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hermes - ✅(Solved) Fix [Feature]: Support for more webhook signatures [1 pull requests, 1 participants]

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NousResearch/hermes-agent#20478•Fetched 2026-05-06 06:36:38
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PR fix notes

PR #20518: fix(webhook): support Svix signatures

Description (problem / solution / changelog)

Summary

  • add Svix-compatible svix-id / svix-timestamp / svix-signature verification to the webhook adapter
  • support whsec_ signing secrets and multiple space-delimited v1,<base64> signatures
  • cover valid, invalid, multi-signature, and partial-header rejection cases

Closes #20478

Tests

  • scripts/run_tests.sh tests/gateway/test_webhook_adapter.py -k 'svix or ValidateSignature'\n- scripts/run_tests.sh tests/gateway/test_webhook_adapter.py\n- git diff --check

Changed files

  • gateway/platforms/webhook.py (modified, +45/-1)
  • tests/gateway/test_webhook_adapter.py (modified, +87/-0)
RAW_BUFFERClick to expand / collapse

Problem or Use Case

I want to set up agentmail to send webhooks when emails are received, but hermes doesn't support the signature format it uses.

Proposed Solution

Add support for more webhook signatures, like svix webhook signatures.

Alternatives Considered

No response

Feature Type

Gateway / messaging improvement

Scope

None

Contribution

  • I'd like to implement this myself and submit a PR

Debug Report (optional)

extent analysis

TL;DR

Add support for Svix webhook signatures in Hermes to enable compatibility with Agentmail.

Guidance

  • Investigate the current signature format used by Agentmail and compare it with the formats supported by Hermes.
  • Research the Svix webhook signature format to understand its requirements and how it can be integrated into Hermes.
  • Consider creating a feature request or proposing a pull request to add support for Svix webhook signatures in Hermes.
  • Evaluate the feasibility of using an intermediate service or adapter to translate the Agentmail signature format to one compatible with Hermes.

Example

No code example is provided due to lack of specific technical details.

Notes

The solution requires a deeper understanding of the Agentmail and Svix webhook signature formats, as well as the Hermes architecture. The feasibility of adding support for new signature formats may depend on the existing design and constraints of the Hermes system.

Recommendation

Apply workaround: Implement an intermediate service or adapter to translate the Agentmail signature format to one compatible with Hermes, as adding native support for Svix webhook signatures may require significant changes to Hermes.

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#ISR setup#authentication setup#request error#file not found#serialization error

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hermes - ✅(Solved) Fix [Feature]: Support for more webhook signatures [1 pull requests, 1 participants]