HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1171936,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=82",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=80",
"results": [
{
"id": 1197031,
"created_at": "2026-02-20T16:08:03.091128Z",
"text_signature": "_transferCollateralWithdraw(address,uint256,bool)",
"hex_signature": "0xb8707e79",
"bytes_signature": "¸p~y"
},
{
"id": 1197030,
"created_at": "2026-02-20T16:08:03.080366Z",
"text_signature": "_transferCollateralDeposit(uint256,bool)",
"hex_signature": "0x090972e8",
"bytes_signature": "\t\trè"
},
{
"id": 1197029,
"created_at": "2026-02-20T16:08:03.069789Z",
"text_signature": "_getBalanceAfterWithdrawAndCheckMaxBorrowable(uint256,uint256)",
"hex_signature": "0xfbe05e3e",
"bytes_signature": "ûà^>"
},
{
"id": 1197028,
"created_at": "2026-02-20T16:08:03.046403Z",
"text_signature": "_updateCollatAndDebts(address,uint256,uint256,uint256,uint256)",
"hex_signature": "0xaeddcd1f",
"bytes_signature": "®ÝÍ\u001f"
},
{
"id": 1197027,
"created_at": "2026-02-20T16:07:19.006575Z",
"text_signature": "reeantrancyOff()",
"hex_signature": "0x27f9f2cf",
"bytes_signature": "'ùòÏ"
},
{
"id": 1197026,
"created_at": "2026-02-20T16:07:19.003908Z",
"text_signature": "reeantrancyOn()",
"hex_signature": "0xf2fcad12",
"bytes_signature": "òü\u0012"
},
{
"id": 1197025,
"created_at": "2026-02-20T16:07:19.001413Z",
"text_signature": "migrateTo(address,uint256,uint256)",
"hex_signature": "0x873c0e39",
"bytes_signature": "<\u000e9"
},
{
"id": 1197024,
"created_at": "2026-02-20T16:07:18.998848Z",
"text_signature": "migrateFrom(address,uint256,uint256,uint256,address)",
"hex_signature": "0x06c46a58",
"bytes_signature": "\u0006ÄjX"
},
{
"id": 1197023,
"created_at": "2026-02-20T16:07:18.995447Z",
"text_signature": "seizeCollateral(address)",
"hex_signature": "0xfe45fe17",
"bytes_signature": "þEþ\u0017"
},
{
"id": 1197022,
"created_at": "2026-02-20T14:17:23.242763Z",
"text_signature": "testSymbolicCountLeadingZeroes(uint256)",
"hex_signature": "0x40fa8b21",
"bytes_signature": "@ú!"
},
{
"id": 1197021,
"created_at": "2026-02-20T12:54:55.227419Z",
"text_signature": "getRawBlockHeader(uint256)",
"hex_signature": "0x2c667606",
"bytes_signature": ",fv\u0006"
},
{
"id": 1197020,
"created_at": "2026-02-20T12:54:54.841099Z",
"text_signature": "testGetRawBlockHeaderWithFork()",
"hex_signature": "0xf53bc7fb",
"bytes_signature": "õ;Çû"
},
{
"id": 1197019,
"created_at": "2026-02-20T12:50:15.161277Z",
"text_signature": "_validateBackupEligibilityAndState(bytes1)",
"hex_signature": "0xe5754509",
"bytes_signature": "åuE\t"
},
{
"id": 1197018,
"created_at": "2026-02-20T12:50:15.157935Z",
"text_signature": "_validateUserVerifiedBitSet(bytes1)",
"hex_signature": "0x1a4a5dde",
"bytes_signature": "\u001aJ]Þ"
},
{
"id": 1197017,
"created_at": "2026-02-20T12:50:15.150499Z",
"text_signature": "_validateUserPresentBitSet(bytes1)",
"hex_signature": "0xec2dbe34",
"bytes_signature": "ì-¾4"
},
{
"id": 1197016,
"created_at": "2026-02-20T12:50:14.369817Z",
"text_signature": "_encodeAuthenticatorData(bytes1)",
"hex_signature": "0xb027af31",
"bytes_signature": "°'¯1"
},
{
"id": 1197015,
"created_at": "2026-02-20T12:50:14.361746Z",
"text_signature": "testTryDecodeAuthInvalid()",
"hex_signature": "0x20246d7e",
"bytes_signature": " $m~"
},
{
"id": 1197014,
