Overview
Svix Webhooks is a webhook callback from Svix Inc. used for webhook delivery, payment notifications, service callbacks, and server-to-server integration events.
Its primary user-agent pattern is sender-9YMgn; a representative HTTP user-agent is Svix-Webhooks/1.65.0 (sender-9YMgn; +https://www.svix.com/http-sender/) Webhooks/1.65.0 (sender-9YMgn).
Svix Webhooks is verified with Medium confidence. The identity type is Verified Bot, and the evidence basis is a public crawler reference or source-linked documentation.
Svix Webhooks is marked as not reliably governed by robots.txt directives; use server-side rules if the traffic should be restricted.
Svix Webhooks can usually be allowed after confirming the source and monitoring request volume.
Identity
- User-Agent
sender-9YMgn- HTTP Agent Examples
Svix-Webhooks/1.65.0 (sender-9YMgn; +https://www.svix.com/http-sender/) Webhooks/1.65.0 (sender-9YMgn)- Robots.txt Token
sender-9YMgn- Identity Type
- Verified Bot
- Evidence Method
- Verify Svix Webhooks by matching `sender-9YMgn` to Svix Inc. evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Classification
- Type
- Webhook
- Kind
- Webhook
- Family
- Svix Inc.
- Purpose
- webhook
Behavior and handling
- Common Use
- Svix Webhooks is used for webhook delivery, payment notifications, service callbacks, and server-to-server integration events.
- Detection Notes
- Svix Webhooks traffic is primarily detected by the `sender-9YMgn` user-agent pattern; a representative HTTP user-agent is `Svix-Webhooks/1.65.0 (sender-9YMgn; +https://www.svix.com/http-sender/) Webhooks/1.65.0 (sender-9YMgn)`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Svix Inc. infrastructure before trusting the traffic.
- Respects robots.txt
- No
- Spoofing Risk
- Svix Webhooks has medium spoofing risk because user-agent strings can be copied; pair the match with DNS, IP, behavior, or operator evidence.
- Risk
- Safe
- Recommended Handling
- No
Rules and controls
- Robots.txt Snippet
# This agent may ignore robots.txt. Use authenticated access controls or network policy when blocking is required.