> ## Documentation Index > Fetch the complete documentation index at: https://guides.saber.money/llms.txt > Use this file to discover all available pages before exploring further. # Error Codes > Error codes returned at each step of the offramp flow — user creation, KYC, bank account linkage, quote, transaction, and status. Errors returned at each step of the flow, in the order the steps are called. ## Create User `POST /api/v2/user` | HTTP | Code | Message | | ---- | ------ | --------------------------- | | 400 | 5999 | Unknown error | | 500 | 100999 | Something went wrong! | | 400 | 102001 | missing required parameters | | 400 | 102003 | invalid email format | | 400 | 102004 | invalid phone format | | 400 | 102005 | invalid user uuid | | 409 | 102006 | user already exists | ## KYC `POST /api/v2/user/kyc` | HTTP | Code | Message | | ---- | ------ | ------------------------------------------------------------------------------------ | | 400 | 400 | LegalName This field is required. | | 400 | 400 | POA This field is required. | | 400 | 400 | POI This field is required. | | 400 | 5004 | dynamic, e.g. "duplicate entries found for, email, poi" | | 400 | 5999 | Unknown error | | 400 | 100999 | unable to initiate kyc | | 400 | 102001 | missing required parameters | | 400 | 102001 | Country ISO3 is required | | 400 | 102002 | invalid parameter format | | 400 | 102005 | invalid user uuid | | 400 | 103008 | state is required when address line1 is provided | | 400 | 103009 | address line1 is required when state is provided | | 400 | 203018 | `` must be a supported document type | | 400 | 203019 | `` should be earlier than today | | 400 | 203020 | `` should be valid for at least 30 days | | 400 | 203021 | `` should be a valid iso3 country code | | 400 | 203022 | source\_of\_funds must be a supported source of funds | | 400 | 203023 | occupation must be a supported occupation category | | 400 | 203024 | `` is required when issue\_date, expiry\_date or issuing\_country is provided | | 400 | 203025 | `` must be a valid date in YYYY-MM-DD format | ## Bank Account Linkage `POST /api/v2/user/bank_account` | HTTP | Code | Message | | ---- | ------ | ----------------------------------------------------------------------------------------------------------- | | 400 | 7101 | request has failed validation | | 409 | 104003 | bank account already linked to another user | | 400 | 104004 | Max limit reached for approved bank accounts, please delete any existing approved account to add a new one. | | 400 | 203007 | invalid user kyc state | | 400 | 304001 | invalid country code | | 400 | 304002 | invalid bank code | | 400 | 304003 | invalid account number | | 400 | 304005 | duplicate bank account | | 400 | 304014 | bank account already exists in name rejected state | | 400 | 304015 | bank account already exists in pending state | | 400 | 304016 | bank account already exists in rejected state | | 400 | 304017 | bank account verification is pending | ## Fetching Quote ### Pool Sell `GET /api/v2/wallet/s/quote` | HTTP | Code | Message | | ---- | ------------------------- | ----------------------------------------------------- | | 500 | 4015 / 4019 / 9009 / 9010 | Something went wrong! | | 400 | 6002 | invalid request | | 400 | 400001 | missing or invalid parameters | | 400 | 402001 | unsupported currency pair, please contact support | | 400 | 402008 | amount less than minimum amount | | 400 | 403001 | invalid request | | 409 | 403004 | reference uuid already exists or is invalid | | 503 | 901011 | service configuration missing. please contact support | ### External Sell `GET /api/v2/wallet/w/quote` | HTTP | Code | Message | | ---- | ------------------ | ----------------------------------------------------- | | 400 | 400 | missing or invalid parameters | | 500 | 4015 / 4019 / 9009 | Something went wrong! | | 400 | 6002 | invalid request | | 403 | 6002 | invalid request | | 404 | 9010 | no data found in db | | 400 | 9924 | quote invalid | | 400 | 400001 | missing or invalid parameters | | 400 | 402001 | unsupported currency pair, please contact support | | 400 | 402008 | amount less than minimum amount | | 409 | 403004 | reference uuid already exists or is invalid | | 503 | 901011 | service configuration missing. please contact support | ## Initiating Transaction ### Pool Sell `POST /api/v2/wallet/transaction/pool/sell` | HTTP | Code | Message | | ---- | --------------- | ------------------------------------------------------ | | 400 | 400001 | missing or invalid parameters | | 400 | 402001 | unsupported currency pair, please contact support | | 400 | 402002 | quote expired | | 400 | 402005 | quote invalid | | 403 | 402007 | quote doesn't belong to the client | | 400 | 403001 | validation-specific message | | 403 | 403002 | insufficient balance | | 409 | 403004 | reference uuid already exists or is invalid | | 400 | 403006 | invalid reason\_code | | 403 | 404001 | limits validation failed for the transaction | | 403 | 405001 | invalid user for this client | | 500 | 405001 / 499999 | Something went wrong! | | 403 | 406001 | pool transaction not allowed for this user | | 403 | 406002 | pool transactions not enabled. please contact support. | ### External Sell `POST /api/v2/wallet/transaction/crypto/sell` | HTTP | Code | Message | | ---- | ------ | ------------------------------------------------- | | 400 | 7082 | no deposit address found | | 400 | 400001 | missing or invalid parameters | | 400 | 402001 | unsupported currency pair, please contact support | | 400 | 402002 | quote expired | | 400 | 402003 | settlement expiry has passed | | 400 | 402004 | quote already used | | 400 | 402005 | quote invalid | | 403 | 403003 | invalid sender or refund address | | 409 | 403004 | reference uuid already exists or is invalid | | 400 | 403006 | invalid reason\_code | | 403 | 404001 | limits validation failed for the transaction | | 500 | 499999 | Something went wrong! | ### Confirm On-chain Funding `POST /api/v2/wallet/transaction/crypto/sell/{id}/confirm-onchain-funding` | HTTP | Code | Message | | ---- | ------ | --------------------------------------------------------------- | | 404 | 1001 | tranaction not found with the provided id | | 400 | 400001 | missing or invalid parameters | | 400 | 403001 | transaction hash has already been received for this transaction | | 409 | 403004 | reference uuid already exists or is invalid | | 500 | 499999 | Something went wrong! | ## Checking Status `GET /api/v2/wallet/transaction` | HTTP | Code | Message | | ---- | ---- | ---------------------- | | 400 | 3100 | Invalid user ID format | | 404 | 3100 | User not found | | 404 | 4004 | Transaction not found | ## Related topics - [Get External Sell Quote](/api-reference/offramp/from-external-wallet/get-external-sell-quote.md) - [Get External Wallet Quote](/api-reference/onramp/get-external-wallet-quote.md) - [Get Bank Codes for Country](/api-reference/bank-account-operations/get-bank-codes-for-country.md) - [Send User KYC Documents](/api-reference/kyc-and-edd-operations/kyc-sharing/send-user-kyc-documents.md) - [Add Bank Account](/api-reference/bank-account-operations/add-bank-account.md)