SendGrid (Twilio) vs Convex

SendGrid (Twilio)

Convex

SendGrid (Twilio) · 12 features

• Dedicated IPs — Auto IP warmup, multiple IP pools per brand/customer.
• Dynamic Templates — Handlebars-based with versioning + A/B testing on subject/content.
• Email API (v3) — REST + SMTP. Dozens of endpoints for mail, stats, templates, subusers.
• Email Validation — Verify email addresses before sending. Credits per check.
• Event Webhook — Raw stream of send/delivery/bounce/open/click/unsubscribe/spamreport events.
• Inbound Parse — Route incoming mail → your webhook. Attachments + spam score.
• Link Branding — Track links on your own domain for reputation.
• Marketing Campaigns — Separate UI for bulk promotional sends. Segmentation, A/B, automation.
• SAML SSO — Premier tier only. SAML 2.0 auth for account access.
• Stats + Reports — Aggregated + per-category + per-subuser delivery metrics.
• Subusers — Isolate multi-tenant sends. Each subuser has own stats + API key + reputation.
• Suppression Groups — Granular unsubscribe groups (newsletter vs billing, etc.).

Convex · 18 features

• Actions — Non-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea…
• Authentication — Convex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens …
• Convex Agents — AI agent framework with durable memory, threads, tool use. Works with OpenAI / A…
• Convex Auth — First-party auth library: passwords, magic links, OAuth, phone — stored in your …
• Convex Components — Reusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc…
• Cron Jobs — Recurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
• Durable Workflows — Long-running multi-step workflows with retries and at-least-once guarantees.
• Exception Reporting — Auto-capture errors to Sentry, Axiom, Datadog.
• File Storage — Upload/download via storage API. Returns storage IDs referenced in documents.
• Full-Text Search — BM25 search index on table fields. withSearchIndex query helper.
• HTTP Actions — Expose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat…
• Log Streams — Stream function logs to Axiom, Datadog, Sentry. Pro+.
• Mutations — Transactional write functions. All reads + writes in one mutation are ACID; conf…
• Preview Deployments — Every Git branch gets its own isolated deployment. Integrates with Vercel/Netlif…
• Queries — Deterministic read-only TS functions. Automatically cached and re-run when under…
• Real-Time Subscriptions — useQuery auto-subscribes; server invalidates when data a query read changes. No …
• Scheduler — schedule.after / schedule.at — enqueue functions to run later. Durable, survives…
• Vector Search — Native vector index on tables. withIndex + filter fields. Up to 4096 dims.