HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1174610,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=2",
"previous": null,
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{
"id": 1207706,
"created_at": "2026-06-03T16:14:13.762907Z",
"text_signature": "_toAssetUnits(address,uint256)",
"hex_signature": "0x55331b01",
"bytes_signature": "U3\u001b\u0001"
},
{
"id": 1207705,
"created_at": "2026-06-03T16:14:13.760294Z",
"text_signature": "_toShareUnits(address,uint256)",
"hex_signature": "0x3e0083c3",
"bytes_signature": ">\u0000Ã"
},
{
"id": 1207704,
"created_at": "2026-06-03T16:14:13.756860Z",
"text_signature": "_tryCreditRedeemToEscrow(address,address,address,uint256)",
"hex_signature": "0x8bb5b4cf",
"bytes_signature": "µ´Ï"
},
{
"id": 1207703,
"created_at": "2026-06-03T16:14:13.754024Z",
"text_signature": "_tryReleaseToVault(address,address,address,uint256)",
"hex_signature": "0xc30ba15d",
"bytes_signature": "Ã\u000b¡]"
},
{
"id": 1207702,
"created_at": "2026-06-03T16:14:13.738973Z",
"text_signature": "_tryUnlock(address,address,address)",
"hex_signature": "0x9a910e2f",
"bytes_signature": "\u000e/"
},
{
"id": 1207701,
"created_at": "2026-06-03T16:14:13.736915Z",
"text_signature": "_settlePendingRedeems(uint256,uint256,address)",
"hex_signature": "0xfc80d78f",
"bytes_signature": "ü×"
},
{
"id": 1207700,
"created_at": "2026-06-03T16:14:13.733754Z",
"text_signature": "_settlePendingDeposits(uint256,uint256,address)",
"hex_signature": "0xa3748686",
"bytes_signature": "£t"
},
{
"id": 1207699,
"created_at": "2026-06-03T16:14:13.731191Z",
"text_signature": "_accrueFees(uint256,uint256)",
"hex_signature": "0x36a8cae9",
"bytes_signature": "6¨Êé"
},
{
"id": 1207698,
"created_at": "2026-06-03T16:14:13.720443Z",
"text_signature": "_claimRedeemAssets(address,address)",
"hex_signature": "0x6864c1d8",
"bytes_signature": "hdÁØ"
},
{
"id": 1207697,
"created_at": "2026-06-03T16:14:13.717177Z",
"text_signature": "_claimDeposit(address)",
"hex_signature": "0x6f9d1eb3",
"bytes_signature": "o\u001e³"
},
{
"id": 1207696,
"created_at": "2026-06-03T16:14:13.710869Z",
"text_signature": "_approveShares(address,address,uint256)",
"hex_signature": "0x748060b9",
"bytes_signature": "t`¹"
},
{
"id": 1207695,
"created_at": "2026-06-03T16:14:13.706864Z",
"text_signature": "_cancelPendingRedeems()",
"hex_signature": "0x52a44c18",
"bytes_signature": "R¤L\u0018"
},
{
"id": 1207694,
"created_at": "2026-06-03T16:14:13.703899Z",
"text_signature": "_cancelPendingDeposits()",
"hex_signature": "0xe0ee3368",
"bytes_signature": "àî3h"
},
{
"id": 1207693,
"created_at": "2026-06-03T16:14:13.700846Z",
"text_signature": "_canEnqueueRedeem(address)",
"hex_signature": "0x016b5b86",
"bytes_signature": "\u0001k["
},
{
"id": 1207692,
"created_at": "2026-06-03T16:14:13.697857Z",