"created_at": "2026-02-20T12:13:24.326248Z",
"text_signature": "EndTimeMustBeGreaterThanStartTime()",
"hex_signature": "0x73b93553",
"bytes_signature": "s¹5S"
},
{
"id": 1197013,
"created_at": "2026-02-20T10:17:39.004590Z",
"text_signature": "lsbToAddress(bytes32)",
"hex_signature": "0x93f4cc35",
"bytes_signature": "ôÌ5"
},
{
"id": 1197012,
"created_at": "2026-02-20T10:17:39.000509Z",
"text_signature": "msbToAddress(bytes32)",
"hex_signature": "0x56aaef05",
"bytes_signature": "Vªï\u0005"
},
{
"id": 1197011,
"created_at": "2026-02-20T10:17:38.360275Z",
"text_signature": "testBytes32ToAddress(bytes32)",
"hex_signature": "0xebc2dc0e",
"bytes_signature": "ëÂÜ\u000e"
},
{
"id": 1197010,
"created_at": "2026-02-20T06:00:53.168341Z",
"text_signature": "poolToToken(bytes32)",
"hex_signature": "0xd5cd2485",
"bytes_signature": "ÕÍ$
"
},
{
"id": 1197009,
"created_at": "2026-02-20T06:00:53.164815Z",
"text_signature": "platformReserve()",
"hex_signature": "0x42277097",
"bytes_signature": "B'p"
},
{
"id": 1197008,
"created_at": "2026-02-20T06:00:53.161887Z",
"text_signature": "pairTokenSupported(address)",
"hex_signature": "0xe9be3220",
"bytes_signature": "é¾2 "
},
{
"id": 1197007,
"created_at": "2026-02-20T06:00:53.157762Z",
"text_signature": "launchToken(string,string,string,int24,address,address,uint128)",
"hex_signature": "0x19688cb4",
"bytes_signature": "\u0019h´"
},
{
"id": 1197006,
"created_at": "2026-02-20T06:00:53.141020Z",
"text_signature": "calculateSupplyAllocation(uint256)",
"hex_signature": "0x83e18273",
"bytes_signature": "ás"
},
{
"id": 1197005,
"created_at": "2026-02-20T06:00:53.119198Z",
"text_signature": "addPairToken(address,bool)",
"hex_signature": "0x0e197f0d",
"bytes_signature": "\u000e\u0019\r"
},
{
"id": 1197004,
"created_at": "2026-02-20T04:40:20.473989Z",
"text_signature": "nominator_estimated_yearly_return(address)",
"hex_signature": "0x8e2beb9a",
"bytes_signature": "+ë"
},
{
"id": 1197003,
"created_at": "2026-02-20T04:36:09.551509Z",
"text_signature": "getDeployedWithCreate2()",
"hex_signature": "0x4163b6c8",
"bytes_signature": "Ac¶È"
},
{
"id": 1197002,
"created_at": "2026-02-20T04:36:09.548603Z",
"text_signature": "getDeployedWithCreate()",
"hex_signature": "0x5197e180",
"bytes_signature": "Qá"
},
{
"id": 1197001,
"created_at": "2026-02-20T04:36:09.546397Z",
"text_signature": "createSimpleContractWithCreate2(uint256)",
"hex_signature": "0x9cf389af",
"bytes_signature": "ó¯"
},
{
"id": 1197000,
"created_at": "2026-02-20T04:36:09.543639Z",
"text_signature": "createSimpleContractWithCreate()",
"hex_signature": "0x144abbbf",
"bytes_signature": "\u0014J»¿"
},
{
"id": 1196999,
"created_at": "2026-02-20T04:35:25.055439Z",
"text_signature": "mulSqrt(uint256,uint256)",
"hex_signature": "0x11522065",
"bytes_signature": "\u0011R e"
},
{
"id": 1196998,
"created_at": "2026-02-20T04:35:23.292165Z",
"text_signature": "testMulSqrt()",
"hex_signature": "0x3cc28ec9",
"bytes_signature": "<ÂÉ"
},
{
"id": 1196997,
"created_at": "2026-02-20T04:35:23.289190Z",
"text_signature": "_mulSqrtOriginal(uint256,uint256)",
"hex_signature": "0xbf3b019f",
"bytes_signature": "¿;\u0001"
},
{
"id": 1196996,
"created_at": "2026-02-20T04:35:23.286222Z",
"text_signature": "testMulSqrtDifferential(uint256,uint256)",
"hex_signature": "0x41472d21",
"bytes_signature": "AG-!"
