Errors

Every error response carries a numeric code and a stable string key. message is human-readable and may change; always branch on key.

{
  "requestId": "01900b...",
  "success": false,
  "error": { "code": 1500, "key": "INSUFFICIENT_BALANCE", "message": "..." }
}

See Error handling for retry strategy.

Code blocks

Codes are organized into 100-block ranges by domain, with sub-groups every 10 codes inside a domain.

Range	Domain
1000–1099	General / Infrastructure
1100–1199	Auth
1200–1299	2FA
1300–1399	Account access
1400–1499	User Settings
1500–1599	Wallet
1600–1699	Deposits (gateway: gatepay, onramp)
1700–1799	Withdrawals (reserved)
1800–1899	Crypto Deposits / Withdrawals
1900–1999	Merchant Management
2000–2099	Marketplace
2100–2199	Sell / own Steam bots

HTTP status mapping

Status	When
`400`	Generic bad request (`BAD_REQUEST`).
`401`	Missing or invalid auth, including expired tokens.
`403`	Authenticated but not permitted (suspended, IP not allowed, calling a dashboard-only route).
`404`	Resource doesn’t exist.
`409`	Resource conflict (idempotency replay, duplicate email, etc.).
`410`	Gone (a one-shot 2FA code was already used).
`422`	Validation or business-rule failure.
`429`	Rate limited.
`500`	Internal error.
`502`	Upstream gateway error (Discord OAuth, marketplace partner, crypto RPC).
`503`	Service unavailable (no marketplace workers healthy, FX unavailable, maintenance).
`504`	Marketplace worker did not respond in time.

General / Infrastructure (1001–1007)

Cross-cutting errors that any endpoint can return.

Code	Key	HTTP	Meaning
1001	`VALIDATION_FAILED`	422	Request body / query failed Zod schema validation. The error includes `meta.details`.
1002	`BAD_REQUEST`	400	Generic malformed request (e.g. unknown query combo).
1003	`NOT_FOUND`	404	Generic resource not found.
1004	`CONFLICT`	409	Generic uniqueness violation.
1005	`RATE_LIMITED`	429	Honor `Retry-After`. See Rate limits.
1006	`INTERNAL`	500	Catch-all server error. Retry.
1007	`MAINTENANCE_MODE`	503	Service down for maintenance.

Auth (1100–1107)

Code	Key	HTTP	Meaning
1100	`UNAUTHORIZED`	401	No credentials.
1101	`INVALID_CREDENTIALS`	401	(Dashboard JWT) bad email/password.
1102	`INVALID_TOKEN`	401	(Dashboard JWT) bad signature, expired, or wrong purpose.
1103	`MISSING_BEARER`	401	(Dashboard) no `Authorization: Bearer` header.
1104	`MISSING_API_KEY`	401	No `api-key` header.
1105	`INVALID_API_KEY`	401	Key not found.
1106	`API_KEY_REVOKED`	401	Key was revoked in dashboard.
1107	`INVALID_REFRESH_TOKEN`	401	(Dashboard) refresh token bad/expired.

2FA (1200–1208)

Code	Key	HTTP	Meaning
1200	`TWOFA_REQUIRED`	401	Login requires 2FA challenge completion.
1201	`INVALID_2FA_CODE`	422	Bad TOTP / email / recovery code.
1202	`TWOFA_ALREADY_ENABLED`	409	Cannot start TOTP setup; already enabled.
1203	`TWOFA_NOT_ENABLED`	422	Operation requires 2FA, which isn’t on.
1204	`TWOFA_NOT_STARTED`	422	TOTP setup not in progress.
1205	`TWOFA_USE_TOTP`	422	Email channel offered but account uses TOTP.
1206	`TWOFA_USE_EMAIL`	422	TOTP channel offered but account uses email.
1207	`TWOFA_CODE_USED`	410	Recovery code already consumed.
1208	`TWOFA_PROVIDE_CODE`	422	Provide a TOTP or recovery code.

Account access (1300–1311)

Code	Key	HTTP	Meaning
1300	`FORBIDDEN`	403	Authenticated but not permitted. Most common: API-key calling a dashboard-only route, or `On-Behalf-Of` set on `/merchant/*`.
1301	`ACCOUNT_SUSPENDED`	403	Merchant or sub-user account suspended.
1302	`ACCOUNT_DELETED`	403	Account is soft-deleted.
1303	`ACCOUNT_LOCKED`	403	Temporarily locked (e.g. failed login bursts).
1304	`EMAIL_NOT_VERIFIED`	403	Operation requires a verified email.
1305	`API_KEY_IP_DENIED`	403	Source IP not on the key’s allowlist.
1306	`USER_NOT_OWNED`	403	Acting on a user that doesn’t belong to your merchant.
1307	`USER_NOT_FOUND`	404	Sub-user not owned by this merchant (or doesn’t exist — same response, no enumeration).
1308	`INVALID_INVITE`	422	Invite token bad/expired.
1309	`INVITE_EMAIL_MISMATCH`	422	Invite is for a different email.
1310	`INVALID_VERIFICATION`	422	Email-verification code bad/expired.
1311	`CAPTCHA_FAILED`	403	CAPTCHA verification failed.

