HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1184919,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=32",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=30",
"results": [
{
"id": 1215015,
"created_at": "2026-09-06T15:47:03.591726Z",
"text_signature": "UnknownFire()",
"hex_signature": "0x1da01b01",
"bytes_signature": "\u001d \u001b\u0001"
},
{
"id": 1215014,
"created_at": "2026-09-06T15:47:02.735585Z",
"text_signature": "UnexpectedNativeDeposit()",
"hex_signature": "0x6ee800fc",
"bytes_signature": "nè\u0000ü"
},
{
"id": 1215013,
"created_at": "2026-09-06T15:47:02.219744Z",
"text_signature": "UnexpectedFillPair(uint8,uint8)",
"hex_signature": "0xb17b8c8d",
"bytes_signature": "±{"
},
{
"id": 1215012,
"created_at": "2026-09-06T15:47:01.806007Z",
"text_signature": "UnderpaidSchedulingCost()",
"hex_signature": "0xbcaa9419",
"bytes_signature": "¼ª\u0019"
},
{
"id": 1215011,
"created_at": "2026-09-06T15:47:01.198454Z",
"text_signature": "UnderpaidScheduleFee()",
"hex_signature": "0x60746698",
"bytes_signature": "`tf"
},
{
"id": 1215010,
"created_at": "2026-09-06T15:47:00.353855Z",
"text_signature": "TriggerTooCloseToEma()",
"hex_signature": "0xf5a46358",
"bytes_signature": "õ¤cX"
},
{
"id": 1215009,
"created_at": "2026-09-06T15:47:00.012486Z",
"text_signature": "TransferSourceAndDestinationSame()",
"hex_signature": "0xd2f3f68d",
"bytes_signature": "Òóö"
},
{
"id": 1215008,
"created_at": "2026-09-06T15:46:59.543927Z",
"text_signature": "TransferRecipientReserved()",
"hex_signature": "0xc43959ab",
"bytes_signature": "Ä9Y«"
},
{
"id": 1215007,
"created_at": "2026-09-06T15:46:59.187799Z",
"text_signature": "TradingNotActive()",
"hex_signature": "0xa491421c",
"bytes_signature": "¤B\u001c"
},
{
"id": 1215006,
"created_at": "2026-09-06T15:46:58.214775Z",
"text_signature": "TooManyRestingOrders()",
"hex_signature": "0x7d915218",
"bytes_signature": "}R\u0018"
},
{
"id": 1215005,
"created_at": "2026-09-06T15:46:57.909539Z",
"text_signature": "TooManyMarketsForQuestion()",
"hex_signature": "0x39f98fb4",
"bytes_signature": "9ù´"
},
{
"id": 1215004,
"created_at": "2026-09-06T15:46:57.472176Z",
"text_signature": "TokenZero()",
"hex_signature": "0xab42242d",
"bytes_signature": "«B$-"
},
{
"id": 1215003,
"created_at": "2026-09-06T15:46:56.953604Z",
"text_signature": "TierBalanceInsufficient()",
"hex_signature": "0x85674128",
"bytes_signature": "
gA("
},
{
"id": 1215002,
"created_at": "2026-09-06T15:46:56.546062Z",
"text_signature": "TakerFillWouldMintBadDebt()",
"hex_signature": "0xfe9e1842",
"bytes_signature": "þ\u0018B"
},
{
"id": 1215001,
"created_at": "2026-09-06T15:46:56.230109Z",
"text_signature": "TakeoverPriceOverflow()",
"hex_signature": "0xed976d19",
"bytes_signature": "ím\u0019"
},
{
"id": 1215000,
"created_at": "2026-09-06T15:46:55.792843Z",
"text_signature": "TakeoverPriceOutOfRange()",
"hex_signature": "0xdafa2157",
"bytes_signature": "Úú!W"
},
{
"id": 1214999,
"created_at": "2026-09-06T15:46:55.469404Z",
"text_signature": "SubscriptionStillActive()",
"hex_signature": "0xe72f2f75",
"bytes_signature": "ç//u"
},
{
"id": 1214998,
"created_at": "2026-09-06T15:46:55.047037Z",
"text_signature": "SubscriptionAlreadyActive()",
"hex_signature": "0x6534b062",
"bytes_signature": "e4°b"
},
{
"id": 1214997,
"created_at": "2026-09-06T15:46:53.924111Z",
"text_signature": "SideHolderIndexOutOfBounds()",
"hex_signature": "0x88e5ab41",
"bytes_signature": "å«A"
},
{
"id": 1214996,
"created_at": "2026-09-06T15:46:53.615739Z",
"text_signature": "SettlementWindowOpen()",
"hex_signature": "0xe114c921",
"bytes_signature": "á\u0014É!"