"text_signature": "_removePendingRedeemOwner(address)",
"hex_signature": "0xe93baf09",
"bytes_signature": "é;¯\t"
},
{
"id": 1207691,
"created_at": "2026-06-03T16:14:13.694937Z",
"text_signature": "_enqueueRedeem(address)",
"hex_signature": "0xfaa86f6e",
"bytes_signature": "ú¨on"
},
{
"id": 1207690,
"created_at": "2026-06-03T16:14:13.691701Z",
"text_signature": "_canEnqueueDeposit(address)",
"hex_signature": "0x813744c7",
"bytes_signature": "7DÇ"
},
{
"id": 1207689,
"created_at": "2026-06-03T16:14:13.687537Z",
"text_signature": "_removePendingDepositOwner(address)",
"hex_signature": "0xa0a7fb66",
"bytes_signature": " §ûf"
},
{
"id": 1207688,
"created_at": "2026-06-03T16:14:13.685166Z",
"text_signature": "_enqueueDeposit(address)",
"hex_signature": "0xfc4c31d8",
"bytes_signature": "üL1Ø"
},
{
"id": 1207687,
"created_at": "2026-06-03T16:14:13.675388Z",
"text_signature": "_checkCanSetPermissionMask(uint256,uint256)",
"hex_signature": "0x0ecd830d",
"bytes_signature": "\u000eÍ\r"
},
{
"id": 1207686,
"created_at": "2026-06-03T16:14:13.672262Z",
"text_signature": "_checkPermission(uint256)",
"hex_signature": "0x39b1ffdc",
"bytes_signature": "9±ÿÜ"
},
{
"id": 1207685,
"created_at": "2026-06-03T16:14:13.663019Z",
"text_signature": "_oracleForVault()",
"hex_signature": "0xabb0e7c2",
"bytes_signature": "«°çÂ"
},
{
"id": 1207684,
"created_at": "2026-06-03T16:14:13.660879Z",
"text_signature": "_hasPendingBatch()",
"hex_signature": "0xae6dd45f",
"bytes_signature": "®mÔ_"
},
{
"id": 1207683,
"created_at": "2026-06-03T16:14:13.658935Z",
"text_signature": "_hasAnyActiveBucket(address)",
"hex_signature": "0xe59dfeba",
"bytes_signature": "åþº"
},
{
"id": 1207682,
"created_at": "2026-06-03T16:14:13.656877Z",
"text_signature": "_requireActiveOracleRequestTimedOut()",
"hex_signature": "0xda6f513d",
"bytes_signature": "ÚoQ="
},
{
"id": 1207681,
"created_at": "2026-06-03T16:14:13.654864Z",
"text_signature": "_unsignedRequest(address,uint256,address,address)",
"hex_signature": "0x6fc60262",
"bytes_signature": "oÆ\u0002b"
},
{
"id": 1207680,
"created_at": "2026-06-03T16:14:13.652803Z",
"text_signature": "_checkDepositRange(uint256)",
"hex_signature": "0x7c5a5ee8",
"bytes_signature": "|Z^è"
},
{
"id": 1207679,
"created_at": "2026-06-03T16:14:13.650771Z",
"text_signature": "_checkRequestReady(uint256)",
"hex_signature": "0xd6a2a281",
"bytes_signature": "Ö¢¢"
},
{
"id": 1207678,
"created_at": "2026-06-03T16:14:13.648871Z",
"text_signature": "_requireOwnerOrOperator(address)",
"hex_signature": "0xac5db706",
"bytes_signature": "¬]·\u0006"
},
{
"id": 1207677,
"created_at": "2026-06-03T16:14:13.646823Z",
"text_signature": "_requireFinanceActive()",
"hex_signature": "0x203ce844",
"bytes_signature": " <èD"
},
{
"id": 1207676,
"created_at": "2026-06-03T16:14:13.644655Z",