},
{
"id": 1196995,
"created_at": "2026-02-20T04:35:23.283309Z",
"text_signature": "_testMulSqrt(uint256,uint256,uint256)",
"hex_signature": "0xc9be5b48",
"bytes_signature": "ɾ[H"
},
{
"id": 1196994,
"created_at": "2026-02-20T04:35:23.280322Z",
"text_signature": "_fullMul(uint256,uint256)",
"hex_signature": "0x15a7f764",
"bytes_signature": "\u0015§÷d"
},
{
"id": 1196993,
"created_at": "2026-02-20T04:35:23.277803Z",
"text_signature": "testMulSqrt(uint256,uint256)",
"hex_signature": "0x506b9e7a",
"bytes_signature": "Pkz"
},
{
"id": 1196992,
"created_at": "2026-02-20T04:35:23.272057Z",
"text_signature": "testMulSqrtSmall(uint256,uint256)",
"hex_signature": "0xafd098e7",
"bytes_signature": "¯Ðç"
},
{
"id": 1196991,
"created_at": "2026-02-20T02:41:56.820032Z",
"text_signature": "proxyCreationCodehash(address)",
"hex_signature": "0x1fdac6c5",
"bytes_signature": "\u001fÚÆÅ"
},
{
"id": 1196990,
"created_at": "2026-02-20T02:07:08.722754Z",
"text_signature": "reverseBytes2(bytes2)",
"hex_signature": "0x00be9f7a",
"bytes_signature": "\u0000¾z"
},
{
"id": 1196989,
"created_at": "2026-02-20T02:07:08.720479Z",
"text_signature": "reverseBytes4(bytes4)",
"hex_signature": "0xa99ebfd2",
"bytes_signature": "©¿Ò"
},
{
"id": 1196988,
"created_at": "2026-02-20T02:07:08.716309Z",
"text_signature": "reverseBytes8(bytes8)",
"hex_signature": "0xcaddaba9",
"bytes_signature": "ÊÝ«©"
},
{
"id": 1196987,
"created_at": "2026-02-20T02:07:08.102669Z",
"text_signature": "_dirtyBytes2(bytes2)",
"hex_signature": "0x9c0e1f5f",
"bytes_signature": "\u000e\u001f_"
},
{
"id": 1196986,
"created_at": "2026-02-20T02:07:08.100441Z",
"text_signature": "_dirtyBytes4(bytes4)",
"hex_signature": "0x3608e6fb",
"bytes_signature": "6\bæû"
},
{
"id": 1196985,
"created_at": "2026-02-20T02:07:08.097056Z",
"text_signature": "_dirtyBytes8(bytes8)",
"hex_signature": "0x7fb7de9a",
"bytes_signature": "·Þ"
},
{
"id": 1196984,
"created_at": "2026-02-20T02:07:08.094734Z",
"text_signature": "_dirtyBytes16(bytes16)",
"hex_signature": "0xe675bcd8",
"bytes_signature": "æu¼Ø"
},
{
"id": 1196983,
"created_at": "2026-02-20T02:07:08.092393Z",
"text_signature": "testSymbolicReverseBytes2Dirty(bytes2)",
"hex_signature": "0x1e778e69",
"bytes_signature": "\u001ewi"
},
{
"id": 1196982,
"created_at": "2026-02-20T02:07:08.090131Z",
"text_signature": "testSymbolicReverseBytes2(bytes2)",
"hex_signature": "0x189083cb",
"bytes_signature": "\u0018Ë"
},
{
"id": 1196981,
"created_at": "2026-02-20T02:07:08.088037Z",
"text_signature": "testSymbolicReverseBytes4Dirty(bytes4)",
"hex_signature": "0xf7a26cb7",
"bytes_signature": "÷¢l·"
},
{
"id": 1196980,
"created_at": "2026-02-20T02:07:08.084709Z",
"text_signature": "testSymbolicReverseBytes4(bytes4)",
"hex_signature": "0x390f7a0d",
"bytes_signature": "9\u000fz\r"
},
{
"id": 1196979,