},
{
"id": 1214995,
"created_at": "2026-09-06T15:46:53.161314Z",
"text_signature": "SettlementNotSet()",
"hex_signature": "0xb4208556",
"bytes_signature": "´
V"
},
{
"id": 1214994,
"created_at": "2026-09-06T15:46:52.849159Z",
"text_signature": "SettlementAlreadySet()",
"hex_signature": "0x25846789",
"bytes_signature": "%g"
},
{
"id": 1214993,
"created_at": "2026-09-06T15:46:51.597326Z",
"text_signature": "SeriesIdOutOfRange(uint32)",
"hex_signature": "0x53ef834f",
"bytes_signature": "SïO"
},
{
"id": 1214992,
"created_at": "2026-09-06T15:46:51.218662Z",
"text_signature": "SeriesAlreadyLive()",
"hex_signature": "0xc2bfe76c",
"bytes_signature": "¿çl"
},
{
"id": 1214991,
"created_at": "2026-09-06T15:46:50.353408Z",
"text_signature": "SelfMatchCancelTaker()",
"hex_signature": "0x6ffc9258",
"bytes_signature": "oüX"
},
{
"id": 1214990,
"created_at": "2026-09-06T15:46:40.392619Z",
"text_signature": "RouteTooLong(uint256)",
"hex_signature": "0x6c3b96b2",
"bytes_signature": "l;²"
},
{
"id": 1214989,
"created_at": "2026-09-06T15:46:37.545503Z",
"text_signature": "RouteTokenMismatch(uint256,address,address,address)",
"hex_signature": "0x4209cb00",
"bytes_signature": "B\tË\u0000"
},
{
"id": 1214988,
"created_at": "2026-09-06T15:46:36.643198Z",
"text_signature": "RouterQuoteOutputZero()",
"hex_signature": "0xffde5ade",
"bytes_signature": "ÿÞZÞ"
},
{
"id": 1214987,
"created_at": "2026-09-06T15:46:36.035721Z",
"text_signature": "RouterQuoteInputZero()",
"hex_signature": "0x2bab0962",
"bytes_signature": "+«\tb"
},
{
"id": 1214986,
"created_at": "2026-09-06T15:46:35.676283Z",
"text_signature": "RouterQuantityNotLotAligned(uint256,uint256,uint256)",
"hex_signature": "0x0a7b2312",
"bytes_signature": "\n{#\u0012"
},
{
"id": 1214985,
"created_at": "2026-09-06T15:46:35.123429Z",
"text_signature": "RouterQuantityBelowMinimum(uint256,uint256,uint256)",
"hex_signature": "0x14b98239",
"bytes_signature": "\u0014¹9"
},
{
"id": 1214984,
"created_at": "2026-09-06T15:46:34.833221Z",
"text_signature": "RouterNotApprovedAsOperator(uint256,address)",
"hex_signature": "0xec3f076d",
"bytes_signature": "ì?\u0007m"
},
{
"id": 1214983,
"created_at": "2026-09-06T15:46:34.350465Z",
"text_signature": "RouterMarketQuoteInvalidPriceLimit(uint256,uint256)",
"hex_signature": "0x2970cdf2",
"bytes_signature": ")pÍò"
},
{
"id": 1214982,
"created_at": "2026-09-06T15:46:33.954718Z",
"text_signature": "RouterInvalidLegPrice(uint256,uint256,uint256)",
"hex_signature": "0xf37daec8",
"bytes_signature": "ó}®È"
},
{
