sendgrid-webhooks

SKILL.md

SendGrid uses ECDSA (Elliptic Curve Digital Signature Algorithm) with public key verification.

| processed | Message has been received and is ready to be delivered | Track email processing | | delivered | Message successfully delivered to recipient | Delivery confirmation | | bounce | Message permanently rejected (includes type='blocked' for blocked messages) | Update contact lists, handle failures |

| deferred | Temporary delivery failure | Monitor delays | | open | Recipient opened the email | Engagement tracking | | click | Recipient clicked a link | Link tracking, CTR analysis | | spam report | Email marked as spam | List hygiene, sender reputation | | unsubscribe | Recipient unsubscribed | Update subscription status |

Receive and verify SendGrid webhooks. Use when setting up SendGrid webhook handlers, debugging signature verification, or handling email delivery events. Source: hookdeck/webhook-skills.

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