httpmon is a synthetic monitoring command line tool, written by golang.

$ httpmon --status 200 --timeout 5s https://example.com/api
ok

$ httpmon --status 200 --timeout 5s https://example.com/api
status
  expect: 200
  actual: 503
test failed: 1 failed in 1 cases

• -method (-X for short) - HTTP Method supporting methods
• -request-header - Request HTTP Header.
  • format: [header-name]=[header-value] (ex. content-type=application/json)
  • Can be specified multiple times.
• -timeout(-t for short) - Timeout for http client
  • format: numberUNIT (ex. 5m means 5 minutes, 30s means 30 seconds)
• -status (-s for short) - Expecting HTTP Status.
• -response-time(-r for short) - Expecting Response time within. Format is the same as timeout.
• -expect-header - Expecting HTTP Response header. Format is the same as request header.

• GET
• POST
• PUT
• DELETE
• PATCH