"id": 1214981,
"created_at": "2026-09-06T15:46:33.442528Z",
"text_signature": "RouterBuilderNotApproved(uint256,address,uint96,uint256)",
"hex_signature": "0xca327f26",
"bytes_signature": "Ê2&"
},
{
"id": 1214980,
"created_at": "2026-09-06T15:46:33.089631Z",
"text_signature": "RouterBuilderIsRouter()",
"hex_signature": "0xe604c465",
"bytes_signature": "æ\u0004Äe"
},
{
"id": 1214979,
"created_at": "2026-09-06T15:46:32.625366Z",
"text_signature": "RouterBuilderIsPool(uint256,address)",
"hex_signature": "0x3d1ff898",
"bytes_signature": "=\u001fø"
},
{
"id": 1214978,
"created_at": "2026-09-06T15:46:32.142855Z",
"text_signature": "RouterBuilderFeeWithoutBuilder(uint96)",
"hex_signature": "0x861a4368",
"bytes_signature": "\u001aCh"
},
{
"id": 1214977,
"created_at": "2026-09-06T15:46:31.648139Z",
"text_signature": "RouterBuilderFeeExceedsPoolCap(uint256,address,uint96,uint256)",
"hex_signature": "0xf73e2d0f",
"bytes_signature": "÷>-\u000f"
},
{
"id": 1214976,
"created_at": "2026-09-06T15:46:31.247597Z",
"text_signature": "RouterBuilderCodesNotSupportedOnPool(uint256,address)",
"hex_signature": "0x16b83a49",
"bytes_signature": "\u0016¸:I"
},
{
"id": 1214975,
"created_at": "2026-09-06T15:46:28.959274Z",
"text_signature": "RouteEmpty()",
"hex_signature": "0x62f67aca",
"bytes_signature": "bözÊ"
},
{
"id": 1214974,
"created_at": "2026-09-06T15:46:28.645641Z",
"text_signature": "ReviveTooSoon()",
"hex_signature": "0x80a120cf",
"bytes_signature": "¡ Ï"
},
{
"id": 1214973,
"created_at": "2026-09-06T15:46:28.103155Z",
"text_signature": "RegistryNotApprovedByOwner()",
"hex_signature": "0x28e0a7ba",
"bytes_signature": "(৺"
},
{
"id": 1214972,
"created_at": "2026-09-06T15:46:27.254962Z",
"text_signature": "RedeemSignatureInvalid()",
"hex_signature": "0x1bacdc52",
"bytes_signature": "\u001b†R"
},
{
"id": 1214971,
"created_at": "2026-09-06T15:46:26.624717Z",
"text_signature": "RedeemNonceUsed()",
"hex_signature": "0xa8f2ecb1",
"bytes_signature": "¨òì±"
},
{
"id": 1214970,
"created_at": "2026-09-06T15:46:26.318043Z",
"text_signature": "RedeemAuthExpired()",
"hex_signature": "0x2ab1e079",
"bytes_signature": "*±ày"
},
{
"id": 1214969,
"created_at": "2026-09-06T15:46:24.882673Z",
"text_signature": "RecoveryTokenIsNative()",
"hex_signature": "0xbd7991dc",
"bytes_signature": "½yÜ"
},
{
"id": 1214968,
"created_at": "2026-09-06T15:46:24.632649Z",
"text_signature": "RecoveryDestinationZero()",
"hex_signature": "0x7046c589",
"bytes_signature": "pFÅ"
},
{
"id": 1214967,