User Settings (1400–1422)

Codes 1415–1417 were added in v0.4.x for the sell flow.

Code	Key	HTTP	Meaning
1400	`WRONG_PASSWORD`	422	Current password incorrect.
1401	`NO_PASSWORD_SET`	422	Account has no password (OAuth-only).
1402	`SAME_EMAIL`	422	New email matches current.
1403	`RESTORE_INVALID`	422	Invalid/expired restore token.
1404	`RESET_INVALID`	422	Invalid/expired password reset token.
1405	`ACCOUNT_NOT_DELETED`	422	Restore called on a non-deleted account.
1410	`TRADEURL_LIMIT`	422	Maximum number of saved trade URLs reached.
1411	`TRADEURL_ALREADY_ADDED`	409	Trade URL already saved.
1412	`TRADEURL_NOT_FOUND`	404	Trade URL ID doesn’t exist.
1413	`TRADEURL_INVALID_TOKEN`	422	Trade URL invalid, expired, or inventory private.
1414	`TRADEURL_ESCROW`	422	Account has trade hold (escrow) enabled.
1415	`TRADEURL_STEAM_MISMATCH`	422	Trade URL doesn’t belong to the Steam account linked to this user.
1416	`TRADEURL_NOT_ALLOWED`	422	A trade URL can’t be passed here — the user’s saved trade URL is used.
1417	`STEAM_ACCOUNT_REQUIRED`	403	Selling requires a linked Steam account.
1420	`DISCORD_ALREADY_LINKED`	409	Account already linked to a Discord.
1421	`DISCORD_NOT_LINKED`	422	Unlink called on an unlinked account.
1422	`DISCORD_OAUTH_FAILED`	502	Discord OAuth handshake failed.

Wallet (1500–1522)

Code	Key	HTTP	Meaning
1500	`INSUFFICIENT_BALANCE`	422	Wallet balance < required.
1501	`WALLET_SUSPENDED`	403	Wallet is suspended (e.g. ledger drift).
1502	`WALLET_NOT_FOUND`	404	Wallet doesn’t exist for that user/type.
1503	`INVALID_CURRENCY`	422	Currency value outside the supported set.
1504	`INVALID_AMOUNT`	422	Amount ≤ 0 or wrong format.
1510	`IDEMPOTENCY_CONFLICT`	409	Same `Idempotency-Key`, different request body.
1511	`IDEMPOTENCY_KEY_REQUIRED`	422	`Idempotency-Key` header missing on `/fund`.
1520	`TRANSFER_CURRENCY_MISMATCH`	422	Source and destination wallets in different currencies.
1521	`MERCHANT_MUST_BE_USD`	422	Merchant accounts must use USD.
1522	`FX_RATE_UNAVAILABLE`	503	FX rate unavailable — retry shortly.

Deposits — gateway (1600–1608)

gatepay and onramp deposits.

Code	Key	HTTP	Meaning
1600	`DEPOSIT_NOT_FOUND`	404	Unknown deposit ID.
1601	`DEPOSIT_NOT_CANCELLABLE`	422	Only `initiated` deposits can be cancelled.
1602	`DEPOSIT_NOT_RESUMABLE`	422	Deposit reached a terminal state.
1603	`INVALID_QUOTE`	422	Quote token bad or expired. Re-quote.
1604	`INVALID_CHAIN`	422	Unsupported chain for this currency.
1605	`INVALID_DEPOSIT_CURRENCY`	422	Unsupported deposit currency.
1606	`DEPOSIT_MIN_AMOUNT`	422	Below provider minimum.
1607	`INVALID_SIGNATURE`	401	Gateway callback signature failed.
1608	`GATEWAY_ERROR`	502	Payment gateway returned an error.

Crypto deposits / withdrawals (1800–1811)

Self-hosted EVM deposit/withdrawal/transfer.

