissions
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-engagement-quality-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sign-on-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/subusers-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/suppressions-unsubscribe-groups
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/teammates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/transactional-templates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/settings-tracking
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/users-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-verification
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/webhooks
- aid: sendgrid:sendgrid-blocks-api
  name: SendGrid Blocks API
  description: 'Twilio SendGrid Suppressions API: Blocks operations'
  humanURL: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  tags:
  - Blocks
  properties:
  - type: OpenAPI
    url: openapi/sendgrid-blocks-api-openapi.yml
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/alerts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-keys
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-activity
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-address-validation
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/enforced-tls
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-integrations
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-access-management
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-warmup
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/link-branding
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/campaigns-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts-api-custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-send
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/designs-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/lists
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts-v2
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/senders
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/marketing-campaign-stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/send-test-email
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/partner-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/recipients-data-erasure
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/reverse-dns
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/cancel-scheduled-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-key-permissions
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-engagement-quality-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sign-on-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/subusers-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/suppressions-unsubscribe-groups
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/teammates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/transactional-templates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/settings-tracking
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/users-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-verification
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/webhooks
- aid: sendgrid:sendgrid-bounces-api
  name: SendGrid Bounces API
  description: 'Twilio SendGrid Suppressions API: Bounces operations'
  humanURL: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  tags:
  - Bounces
  properties:
  - type: OpenAPI
    url: openapi/sendgrid-bounces-api-openapi.yml
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/alerts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-keys
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-activity
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-address-validation
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/enforced-tls
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-integrations
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-access-management
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-warmup
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/link-branding
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/campaigns-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts-api-custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-send
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/designs-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/lists
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts-v2
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/senders
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/marketing-campaign-stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/send-test-email
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/partner-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/recipients-data-erasure
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/reverse-dns
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/cancel-scheduled-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-key-permissions
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-engagement-quality-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sign-on-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/subusers-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/suppressions-unsubscribe-groups
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/teammates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/transactional-templates
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/settings-tracking
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/users-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-verification
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/webhooks
- aid: sendgrid:sendgrid-bulk-email-address-validation-api
  name: SendGrid Bulk Email Address Validation API
  description: The Twilio SendGrid Bulk Email Address Validation API
  humanURL: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  tags:
  - Bulk Email Address Validation
  properties:
  - type: OpenAPI
    url: openapi/sendgrid-bulk-email-address-validation-api-openapi.yml
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/account-provisioning
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/alerts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-keys
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-activity
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/email-address-validation
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/enforced-tls
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-integrations
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-access-management
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-warmup
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/ip-address
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/link-branding
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/campaigns-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts-api-custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/mail-send
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/custom-fields
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/designs-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/lists
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts-v2
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/segmenting-contacts
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/senders
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/marketing-campaign-stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/send-test-email
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/partner-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/recipients-data-erasure
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/reverse-dns
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/cancel-scheduled-sends
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/api-key-permissions
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/sendgrid-engagement-quality-api
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/single-sign-on-settings
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid/api-reference/stats
  - type: Documentation
    url: https://www.twilio.com/docs/sendgrid

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# Full source: https://raw.githubusercontent.com/api-evangelist/sendgrid/refs/heads/main/apis.yml