"created_at": "2026-09-06T15:46:24.165490Z",
"text_signature": "RecoveryAmountInvalid(uint256,uint256)",
"hex_signature": "0xcf550290",
"bytes_signature": "ÏU\u0002"
},
{
"id": 1214966,
"created_at": "2026-09-06T15:46:23.154303Z",
"text_signature": "QuestionNotFinal()",
"hex_signature": "0x25cd016c",
"bytes_signature": "%Í\u0001l"
},
{
"id": 1214965,
"created_at": "2026-09-06T15:46:22.801702Z",
"text_signature": "QuantityNotAlignedToLotSize()",
"hex_signature": "0x4c4705ca",
"bytes_signature": "LG\u0005Ê"
},
{
"id": 1214964,
"created_at": "2026-09-06T15:46:22.270359Z",
"text_signature": "QuantityBelowMinimum(uint256,uint256)",
"hex_signature": "0xeaa68ceb",
"bytes_signature": "ê¦ë"
},
{
"id": 1214963,
"created_at": "2026-09-06T15:46:21.959208Z",
"text_signature": "QuantityBelowMinimum()",
"hex_signature": "0x84c3adbe",
"bytes_signature": "þ"
},
{
"id": 1214962,
"created_at": "2026-09-06T15:46:20.625183Z",
"text_signature": "PriceTooLarge()",
"hex_signature": "0x57b0e210",
"bytes_signature": "W°â\u0010"
},
{
"id": 1214961,
"created_at": "2026-09-06T15:46:19.759754Z",
"text_signature": "PriceOutOfBounds()",
"hex_signature": "0x6e4ba61d",
"bytes_signature": "nK¦\u001d"
},
{
"id": 1214960,
"created_at": "2026-09-06T15:46:19.124331Z",
"text_signature": "PriceNotAlignedToTickSize()",
"hex_signature": "0x961ac3e3",
"bytes_signature": "\u001aÃã"
},
{
"id": 1214959,
"created_at": "2026-09-06T15:46:18.581907Z",
"text_signature": "PostOnlyWouldCross()",
"hex_signature": "0x7cf05fcb",
"bytes_signature": "|ð_Ë"
},
{
"id": 1214958,
"created_at": "2026-09-06T15:46:18.159079Z",
"text_signature": "PoolStateUnchanged()",
"hex_signature": "0x2f8a9804",
"bytes_signature": "/\u0004"
},
{
"id": 1214957,
"created_at": "2026-09-06T15:46:17.695970Z",
"text_signature": "PoolNotRegistered(uint256,address)",
"hex_signature": "0x08d91d96",
"bytes_signature": "\bÙ\u001d"
},
{
"id": 1214956,
"created_at": "2026-09-06T15:46:17.354521Z",
"text_signature": "PoolNotApproved()",
"hex_signature": "0xdb30f2ac",
"bytes_signature": "Û0ò¬"
},
{
"id": 1214955,
"created_at": "2026-09-06T15:46:16.866529Z",
"text_signature": "PoolIndexOutOfBounds()",
"hex_signature": "0x6e237f4e",
"bytes_signature": "n#N"
},
{
"id": 1214954,
"created_at": "2026-09-06T15:46:16.432328Z",
"text_signature": "PoolBooksNotEmpty()",
"hex_signature": "0xc4b84cd7",
"bytes_signature": "ĸL×"
},
{
"id": 1214953,
"created_at": "2026-09-06T15:46:16.014040Z",
"text_signature": "PoolAlreadyReleased()",
"hex_signature": "0xdf88ba21",
"bytes_signature": "ߺ!"