"created_at": "2026-02-20T02:07:08.082523Z",
"text_signature": "testSymbolicReverseBytes8Dirty(bytes8)",
"hex_signature": "0x111a9876",
"bytes_signature": "\u0011\u001av"
},
{
"id": 1196978,
"created_at": "2026-02-20T02:07:08.080193Z",
"text_signature": "testSymbolicReverseBytes8(bytes8)",
"hex_signature": "0xebf8c57f",
"bytes_signature": "ëøÅ"
},
{
"id": 1196977,
"created_at": "2026-02-20T02:07:08.077971Z",
"text_signature": "testSymbolicReverseBytes16Dirty(bytes16)",
"hex_signature": "0x0bf990ed",
"bytes_signature": "\u000bùí"
},
{
"id": 1196976,
"created_at": "2026-02-20T02:07:08.075678Z",
"text_signature": "testSymbolicReverseBytes16(bytes16)",
"hex_signature": "0x57e52366",
"bytes_signature": "Wå#f"
},
{
"id": 1196975,
"created_at": "2026-02-20T02:07:08.066440Z",
"text_signature": "testSymbolicReverseBytes32(bytes32)",
"hex_signature": "0xfb51cfc6",
"bytes_signature": "ûQÏÆ"
},
{
"id": 1196974,
"created_at": "2026-02-20T01:46:33.476666Z",
"text_signature": "asPointer(bytes32)",
"hex_signature": "0x552211a3",
"bytes_signature": "U\"\u0011£"
},
{
"id": 1196973,
"created_at": "2026-02-20T01:46:32.838065Z",
"text_signature": "testGetsetFreeMemoryPointer(uint256)",
"hex_signature": "0xfeb1c80a",
"bytes_signature": "þ±È\n"
},
{
"id": 1196972,
"created_at": "2026-02-20T01:31:24.093369Z",
"text_signature": "supportsAttribute(bytes4)",
"hex_signature": "0xdc680a0f",
"bytes_signature": "Üh\n\u000f"
},
{
"id": 1196971,
"created_at": "2026-02-20T01:00:15.819647Z",
"text_signature": "testCreateSelectForkBlockNumber()",
"hex_signature": "0x5d84f87c",
"bytes_signature": "]ø|"
},
{
"id": 1196970,
"created_at": "2026-02-20T00:59:08.301835Z",
"text_signature": "sponsorExternalMatchSettle(uint256,address,(address,address,(uint256),uint256,uint256,uint256),(bool,uint8,bytes),address,bool,uint256,uint256,bytes)",
"hex_signature": "0xdd74fcc9",
"bytes_signature": "ÝtüÉ"
},
{
"id": 1196969,
"created_at": "2026-02-20T00:28:11.911238Z",
"text_signature": "incoming_doom()",
"hex_signature": "0x5bf737e4",
"bytes_signature": "[÷7ä"
},
{
"id": 1196968,
"created_at": "2026-02-19T20:17:58.692790Z",
"text_signature": "revert_()",
"hex_signature": "0xbf0a6add",
"bytes_signature": "¿\njÝ"
},
{
"id": 1196967,
"created_at": "2026-02-19T18:26:14.547868Z",
"text_signature": "setBaseMetadata(uint256,bool,bool,bool)",
"hex_signature": "0x50ba3c4d",
"bytes_signature": "Pº<M"
},
{
"id": 1196966,
"created_at": "2026-02-19T18:26:14.539308Z",
"text_signature": "baseMetadataOfAll()",
"hex_signature": "0x0e3cc22b",
"bytes_signature": "\u000e<Â+"
},
{
"id": 1196965,
"created_at": "2026-02-19T18:26:14.536817Z",
"text_signature": "baseMetadataOf(uint256)",
"hex_signature": "0x8f427f4f",
"bytes_signature": "BO"
},
{
"id": 1196964,
"created_at": "2026-02-19T18:26:14.527770Z",
"text_signature": "_validGroups(address,uint256)",
