Cardano API: This API seems to be down at the moment. Please try again later (502)
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Jack
When syncing my Cardano wallet using my public key (xpub) I get an error:
This API seems to be down at the moment. Please try again later (502)
And some transactions import but all balances are wrong.
Status
Our dev team will investigate the issue but it looks like an outage on our API provider's side
P
Persimmon orange Scallop
A new instance of this error is occurring, started ~mid-November 2025
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This post was marked as
complete
F
Fern Ostrich
Hello, how is this fix coming along please? I cannot use Koinly for taxes if this isn't resolved.
P
Prominent Basilisk
Was this resolved? As I managed to actually import a Cardano stake key.
P
Persimmon orange Scallop
Hi, It appears this has been fixed. Is that correct?
W
Wide Mouse
Dont know if it helps but now the error has changed to “Something went wrong while syncing, try again in a few minutes or contact support”. No longer error 502.
S
Subjective Anteater
Alex_Koinly what api provider are you using? I may be able to suggest some alternatives.
FYI, I'm also having this issue, so invested in the fix :)
Alex_Koinly
Hello everyone! We are aware of this issue and working on finding a fix. It's unfortunately not as easy as we'd like, the issue is with our API provider, but rest assured that we are working on it!
Thank you for your patience
C
Comprehensive Orangutan
I'm experiencing this issue; xpub sync of Cardano wallet fails with 502 error. For context my xpub wallet synced up to 23rd February. The error presented when trying to import my first Liqwid v2 loan transactions. This could be coincidence or perhaps it has some relevance to the issue Koinly is trying to solve.
P
Prominent Basilisk
Alex_Koinly the import seems to work fine with smaller wallets, just not with my wallets with thousands of transactions
F
Fern Ostrich
How close is the to being resolved please? I have had this same issue for the past 4 weeks and am unable to get accurate tax analysis across my wallets.
Thanks,
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