},
{
"id": 1214952,
"created_at": "2026-09-06T15:46:15.582533Z",
"text_signature": "PlacementRevertedWithoutReason(bool,uint64)",
"hex_signature": "0xfe219e11",
"bytes_signature": "þ!\u0011"
},
{
"id": 1214951,
"created_at": "2026-09-06T15:46:15.077028Z",
"text_signature": "PlacementRevertedWithoutReason(bool,uint256)",
"hex_signature": "0xd418f27b",
"bytes_signature": "Ô\u0018ò{"
},
{
"id": 1214950,
"created_at": "2026-09-06T15:46:14.676319Z",
"text_signature": "PerUserOrderIndexInconsistency()",
"hex_signature": "0xb1b1ba2a",
"bytes_signature": "±±º*"
},
{
"id": 1214949,
"created_at": "2026-09-06T15:46:14.089077Z",
"text_signature": "PerpPoolWrongMarginBank()",
"hex_signature": "0x471735a7",
"bytes_signature": "G\u00175§"
},
{
"id": 1214948,
"created_at": "2026-09-06T15:46:13.732899Z",
"text_signature": "PerpPoolNotRegistered()",
"hex_signature": "0x19951ca5",
"bytes_signature": "\u0019\u001c¥"
},
{
"id": 1214947,
"created_at": "2026-09-06T15:46:13.290017Z",
"text_signature": "PerpPoolNotFromFactory()",
"hex_signature": "0x31325b4a",
"bytes_signature": "12[J"
},
{
"id": 1214946,
"created_at": "2026-09-06T15:46:12.971098Z",
"text_signature": "PerpPoolHasActivePositions()",
"hex_signature": "0x791356db",
"bytes_signature": "y\u0013VÛ"
},
{
"id": 1214945,
"created_at": "2026-09-06T15:46:11.627486Z",
"text_signature": "PerpPoolAlreadyRegistered()",
"hex_signature": "0xcbd9cc79",
"bytes_signature": "ËÙÌy"
},
{
"id": 1214944,
"created_at": "2026-09-06T15:46:11.334740Z",
"text_signature": "PermitTokenMismatch()",
"hex_signature": "0x6c4e7696",
"bytes_signature": "lNv"
},
{
"id": 1214943,
"created_at": "2026-09-06T15:46:10.060917Z",
"text_signature": "PendingOwnerOnly()",
"hex_signature": "0x306bd3d7",
"bytes_signature": "0kÓ×"
},
{
"id": 1214942,
"created_at": "2026-09-06T15:46:08.682326Z",
"text_signature": "OutcomeTransferFailed()",
"hex_signature": "0xc212a4cd",
"bytes_signature": "Â\u0012¤Í"
},
{
"id": 1214941,
"created_at": "2026-09-06T15:46:08.378987Z",
"text_signature": "OutcomeTokenNotSet()",
"hex_signature": "0x95028b96",
"bytes_signature": "\u0002"
},
{
"id": 1214940,
"created_at": "2026-09-06T15:46:07.886047Z",
"text_signature": "OutcomeCountMismatch()",
"hex_signature": "0x6221cfe3",
"bytes_signature": "b!Ïã"
},
{
"id": 1214939,
"created_at": "2026-09-06T15:46:07.511403Z",
"text_signature": "OrderInfoIdMismatch()",
"hex_signature": "0x7c01aa79",
"bytes_signature": "|\u0001ªy"
},
{
"id": 1214938,
"created_at": "2026-09-06T15:46:05.630702Z",
"text_signature": "OrderIdMismatch()",
"hex_signature": "0x71fa8de6",
"bytes_signature": "qúæ"
},
{
"id": 1214937,
"created_at": "2026-09-06T15:46:05.343126Z",
"text_signature": "OrderExpiryBeyondMarket()",
"hex_signature": "0xd3dea628",
"bytes_signature": "ÓÞ¦("
},
{
"id": 1214936,
"created_at": "2026-09-06T15:46:04.877501Z",
"text_signature": "OrderDoesNotExist()",
"hex_signature": "0x5dcaf2d7",
"bytes_signature": "]Êò×"
},
{
"id": 1214935,
"created_at": "2026-09-06T15:46:04.380016Z",
"text_signature": "OrderAlreadyLinked()",
"hex_signature": "0xb0330763",
"bytes_signature": "°3\u0007c"
},
{
"id": 1214934,
"created_at": "2026-09-06T15:46:03.970573Z",
"text_signature": "OrderAlreadyExpired()",
"hex_signature": "0x3154078e",
"bytes_signature": "1T\u0007"
},
{
"id": 1214933,
"created_at": "2026-09-06T15:46:03.231808Z",
"text_signature": "OracleNotInitialized()",
"hex_signature": "0x4eb0db8f",
"bytes_signature": "N°Û"
},
{
"id": 1214932,
"created_at": "2026-09-06T15:46:02.756822Z",
"text_signature": "OracleNotAnswered()",
"hex_signature": "0x918d1cab",
"bytes_signature": "\u001c«"
},
{
"id": 1214931,
"created_at": "2026-09-06T15:46:01.897632Z",
"text_signature": "OperatorNotActive(uint32)",
"hex_signature": "0xbd6b8235",
"bytes_signature": "½k5"
},
{
"id": 1214930,
"created_at": "2026-09-06T15:46:01.600470Z",
"text_signature": "OperatorIdReserved()",
"hex_signature": "0x2d9baf6e",
"bytes_signature": "-¯n"
},
{
"id": 1214929,
"created_at": "2026-09-06T15:46:00.475701Z",
"text_signature": "OperatorDisabled()",
"hex_signature": "0x3955e721",
"bytes_signature": "9Uç!"
