IBM Cloud (SoftLayer)

Here is an example bash command using the IBM Cloud (SoftLayer) provider:

SOFTLAYER_USERNAME=xxxxx \
SOFTLAYER_API_KEY=yyyyy \
lego --email you@example.com --dns ibmcloud -d '*.example.com' -d example.com run

Credentials

Environment Variable Name	Description
`SOFTLAYER_API_KEY`	Classic Infrastructure API key
`SOFTLAYER_USERNAME`	Username (IBM Cloud is _)

The environment variable names can be suffixed by _FILE to reference a file instead of a value. More information here.

Environment Variable Name	Description
`SOFTLAYER_POLLING_INTERVAL`	Time between DNS propagation check
`SOFTLAYER_PROPAGATION_TIMEOUT`	Maximum waiting time for DNS propagation
`SOFTLAYER_TIMEOUT`	API request timeout
`SOFTLAYER_TTL`	The TTL of the TXT record used for the DNS challenge

The environment variable names can be suffixed by _FILE to reference a file instead of a value. More information here.