"text_signature": "_requireAccountingChain()",
"hex_signature": "0x076e8abf",
"bytes_signature": "\u0007n¿"
},
{
"id": 1207675,
"created_at": "2026-06-03T16:14:13.642467Z",
"text_signature": "_requireOracleInactive()",
"hex_signature": "0x5774ed58",
"bytes_signature": "WtíX"
},
{
"id": 1207674,
"created_at": "2026-06-03T16:14:13.640171Z",
"text_signature": "_checkNotPaused(uint256)",
"hex_signature": "0xd67a83d4",
"bytes_signature": "ÖzÔ"
},
{
"id": 1207673,
"created_at": "2026-06-03T16:14:13.638002Z",
"text_signature": "_escrow()",
"hex_signature": "0x0619c07a",
"bytes_signature": "\u0006\u0019Àz"
},
{
"id": 1207672,
"created_at": "2026-06-03T16:14:13.635621Z",
"text_signature": "investmentRange()",
"hex_signature": "0xc4afda8e",
"bytes_signature": "įÚ"
},
{
"id": 1207671,
"created_at": "2026-06-03T16:14:13.632111Z",
"text_signature": "settlementAllowedAt()",
"hex_signature": "0x12b4f829",
"bytes_signature": "\u0012´ø)"
},
{
"id": 1207670,
"created_at": "2026-06-03T16:14:13.629626Z",
"text_signature": "activeOracleRequestId()",
"hex_signature": "0x5a2629ce",
"bytes_signature": "Z&)Î"
},
{
"id": 1207669,
"created_at": "2026-06-03T16:14:13.624648Z",
"text_signature": "_startOracleRequest(bool)",
"hex_signature": "0xcaa4a8e1",
"bytes_signature": "ʤ¨á"
},
{
"id": 1207668,
"created_at": "2026-06-03T16:14:13.593354Z",
"text_signature": "_settleRequests(uint256)",
"hex_signature": "0xef75cc64",
"bytes_signature": "ïuÌd"
},
{
"id": 1207667,
"created_at": "2026-06-03T16:14:13.564302Z",
"text_signature": "revokeSignedMessage(bytes32)",
"hex_signature": "0x7368134b",
"bytes_signature": "sh\u0013K"
},
{
"id": 1207666,
"created_at": "2026-06-03T16:14:13.560344Z",
"text_signature": "manualResendOracleRequest()",
"hex_signature": "0xf17a1021",
"bytes_signature": "ñz\u0010!"
},
{
"id": 1207665,
"created_at": "2026-06-03T16:14:13.557439Z",
"text_signature": "resetRequests()",
"hex_signature": "0x019dfc20",
"bytes_signature": "\u0001ü "
},
{
"id": 1207664,
"created_at": "2026-06-03T16:14:13.554340Z",
"text_signature": "onOracleNav(uint256,uint256,uint64)",
"hex_signature": "0xa73c1aeb",
"bytes_signature": "§<\u001aë"
},
{
"id": 1207663,
"created_at": "2026-06-03T16:14:13.550717Z",
"text_signature": "settleRequests()",
"hex_signature": "0xecd1a709",
"bytes_signature": "ìѧ\t"
},
{
"id": 1207662,
"created_at": "2026-06-03T16:14:13.547578Z",
"text_signature": "cancelRedeem(address)",
"hex_signature": "0x38401c43",
"bytes_signature": "8@\u001cC"
},
{
"id": 1207661,
"created_at": "2026-06-03T16:14:13.544325Z",
"text_signature": "cancelDeposit(address)",
"hex_signature": "0x6d14c2f6",
"bytes_signature": "m\u0014Âö"
},
{
"id": 1207660,
"created_at": "2026-06-03T16:14:13.539439Z",
"text_signature": "accountHasAnyPermission(address,uint256)",
"hex_signature": "0x1af37c2c",