},
{
"id": 1214928,
"created_at": "2026-09-06T15:46:00.168371Z",
"text_signature": "OpenInterestCapExceeded()",
"hex_signature": "0xd8ca61d6",
"bytes_signature": "ØÊaÖ"
},
{
"id": 1214927,
"created_at": "2026-09-06T15:45:59.790914Z",
"text_signature": "OpeningOrderRequiresQuantity()",
"hex_signature": "0x81eb5d01",
"bytes_signature": "ë]\u0001"
},
{
"id": 1214926,
"created_at": "2026-09-06T15:45:59.071531Z",
"text_signature": "OnlyPrecompile()",
"hex_signature": "0xe41f37e2",
"bytes_signature": "ä\u001f7â"
},
{
"id": 1214925,
"created_at": "2026-09-06T15:45:58.514577Z",
"text_signature": "OnlyPerpPool()",
"hex_signature": "0xad5d0577",
"bytes_signature": "]\u0005w"
},
{
"id": 1214924,
"created_at": "2026-09-06T15:45:58.173658Z",
"text_signature": "OnlyMarginBank()",
"hex_signature": "0xeb5cbebd",
"bytes_signature": "ë\\¾½"
},
{
"id": 1214923,
"created_at": "2026-09-06T15:45:57.763747Z",
"text_signature": "OnlyLiquidationEngine()",
"hex_signature": "0xdfff4acd",
"bytes_signature": "ßÿJÍ"
},
{
"id": 1214922,
"created_at": "2026-09-06T15:45:57.468357Z",
"text_signature": "OnlyCreditGranter()",
"hex_signature": "0xb062b342",
"bytes_signature": "°b³B"
},
{
"id": 1214921,
"created_at": "2026-09-06T15:45:57.048993Z",
"text_signature": "OnlyApprovedContracts()",
"hex_signature": "0x3fb0ba2e",
"bytes_signature": "?°º."
},
{
"id": 1214920,
"created_at": "2026-09-06T15:45:56.322929Z",
"text_signature": "NotSettlement()",
"hex_signature": "0xede09f2a",
"bytes_signature": "íà*"
},
{
"id": 1214919,
"created_at": "2026-09-06T15:45:55.768195Z",
"text_signature": "NotRegistrar()",
"hex_signature": "0x2ad95351",
"bytes_signature": "*ÙSQ"
},
{
"id": 1214918,
"created_at": "2026-09-06T15:45:55.331444Z",
"text_signature": "NotReceiver()",
"hex_signature": "0xb40c733e",
"bytes_signature": "´\fs>"
},
{
"id": 1214917,
"created_at": "2026-09-06T15:45:54.887066Z",
"text_signature": "NotReactivity()",
"hex_signature": "0x613e24f2",
"bytes_signature": "a>$ò"
},
{
"id": 1214916,
"created_at": "2026-09-06T15:45:54.064341Z",
"text_signature": "NotOracle()",
"hex_signature": "0x1bc2178f",
"bytes_signature": "\u001bÂ\u0017"
}
]
}