Code	Key	HTTP	Meaning
1800	`CRYPTO_NOT_CONFIGURED`	503	Crypto gateway not configured.
1801	`CRYPTO_CHAIN_NOT_SUPPORTED`	422	Chain not enabled.
1802	`CRYPTO_CHAIN_PAUSED`	503	Admin paused the chain.
1803	`CRYPTO_TOKEN_NOT_SUPPORTED`	422	Token not enabled on this chain.
1804	`CRYPTO_ADDRESS_NOT_FOUND`	404	No deposit address generated for user yet.
1805	`CRYPTO_MIN_AMOUNT`	422	Below minimum.
1806	`CRYPTO_INVALID_DESTINATION`	422	Destination address invalid.
1807	`CRYPTO_WITHDRAWAL_NOT_FOUND`	404	Withdrawal not found.
1808	`CRYPTO_WITHDRAWAL_INVALID_STATE`	422	Withdrawal not in a valid state for this action.
1809	`CRYPTO_WEBHOOK_INVALID`	401	Webhook signature bad.
1810	`CRYPTO_SELF_TRANSFER`	422	Cannot transfer to your own wallet.
1811	`CRYPTO_RECIPIENT_WALLET_MISSING`	422	Recipient has no wallet for this currency.

Partner crypto payout custody (1820–1827)

Code	Key	HTTP	Notes
1820	`CRYPTO_PAYOUT_NOT_ENABLED`	403	Merchant does not have `cryptoPayoutEnabled=true`. Admin-controlled toggle.
1821	`CRYPTO_PAYOUT_FEE_EXCEEDS_MAX`	422	Live fee at submission exceeds the merchant-supplied `maxFeeUsdCents`. No state mutated.
1822	`CRYPTO_PAYOUT_INSUFFICIENT_BALANCE`	422	Per-(chain, token) sidecar balance is below `amountCents + fee`. Each chain × token is an independent bucket — no cross-chain liquidity.
1823	`CRYPTO_PAYOUT_NO_CALLBACK_URL`	422	No active `CallbackUrl` registered for the merchant. Approval callbacks need somewhere to land before any withdrawal can proceed.
1824	`CRYPTO_PAYOUT_DUPLICATE_EXTERNAL_ID`	409	Only on a genuine concurrent duplicate racing the first create. A normal retry of the same `externalId` returns the original withdrawal (idempotent replay), not this error.
1825	`CRYPTO_PAYOUT_INVALID_SUBUSER`	422	`forSubUser` doesn’t resolve to a sub-user owned by the calling merchant. The value can be the sub-user’s UUID or your `externalId`, but only within your own children.
1826	`CRYPTO_PAYOUT_FEE_UNAVAILABLE`	503	The gas/price oracle is temporarily down on a fee chain. Fail-closed — retry shortly.
1827	`CRYPTO_PAYOUT_NO_SIGNING_KEY`	422	A webhook signing secret must be provisioned before requesting payouts, so the approval call can be signed.

Merchant management (1900–1950)

Code	Key	HTTP	Meaning
1900	`INVALID_ADMIN_OP`	422	Invalid admin/merchant operation.
1910	`APIKEY_LIMIT_REACHED`	422	Maximum active API keys reached.
1911	`APIKEY_ALREADY_REVOKED`	422	API key already revoked.
1920	`SECRET_ALREADY_EXISTS`	409	Active webhook secret already exists.
1921	`SECRET_NOT_FOUND`	404	Webhook secret not found.
1922	`SECRET_ALREADY_REVOKED`	422	Webhook secret already revoked.
1930	`WEBHOOK_TEST_FAILED`	422	Test ping didn’t return 2xx.
1931	`WEBHOOK_NOT_FOUND`	404	No active callback URL configured (or revoked / disabled).
1932	`WEBHOOK_DELIVERY_NOT_FOUND`	404	Delivery ID not yours / doesn’t exist.
1933	`WEBHOOK_URL_INVALID`	422	URL fails SSRF / scheme checks.
1940	`EMAIL_TAKEN`	409	Sub-user creation: email already registered.
1941	`STEAM_ID_TAKEN`	409	Sub-user creation: Steam account already registered.
1942	`EXTERNAL_ID_TAKEN`	409	Sub-user creation: `externalId` already taken by a different sub-user.
1943	`SUB_USER_HAS_BALANCE`	422	Can’t delete: balance is non-zero.
1950	`INVALID_FEE_BPS`	422	`feeBps` out of range (0–5000).