"bytes_signature": "\u001aó|,"
},
{
"id": 1207659,
"created_at": "2026-06-03T16:14:13.537235Z",
"text_signature": "accountHasPermission(address,uint256)",
"hex_signature": "0x6dc76368",
"bytes_signature": "mÇch"
},
{
"id": 1207658,
"created_at": "2026-06-03T16:14:13.534277Z",
"text_signature": "setClientTier(uint8)",
"hex_signature": "0x52c0adc7",
"bytes_signature": "RÀÇ"
},
{
"id": 1207657,
"created_at": "2026-06-03T16:14:13.532005Z",
"text_signature": "setInvestmentRange(uint256,uint256)",
"hex_signature": "0x117fc47c",
"bytes_signature": "\u0011Ä|"
},
{
"id": 1207656,
"created_at": "2026-06-03T16:14:13.529023Z",
"text_signature": "setPermissionMask(address,uint256)",
"hex_signature": "0xebd85ac2",
"bytes_signature": "ëØZÂ"
},
{
"id": 1207655,
"created_at": "2026-06-03T16:14:13.526421Z",
"text_signature": "requestNonces(address)",
"hex_signature": "0x0b2e02b4",
"bytes_signature": "\u000b.\u0002´"
},
{
"id": 1207654,
"created_at": "2026-06-03T16:14:13.510033Z",
"text_signature": "vaultSalt()",
"hex_signature": "0x5cbc3953",
"bytes_signature": "\\¼9S"
},
{
"id": 1207653,
"created_at": "2026-06-03T15:00:07.562325Z",
"text_signature": "RequestStateError(uint8)",
"hex_signature": "0x30151c03",
"bytes_signature": "0\u0015\u001c\u0003"
},
{
"id": 1207652,
"created_at": "2026-06-03T14:59:55.377504Z",
"text_signature": "OracleFlowError(uint8)",
"hex_signature": "0x54534692",
"bytes_signature": "TSF"
},
{
"id": 1207651,
"created_at": "2026-06-03T14:59:34.515805Z",
"text_signature": "CrossChainFlowError(uint8)",
"hex_signature": "0xc5285a34",
"bytes_signature": "Å(Z4"
},
{
"id": 1207650,
"created_at": "2026-06-03T14:49:08.163488Z",
"text_signature": "FallbackPriceProviderNotSet()",
"hex_signature": "0xdc3810cb",
"bytes_signature": "Ü8\u0010Ë"
},
{
"id": 1207649,
"created_at": "2026-06-03T14:49:02.380891Z",
"text_signature": "KeyDoesNotMatchSymbol()",
"hex_signature": "0x5967478e",
"bytes_signature": "YgG"
},
{
"id": 1207648,
"created_at": "2026-06-03T14:48:56.023917Z",
"text_signature": "LiquidationProviderNotExist()",
"hex_signature": "0x6689787f",
"bytes_signature": "fx"
},
{
"id": 1207647,
"created_at": "2026-06-03T14:48:50.330588Z",
"text_signature": "LiquidationProviderAssetNotSupported()",
"hex_signature": "0x0305d340",
"bytes_signature": "\u0003\u0005Ó@"
},
{
"id": 1207646,
"created_at": "2026-06-03T14:48:45.142068Z",
"text_signature": "AssetNotSupported()",
"hex_signature": "0x981a2a2b",
"bytes_signature": "\u001a*+"
},
{
"id": 1207645,
"created_at": "2026-06-03T14:48:38.923702Z",
"text_signature": "LiquidationProviderAlreadySet()",
"hex_signature": "0x58acd009",
"bytes_signature": "X¬Ð\t"
},
{
"id": 1207644,
"created_at": "2026-06-03T14:48:33.048138Z",
"text_signature": "MissingPriceOrSetup()",
"hex_signature": "0x80d3f30a",
"bytes_signature": "Óó\n"
