SendGrid API

sendgrid.com

API

Verification pendingResearched, not yet routed

Twilio's email API for transactional and marketing sending. Buying direct: Not confirmed. Listed Sep 29, 2026.

Capabilities: 0
From: n/a
Calls, 30 days: 0
Ranked first: 0 of 0

Overview

Researched from the vendor's own pages; every fact links to its source and the day we checked it.

Email Sending & Deliverability

SendGrid (Twilio) is an email delivery platform. The v3 API at api.sendgrid.com (EU: api.eu.sendgrid.com) sends mail via POST /v3/mail/send and exposes rate-limit state in X-RateLimit headers; Twilio publishes an OpenAPI spec on GitHub.

Company

Verified

Legal name: Not confirmed
Headquarters: Boulder, US
Founded: 2009
Employees: Not confirmed
Ownership: Acquired (Twilio)
Status: acquired
Kind: Infrastructure
Website: sendgrid.com

API

Verified

Access: Self-serve API
Style: REST
Auth: Bearer token
Base URL: https://api.sendgrid.comhttps://api.eu.sendgrid.com
Features: Bulk —Async —Webhooks YesMCP —Sandbox —
Rate limit: Per-endpoint limits reported in X-RateLimit headers
Docs: Reference Rate limits

Pricing

Model: subscription
List prices: Not published
Free tier: Not confirmed
Checked: Sep 29, 2026

Compliance

SOC 2: Not confirmed
GDPR: Not confirmed
CCPA: Not confirmed
DPA: Not confirmed
Resale / storage: Unknown until a written agreement says otherwise

Relationships

Integrations: Not confirmed
Alternatives: None named by the vendor
Parent: Twilio

Sources (5)

SendGrid pricingchecked Sep 29, 2026
Wikidata: SendGridchecked Sep 29, 2026
twilio/sendgrid-oai OpenAPIchecked Sep 29, 2026
SendGrid v3 rate limitschecked Sep 29, 2026
SendGrid Mail Send APIchecked Sep 29, 2026

Placement in the Grid

Where this vendor sits on the GridRouter Grid in each category it serves. No vendor pays for placement.

Placement in the GridRouter Grid by category
Category	Placement	Execute	Coverage	Calls	Report
Email Sending & Deliverability	Not yet rated	–	–	0	View Grid

API

The vendor's OpenAPI document as stored in the catalog, its operations, and the rate limits it publishes.

Reconstructed · low confidenceOpenAPI 3.1.0 · 1 operations · checked Sep 29, 2026 Spec (YAML)

Rebuilt from the vendor's public docs, only what the pages show. Each operation links the page it came from; response shapes the docs don't spell out are left empty rather than guessed.

Operations in the sendgrid spec
Method	Path	Summary	Params	Source
POST	/v3/mail/send	Send mail	0	Docs

Rate limits

Per-endpoint limits reported in X-RateLimit headers Without a published limit GridRouter paces conservatively (1 request per second).

Compare SendGrid

Email Sending & DeliverabilityCategory