Marketplace (2000–2041)

Code	Key	HTTP	Meaning
2000	`MARKET_UNAVAILABLE`	503	No marketplace workers healthy. Retry once after 30s.
2001	`MARKET_TIMEOUT`	504	Marketplace worker did not respond in time.
2002	`WORKER_LOW_BALANCE`	503	Marketplace worker has insufficient balance to settle.
2010	`ORDER_NOT_FOUND`	404	Trade ID or external ID doesn’t exist in your scope.
2011	`LISTING_NOT_FOUND`	404	Listing sold / removed since you fetched it.
2012	`LISTING_DETAIL_FAILED`	502	Failed to fetch listing details from upstream.
2020	`PRICE_MISMATCH`	409	Listing price drifted above your `maxPrice`.
2021	`PRICE_BELOW_MINIMUM`	422	Quick-buy `maxPrice` below current minimum listing price.
2022	`TRADEURL_REQUIRED`	422	Sub-user has no primary Steam trade URL set.
2030	`PURCHASE_FAILED`	502	Marketplace partner rejected the purchase.
2031	`PURCHASE_RETRY_TIMEOUT`	504	Purchase retried but never settled.
2032	`CALLBACK_INVALID`	401	Marketplace callback signature failed.
2040	`TRADE_NOT_CANCELLABLE`	409	Trade not in a cancellable state.
2041	`TRADE_CANCEL_TOO_SOON`	422	Order must be at least 30 minutes old to cancel.

Sell / own Steam bots (2100–2109)

Returned by the sell endpoints (GET /market/sell/prices, GET /market/sell/inventory, POST /market/sell). See the Selling guide. Selling also reuses PRICE_MISMATCH (2020), DUPLICATE_LISTING_ID (2023), LISTING_NOT_FOUND (2011), and the trade-URL codes 1415–1417.

Code	Key	HTTP	Meaning
2100	`NO_BOTS_AVAILABLE`	503	No Steam bots are currently available to process the trade. Retry shortly.
2101	`USER_NOT_TRADEABLE`	422	Steam account can’t trade (trade ban, limited account, or restriction).
2102	`INVENTORY_PRIVATE`	422	Steam inventory is private or couldn’t be read.
2103	`STEAM_UNAVAILABLE`	503	Steam is temporarily unavailable. Retry shortly.
2104	`TRADE_OFFER_FAILED`	502	Failed to send the Steam trade offer.
2105	`ESCROW_NOT_ALLOWED`	422	Steam account has a trade hold (escrow) enabled.
2106	`STEAM_BOTS_NOT_CONFIGURED`	503	Steam bots aren’t configured on the server.
2107	`NO_OFFER_FOUND`	422	No payout offer is available for one or more of these items.
2108	`ITEMS_NOT_ACCEPTED`	422	One or more items aren’t in the inventory or aren’t tradable.
2109	`PRICING_UNAVAILABLE`	503	Payout pricing is temporarily unavailable. Retry shortly.

Validation error shape

When key === "VALIDATION_FAILED", the error includes per-field details:

{
  "requestId": "01900b...",
  "success": false,
  "error": {
    "code": 1001,
    "key": "VALIDATION_FAILED",
    "message": "Validation failed",
    "meta": {
      "details": [
        { "path": ["amount"], "message": "Invalid decimal amount" },
        { "path": ["items", 0, "maxPrice"], "message": "String must contain at most 2 decimal places" }
      ]
    }
  }
}

Get started

Core concepts

Integration

Real-time

Reference

Code blocks

HTTP status mapping

General / Infrastructure (1001–1007)

Auth (1100–1107)

2FA (1200–1208)

Account access (1300–1311)

User Settings (1400–1422)

Wallet (1500–1522)

Deposits — gateway (1600–1608)

Crypto deposits / withdrawals (1800–1811)

Partner crypto payout custody (1820–1827)

Merchant management (1900–1950)

Marketplace (2000–2041)

Sell / own Steam bots (2100–2109)

Validation error shape

​Code blocks

​HTTP status mapping

​General / Infrastructure (1001–1007)

​Auth (1100–1107)

​2FA (1200–1208)

​Account access (1300–1311)

​User Settings (1400–1422)

​Wallet (1500–1522)

​Deposits — gateway (1600–1608)

​Crypto deposits / withdrawals (1800–1811)

​Partner crypto payout custody (1820–1827)

​Merchant management (1900–1950)

​Marketplace (2000–2041)

​Sell / own Steam bots (2100–2109)

​Validation error shape

Code blocks

HTTP status mapping

General / Infrastructure (1001–1007)

Auth (1100–1107)

2FA (1200–1208)

Account access (1300–1311)

User Settings (1400–1422)

Wallet (1500–1522)

Deposits — gateway (1600–1608)

Crypto deposits / withdrawals (1800–1811)

Partner crypto payout custody (1820–1827)

Merchant management (1900–1950)

Marketplace (2000–2041)

Sell / own Steam bots (2100–2109)

Validation error shape