On 12-10-2022 12:30, Mortimer Cladwell wrote: > Hi, > Has anyone successfully submitted a bearer token to Twitter v2 api using > http-request? What syntax did you use? Without success I have tried many > permutations/splellings/capitalizations of: Note that Guile sometimes sends uncapitalised headers (as allowed by the relevant RFCs), but some implementations are stricter than permitted by the standard and expect capitalisation. See '[PATCH] web: send capitalized authorization scheme': * https://lists.gnu.org/archive/html/guile-devel/2022-06/msg00020.html * https://lists.gnu.org/archive/html/guile-devel/2022-06/msg00008.html Perhaps the same thing is happening here. It appears that the patch was applied, but I don't know if it's in a release yet. Greetings, Maxime.