Some bash to work with the OIDC Discovery endpoints.
jq -s . <(curl -s https://oidc.integration.account.gov.uk/.well-known/openid-configuration) \
<(curl -s https://oidc.account.gov.uk/.well-known/openid-configuration)
jq -s . <(curl -s https://oidc.integration.account.gov.uk/.well-known/openid-configuration) \
<(curl -s https://oidc.account.gov.uk/.well-known/openid-configuration) \
| fx
jq -s . <(curl -s https://oidc.integration.account.gov.uk/.well-known/openid-configuration) \
<(curl -s https://oidc.account.gov.uk/.well-known/openid-configuration) \
| vd -f json