Did anyone else suddenly start getting error 400 yesterday when quoting RFQ's? It started happening to me mid session at 3:14 ET yesterday and still doesnt work today
{"time": "2026-06-19T23:26:14.201126+00:00", "action": "quote_failed", "rfq_id": "d1bc29b1-e4d6-4c78-bfab-9a4b5bd334f9", "teams": "ECU+GER+NED", "no_bid": 0.6479, "target_cost": "10.0000", "error": {"status": 400, "error": {"code": "invalid_parameters", "message": "invalid parameters", "service": "midland"}, "full_response": {"error": {"code": "invalid_parameters", "message": "invalid parameters", "service": "midland"}}, "submitted_body": {"rfq_id": "d1bc29b1-e4d6-4c78-bfab-9a4b5bd334f9", "yes_bid": "0.000", "no_bid": "0.648", "rest_remainder": false, "post_only": true}}
Did anyone else suddenly start getting error 400 yesterday when quoting RFQ's? It started happening to me mid session at 3:14 ET yesterday and still doesnt work today
{"time": "2026-06-19T23:26:14.201126+00:00", "action": "quote_failed", "rfq_id": "d1bc29b1-e4d6-4c78-bfab-9a4b5bd334f9", "teams": "ECU+GER+NED", "no_bid": 0.6479, "target_cost": "10.0000", "error": {"status": 400, "error": {"code": "invalid_parameters", "message": "invalid parameters", "service": "midland"}, "full_response": {"error": {"code": "invalid_parameters", "message": "invalid parameters", "service": "midland"}}, "submitted_body": {"rfq_id": "d1bc29b1-e4d6-4c78-bfab-9a4b5bd334f9", "yes_bid": "0.000", "no_bid": "0.648", "rest_remainder": false, "post_only": true}}
was there a fee update with this new v2 end point?
was there a fee update with this new v2 end point?
Yes I got the same issue and a few others in here look like they have as well. Has anyone who has had this issue found a solution?
Yes I got the same issue and a few others in here look like they have as well. Has anyone who has had this issue found a solution?
yes have you figured this out?
yes have you figured this out?
i use the communications endpoint so ive been always using v2
i use the communications endpoint so ive been always using v2
nope still not working for me
nope still not working for me
im looking into it but lmk if you figure it out
im looking into it but lmk if you figure it out
Were you able to resolve this? Still happening to me this morning.
Were you able to resolve this? Still happening to me this morning.
same still this morning
same still this morning
Me too still getting 400s
Me too still getting 400s
Nope I'm still getting the same error trying to fix it
Nope I'm still getting the same error trying to fix it
Seems rather systemic then. Nothing helpful returning aside from 400 invalid parameters.
Seems rather systemic then. Nothing helpful returning aside from 400 invalid parameters.
i think we are all talking about /trade-api/v2/communications/quotes POST endpoint
i think we are all talking about /trade-api/v2/communications/quotes POST endpoint
I am responding to RFQ's though, not creating orders, unless I am misunderstanding something
https://docs.kalshi.com/api-reference/communications/create-quote
I am responding to RFQ's though, not creating orders, unless I am misunderstanding something
https://docs.kalshi.com/api-reference/communications/create-quote
Is there anyone that is successfully responding to RFQs right now? Has to be because I can still get filled if I make one manually on my phone
Is there anyone that is successfully responding to RFQs right now? Has to be because I can still get filled if I make one manually on my phone
still trying to figure out, still all just 400 invalid parameters
still trying to figure out, still all just 400 invalid parameters
Nope, hoping a Dev can provide some insight.
Nope, hoping a Dev can provide some insight.
Has anyone figured this one out, still stuck
Has anyone figured this one out, still stuck
Same boat. 100% failure rate, invalid parameters 400 and nothing in details field.
Same boat. 100% failure rate, invalid parameters 400 and nothing in details field.