sendgrid
io.usefulapi/sendgrid
Send email and read templates, marketing contacts, lists, stats, bounces and unsubscribes.
Communication
Findings
(connection)· transportStreamable HTTP error: Error POSTing to endpoint: {"type":"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1015/","title":"Error 1015: You are being rate limited","status":429,"detail":"You are being rate-limited by the website owner's configuration.","instance":"a2ffe0eb7e7ff52a","error_code":1015,"error_name":"rate_limited","error_category":"rate_limit","ray_id":"a2ffe0eb7e7ff52a","timestamp":"2026-08-24T05:15:20Z","zone":"sendgrid.usefu
Check history
updated 7d ago·re-checked weekly
| Date | Grade | Errors | Warnings |
|---|---|---|---|
| 2026-08-24 | unreachable | — | — |
| 2026-08-17 | unreachable | — | — |
| 2026-08-10 | unreachable | — | — |
| 2026-08-03 | unreachable | — | — |
| 2026-07-27 | unreachable | — | — |
| 2026-07-20 | unreachable | — | — |
Graded by connecting to the live server and validating every tool schema. Grades re-run on every sync. Findings and grades are never editable by the publisher.
Related servers
Kick the tires on your own server: run a check