},
{
"id": 1207643,
"created_at": "2026-06-03T14:48:24.826622Z",
"text_signature": "PriceCanNotBeFoundForProvidedKey()",
"hex_signature": "0x1925ce41",
"bytes_signature": "\u0019%ÎA"
},
{
"id": 1207642,
"created_at": "2026-06-03T14:48:13.552328Z",
"text_signature": "OnlyUSDPriceAccepted()",
"hex_signature": "0x15a489af",
"bytes_signature": "\u0015¤¯"
},
{
"id": 1207641,
"created_at": "2026-06-03T14:48:08.199244Z",
"text_signature": "CanNotSetEthKey()",
"hex_signature": "0x2ed4b802",
"bytes_signature": ".Ô¸\u0002"
},
{
"id": 1207640,
"created_at": "2026-06-03T14:48:03.009730Z",
"text_signature": "InvalidKey()",
"hex_signature": "0x76d4e1e8",
"bytes_signature": "vÔáè"
},
{
"id": 1207639,
"created_at": "2026-06-03T14:47:58.059977Z",
"text_signature": "MissingETHPrice()",
"hex_signature": "0x2ae001b3",
"bytes_signature": "*à\u0001³"
},
{
"id": 1207638,
"created_at": "2026-06-03T14:47:45.099887Z",
"text_signature": "OldPrice()",
"hex_signature": "0x22dc1858",
"bytes_signature": "\"Ü\u0018X"
},
{
"id": 1207637,
"created_at": "2026-06-03T13:48:24.163199Z",
"text_signature": "_logoDataSlot(uint256)",
"hex_signature": "0x4c261981",
"bytes_signature": "L&\u0019"
},
{
"id": 1207636,
"created_at": "2026-06-03T13:48:24.158896Z",
"text_signature": "_uriWithLength(uint256)",
"hex_signature": "0xb9b1f6a8",
"bytes_signature": "¹±ö¨"
},
{
"id": 1207635,
"created_at": "2026-06-03T13:48:24.153377Z",
"text_signature": "_boundaryLength(uint256)",
"hex_signature": "0x8f402ccc",
"bytes_signature": "@,Ì"
},
{
"id": 1207634,
"created_at": "2026-06-03T13:48:24.150478Z",
"text_signature": "testExpectLogoURIUpdatedAlias()",
"hex_signature": "0xee8b45d6",
"bytes_signature": "îEÖ"
},
{
"id": 1207633,
"created_at": "2026-06-03T13:48:24.147623Z",
"text_signature": "testExpectTip20LogoURIUpdated()",
"hex_signature": "0x333f9c6a",
"bytes_signature": "3?j"
},
{
"id": 1207632,
"created_at": "2026-06-03T13:48:24.145816Z",
"text_signature": "testSetTip20LogoURIRejectsPrecompiles()",
"hex_signature": "0xc1ae8d62",
"bytes_signature": "Á®b"
},
{
"id": 1207631,
"created_at": "2026-06-03T13:48:24.143926Z",
"text_signature": "testSetLogoURIAliasWritesTip20Slot()",
"hex_signature": "0x07a284b8",
"bytes_signature": "\u0007¢¸"
},
{
"id": 1207630,
"created_at": "2026-06-03T13:48:24.142179Z",
"text_signature": "testSetTip20LogoURIAcceptsMixedCaseScheme()",
"hex_signature": "0x4ac9b0c8",
"bytes_signature": "JÉ°È"
},
{
"id": 1207629,
"created_at": "2026-06-03T13:48:24.140388Z",
"text_signature": "testSetTip20LogoURIRejectsInvalidValues()",
"hex_signature": "0x118c5359",
"bytes_signature": "\u0011SY"
},
{
"id": 1207628,
"created_at": "2026-06-03T13:48:24.138517Z",
"text_signature": "testSetTip20LogoURIWritesRawStorageEncoding()",
"hex_signature": "0x7b63502e",
"bytes_signature": "{cP."
