Hi @xcy , Thanks for reaching out to us. Please send us the Fireblocks TX ID from the transaction so we can check it. I would also like to share the guide for swapping tokens on Fireblocks .

There is no generation of TX ID

Hi @xcy , please help to share the complete screenshot of the ‘transaction details’ that you shared. Also, share your sandbox workspace name or your email registered with the workspace. Thanks!

[image] xiongchenyang@hqneat.com

Hi @xcy , I’m checking further. Meanwhile may I ask you to try swapping ETH>USDT and let us know if that works.

Error is reported using USDC to convert to ETH (Sepolia)

Developer Discussion

xcy September 17, 2025, 3:17am 7

Using ETH to exchange USDC can be successful

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Error is reported using USDC to convert to ETH (Sepolia)

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