hey compose returns 500 Internal Server Error

[jaxson]

Description

hey compose consistently returns a 500 Internal Server Error for all requests, including minimal ones.

Steps to Reproduce

hey compose --to "test@example.com" --subject "Test" -m "Hello"

Expected Behavior

Email is composed and sent.

Actual Behavior

{
  "ok": false,
  "error": "API error: 500 Internal Server Error",
  "code": "api"
}

Debug Output

time=2026-03-10T17:55:35.179-04:00 level=DEBUG msg="http request" method=POST url=https://app.hey.com/messages.json
time=2026-03-10T17:55:35.302-04:00 level=DEBUG msg="http response" status=500

Environment

• hey-cli version: ff3dbbf (built from source, 2026-03-10)
• Go: 1.26.1
• OS: macOS (Darwin 25.2.0, arm64)
• Auth: OAuth, valid, not expired
• hey doctor: all checks pass
• hey auth status: authenticated, credentials in keyring

Notes

• Happens with any recipient, subject, or body content
• Other commands (hey boxes, hey auth status, hey doctor) work fine
• Only the POST /messages.json endpoint appears affected

[jeissonneira]

Same here! It hasn't been announce so I suspect it will be fixed on official release :)

[monorkin]

Hey @jaxson I fixed that issue last week.

$ hey compose --to "test@example.com" --subject "Test" -m "Hello"
Message sent.

Let me know if it works for you

[cpinto]

although i wasn't the original reporter i can confirm that the compose command is working for me

[jaxson]

Yep looks like it's working now cheers.