},
{
"id": 1207627,
"created_at": "2026-06-03T13:48:24.136686Z",
"text_signature": "testSetTip20LogoURIOverwritesMalformedPriorSlot()",
"hex_signature": "0xaec511e9",
"bytes_signature": "®Å\u0011é"
},
{
"id": 1207626,
"created_at": "2026-06-03T13:48:24.134685Z",
"text_signature": "testSetTip20LogoURICleansStaleLongStringTail()",
"hex_signature": "0x65fb80d8",
"bytes_signature": "eûØ"
},
{
"id": 1207625,
"created_at": "2026-06-03T13:48:24.132466Z",
"text_signature": "testSetTip20LogoURIAcceptsExactByteLimit()",
"hex_signature": "0xa4b9f84f",
"bytes_signature": "¤¹øO"
},
{
"id": 1207624,
"created_at": "2026-06-03T13:48:24.129824Z",
"text_signature": "testSetTip20LogoURIStorageBoundaries()",
"hex_signature": "0x8a3ec0e1",
"bytes_signature": ">Àá"
},
{
"id": 1207623,
"created_at": "2026-06-03T13:48:24.121794Z",
"text_signature": "testSetTip20LogoURIWritesTip20Slot()",
"hex_signature": "0x2afa263a",
"bytes_signature": "*ú&:"
},
{
"id": 1207622,
"created_at": "2026-06-03T07:52:31.165356Z",
"text_signature": "PayloadTooSmall()",
"hex_signature": "0xb6c9ce43",
"bytes_signature": "¶ÉÎC"
},
{
"id": 1207621,
"created_at": "2026-06-03T07:52:23.465983Z",
"text_signature": "InvalidAttestation(bytes32,bytes32)",
"hex_signature": "0x731801a9",
"bytes_signature": "s\u0018\u0001©"
},
{
"id": 1207620,
"created_at": "2026-06-03T07:51:52.482822Z",
"text_signature": "FillDeadline()",
"hex_signature": "0x9f3ddb90",
"bytes_signature": "=Û"
},
{
"id": 1207619,
"created_at": "2026-06-03T07:48:23.248536Z",
"text_signature": "isImplicitlyApproved(address)",
"hex_signature": "0xa8da6aa7",
"bytes_signature": "¨Új§"
},
{
"id": 1207618,
"created_at": "2026-06-03T07:48:23.205522Z",
"text_signature": "assumeImplicitApproval(address)",
"hex_signature": "0x7c8cd6d2",
"bytes_signature": "|ÖÒ"
},
{
"id": 1207617,
"created_at": "2026-06-03T07:27:37.750708Z",
"text_signature": "NotProven()",
"hex_signature": "0xa506d334",
"bytes_signature": "¥\u0006Ó4"
},
{
"id": 1207616,
"created_at": "2026-06-03T07:26:50.248137Z",
"text_signature": "WrongEventSignature()",
"hex_signature": "0x49b4a8ba",
"bytes_signature": "I´¨º"
},
{
"id": 1207615,
"created_at": "2026-06-02T08:26:29.411262Z",
"text_signature": "CleanupDepositRequired()",
"hex_signature": "0x6cd8170b",
"bytes_signature": "lØ\u0017\u000b"
},
{
"id": 1207614,
"created_at": "2026-06-02T08:25:36.652408Z",
"text_signature": "USDFC_SYBIL_FEE()",
"hex_signature": "0x4db5e177",
"bytes_signature": "Mµáw"
},
{
"id": 1207613,
"created_at": "2026-06-02T08:25:12.870241Z",
"text_signature": "SYBIL_FEE()",
"hex_signature": "0xdbda18ee",
"bytes_signature": "ÛÚ\u0018î"
},
{
"id": 1207612,
"created_at": "2026-06-02T06:01:35.606231Z",
"text_signature": "totalEthSpent()",
"hex_signature": "0x92d3b886",
"bytes_signature": "Ó¸"
},
{
"id": 1207611,
"created_at": "2026-06-02T06:01:35.597926Z",
"text_signature": "getBurnedTokenIds()",
"hex_signature": "0x9b22e548",
"bytes_signature": "\"åH"
},
{
"id": 1207610,
"created_at": "2026-06-02T06:01:35.595076Z",
"text_signature": "getBurnHistory()",
"hex_signature": "0x030c0c26",
"bytes_signature": "\u0003\f\f&"
},
{
"id": 1207609,
"created_at": "2026-06-02T06:01:35.591778Z",
"text_signature": "getBurnDetail(uint256)",
"hex_signature": "0x68a33137",
"bytes_signature": "h£17"
},
{
"id": 1207608,
"created_at": "2026-06-02T06:01:35.588085Z",
"text_signature": "buyAndBurnAdvanced(bytes,uint256,uint256)",
"hex_signature": "0xcce87cb5",
"bytes_signature": "Ìè|µ"
},
{
"id": 1207607,
"created_at": "2026-06-02T06:01:35.584301Z",
"text_signature": "buyAndBurn(bytes,uint256,uint256)",
"hex_signature": "0xf600f591",
"bytes_signature": "ö\u0000õ"
}
]
}