"hex_signature": "0x96a2ee1b",
"bytes_signature": "¢î\u001b"
},
{
"id": 1196963,
"created_at": "2026-02-19T18:26:14.525156Z",
"text_signature": "_upsertGroup(address,uint256,uint256,uint256)",
"hex_signature": "0x317f06fc",
"bytes_signature": "1\u0006ü"
},
{
"id": 1196962,
"created_at": "2026-02-19T18:26:14.522628Z",
"text_signature": "ttlOfAll()",
"hex_signature": "0xc345ec33",
"bytes_signature": "ÃEì3"
},
{
"id": 1196961,
"created_at": "2026-02-19T18:26:14.519883Z",
"text_signature": "ttlOf(uint256)",
"hex_signature": "0xdc3e82d3",
"bytes_signature": "Ü>Ó"
},
{
"id": 1196960,
"created_at": "2026-02-19T18:26:14.517211Z",
"text_signature": "setTTL(uint256,uint256)",
"hex_signature": "0xd122e681",
"bytes_signature": "Ñ\"æ"
},
{
"id": 1196959,
"created_at": "2026-02-19T18:26:14.514275Z",
"text_signature": "_transferGroups(address,address,uint256,uint256)",
"hex_signature": "0x5615c789",
"bytes_signature": "V\u0015Ç"
},
{
"id": 1196958,
"created_at": "2026-02-19T18:26:14.511534Z",
"text_signature": "_pruneGroups(address,uint256)",
"hex_signature": "0x7f0714b2",
"bytes_signature": "\u0007\u0014²"
},
{
"id": 1196957,
"created_at": "2026-02-19T18:26:14.509124Z",
"text_signature": "expirationFor(uint256)",
"hex_signature": "0x800ed2a3",
"bytes_signature": "\u000eÒ£"
},
{
"id": 1196956,
"created_at": "2026-02-19T18:26:14.506789Z",
"text_signature": "_burnGroupBalances(address,uint256,uint256)",
"hex_signature": "0x5931c324",
"bytes_signature": "Y1Ã$"
},
{
"id": 1196955,
"created_at": "2026-02-19T18:26:14.504379Z",
"text_signature": "balanceDetailsOfAll(address)",
"hex_signature": "0x9c407ff0",
"bytes_signature": "@ð"
},
{
"id": 1196954,
"created_at": "2026-02-19T18:26:14.501906Z",
"text_signature": "balanceDetailsOf(address,uint256)",
"hex_signature": "0x0f501059",
"bytes_signature": "\u000fP\u0010Y"
},
{
"id": 1196953,
"created_at": "2026-02-19T18:26:14.492659Z",
"text_signature": "priceOfAll()",
"hex_signature": "0xca33ec35",
"bytes_signature": "Ê3ì5"
},
{
"id": 1196952,
"created_at": "2026-02-19T18:26:14.487867Z",
"text_signature": "setMetadata(uint256,bool,bool,bool,uint256,uint256)",
"hex_signature": "0xdd7a3462",
"bytes_signature": "Ýz4b"
},
{
"id": 1196951,
"created_at": "2026-02-19T18:26:14.479325Z",
"text_signature": "metadataOfAll()",
"hex_signature": "0xfeb17fda",
"bytes_signature": "þ±Ú"
},
{
"id": 1196950,
"created_at": "2026-02-19T18:26:11.784244Z",
"text_signature": "predictAddress()",
"hex_signature": "0x0d1469ee",
"bytes_signature": "\r\u0014iî"
},
{
"id": 1196949,
"created_at": "2026-02-19T18:26:11.779488Z",
"text_signature": "_constructorArgs(address)",
"hex_signature": "0x57cee72d",
"bytes_signature": "WÎç-"
},
{
"id": 1196948,
"created_at": "2026-02-19T18:26:11.774473Z",
"text_signature": "_projectID()",
"hex_signature": "0x5997c6c3",
"bytes_signature": "YÆÃ"
},
{
"id": 1196947,
"created_at": "2026-02-19T18:26:11.770507Z",
"text_signature": "test_ChangeDefaultAdmin()",
"hex_signature": "0x3ce34fb2",
"bytes_signature": "<ãO²"
},
{
"id": 1196946,
"created_at": "2026-02-19T18:26:11.767002Z",
"text_signature": "test_RejectDirectPayment()",
"hex_signature": "0x5eb823b4",
"bytes_signature": "^¸#´"
},
{
"id": 1196945,
"created_at": "2026-02-19T18:26:11.762920Z",
"text_signature": "test_RemoveFromBlacklist()",
"hex_signature": "0x6f070975",
"bytes_signature": "o\u0007\tu"
},
{
"id": 1196944,
"created_at": "2026-02-19T18:26:11.759072Z",
"text_signature": "test_BatchBlacklisting()",
"hex_signature": "0xa61c6f15",
"bytes_signature": "¦\u001co\u0015"
},
{
"id": 1196943,
"created_at": "2026-02-19T18:26:11.754976Z",
"text_signature": "test_Blacklisting()",
"hex_signature": "0xb30d8171",
"bytes_signature": "³\rq"
},
{
"id": 1196942,
"created_at": "2026-02-19T18:26:11.750838Z",
"text_signature": "test_TokenExpiration()",
"hex_signature": "0xbdeb5e52",
"bytes_signature": "½ë^R"
},
{
"id": 1196941,
"created_at": "2026-02-19T18:26:11.746992Z",
"text_signature": "test_TokenPurchaseDifferentAccountOverpayment()",
"hex_signature": "0xb4cdc55f",
"bytes_signature": "´ÍÅ_"
},
{
"id": 1196940,
"created_at": "2026-02-19T18:26:11.742976Z",
"text_signature": "test_TokenPurchaseDifferentAccount()",
"hex_signature": "0xc253dc4d",
"bytes_signature": "ÂSÜM"
},
{
"id": 1196939,
"created_at": "2026-02-19T18:26:11.739137Z",
"text_signature": "test_TokenPurchaseInsufficientFunds()",
"hex_signature": "0x0f4ec0c8",
"bytes_signature": "\u000fNÀÈ"
},
{
"id": 1196938,
"created_at": "2026-02-19T18:26:11.735112Z",
"text_signature": "test_TokenPurchase()",
"hex_signature": "0x4e2337e9",
"bytes_signature": "N#7é"
},
{
"id": 1196937,
"created_at": "2026-02-19T18:26:11.730901Z",
"text_signature": "test_NonTransferableToken()",
"hex_signature": "0xd154a45c",
"bytes_signature": "ÑT¤\\"
},
{
"id": 1196936,
"created_at": "2026-02-19T18:26:11.726437Z",
"text_signature": "test_TokenTransfer()",
"hex_signature": "0x22f2b4a3",
"bytes_signature": "\"ò´£"
},
{
"id": 1196935,
"created_at": "2026-02-19T18:26:11.722318Z",
"text_signature": "test_IssueBatch()",
"hex_signature": "0xac143114",
"bytes_signature": "¬\u00141\u0014"
},
{
"id": 1196934,
"created_at": "2026-02-19T18:26:11.718131Z",
"text_signature": "test_IssueToken()",
"hex_signature": "0x06192ac0",
"bytes_signature": "\u0006\u0019*À"
},
{
"id": 1196933,
"created_at": "2026-02-19T18:26:11.713831Z",
"text_signature": "test_GetMetadata()",
"hex_signature": "0x21b20d0f",
"bytes_signature": "!²\r\u000f"
},
{
"id": 1196932,
"created_at": "2026-02-19T18:26:11.710244Z",
"text_signature": "test_SetMetadata()",
"hex_signature": "0x186c126f",
"bytes_signature": "\u0018l\u0012o"
}
]
}