HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1169241,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=107",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=105",
"results": [
{
"id": 1191836,
"created_at": "2026-02-16T09:14:46.710350Z",
"text_signature": "_checkVersion(uint64)",
"hex_signature": "0xb817f064",
"bytes_signature": "¸\u0017ðd"
},
{
"id": 1191835,
"created_at": "2026-02-16T09:14:46.707615Z",
"text_signature": "_expectEmitInitialized(uint64)",
"hex_signature": "0x3c610f8e",
"bytes_signature": "<a\u000f"
},
{
"id": 1191834,
"created_at": "2026-02-16T09:14:46.705218Z",
"text_signature": "_args()",
"hex_signature": "0x8cc69939",
"bytes_signature": "Æ9"
},
{
"id": 1191833,
"created_at": "2026-02-16T09:14:46.700385Z",
"text_signature": "testContext(address,bytes32,uint256,address,uint256)",
"hex_signature": "0xf99e369e",
"bytes_signature": "ù6"
},
{
"id": 1191832,
"created_at": "2026-02-16T09:14:46.698238Z",
"text_signature": "_createAccount(address,bytes32,uint256,address,uint256)",
"hex_signature": "0x77c140c2",
"bytes_signature": "wÁ@Â"
},
{
"id": 1191831,
"created_at": "2026-02-16T09:14:46.695998Z",
"text_signature": "_account(address,bytes32,uint256,address,uint256)",
"hex_signature": "0x4ea0a1a8",
"bytes_signature": "N ¡¨"
},
{
"id": 1191830,
"created_at": "2026-02-16T09:14:46.693811Z",
"text_signature": "testIsERC6551Account(address,bytes32,uint256,address,uint256)",
"hex_signature": "0x8d5ba501",
"bytes_signature": "[¥\u0001"
},
{
"id": 1191829,
"created_at": "2026-02-16T09:14:46.691684Z",
"text_signature": "testComputeAccountAddress(address,bytes32,uint256,address,uint256)",
"hex_signature": "0x8710b519",
"bytes_signature": "\u0010µ\u0019"
},
{
"id": 1191828,
"created_at": "2026-02-16T09:14:46.689640Z",
"text_signature": "testInitCodeHash(address,bytes32,uint256,address,uint256)",
"hex_signature": "0x4e04993f",
"bytes_signature": "N\u0004?"
},
{
"id": 1191827,
"created_at": "2026-02-16T09:14:46.685367Z",
"text_signature": "updateUint8Set(uint8,bool,uint256)",
"hex_signature": "0xe6cd336a",
"bytes_signature": "æÍ3j"
},
{
"id": 1191826,
"created_at": "2026-02-16T09:14:46.682879Z",
"text_signature": "updateBytes32Set(bytes32,bool,uint256)",
"hex_signature": "0x004ea763",
"bytes_signature": "\u0000N§c"
},
{
"id": 1191825,
"created_at": "2026-02-16T09:14:46.680293Z",
"text_signature": "updateAddressSet(address,bool,uint256)",
"hex_signature": "0xc7b468d2",
"bytes_signature": "Ç´hÒ"
},
{
"id": 1191824,
"created_at": "2026-02-16T09:14:46.678243Z",
"text_signature": "testEnumerableAddressSetUpdate()",
"hex_signature": "0x8f2d1367",
"bytes_signature": "-\u0013g"
},
{
"id": 1191823,
"created_at": "2026-02-16T09:14:46.675209Z",
"text_signature": "bytes32SetAt(uint256)",
"hex_signature": "0xb777ce16",
"bytes_signature": "·wÎ\u0016"
},
{
"id": 1191822,
"created_at": "2026-02-16T09:14:46.672863Z",
"text_signature": "removeFromBytes32Set(bytes32)",
"hex_signature": "0xc671e1dd",
"bytes_signature": "ÆqáÝ"
},
{
"id": 1191821,
"created_at": "2026-02-16T09:14:46.670684Z",
"text_signature": "bytes32SetContains(bytes32)",
"hex_signature": "0x16c27d45",
"bytes_signature": "\u0016Â}E"
},
{
"id": 1191820,
"created_at": "2026-02-16T09:14:46.668553Z",
"text_signature": "addToBytes32Set(bytes32)",
"hex_signature": "0xfd21b8a3",
"bytes_signature": "ý!¸£"
},
{
"id": 1191819,
"created_at": "2026-02-16T09:14:46.666290Z",
"text_signature": "addressSetAt(uint256)",
"hex_signature": "0x6eae35bf",
"bytes_signature": "n®5¿"
},
{
"id": 1191818,
"created_at": "2026-02-16T09:14:46.663955Z",
"text_signature": "removeFromAddressSet(address)",
"hex_signature": "0xd417037f",
"bytes_signature": "Ô\u0017\u0003"
},
{
"id": 1191817,
"created_at": "2026-02-16T09:14:46.661339Z",
"text_signature": "addressSetContains(address)",
"hex_signature": "0x9bafd501",
"bytes_signature": "¯Õ\u0001"
},
{
"id": 1191816,
"created_at": "2026-02-16T09:14:46.659135Z",
"text_signature": "addToAddressSet(address)",
"hex_signature": "0x2680bcbc",
"bytes_signature": "&¼¼"
},
{
"id": 1191815,
"created_at": "2026-02-16T09:14:46.656387Z",
"text_signature": "uint8SetAt(uint256)",
"hex_signature": "0x4c8d5634",
"bytes_signature": "LV4"
},
{
"id": 1191814,
"created_at": "2026-02-16T09:14:46.654011Z",
"text_signature": "_flagsToOrdinals(uint256)",
"hex_signature": "0x36fad420",
"bytes_signature": "6úÔ "
},
{
"id": 1191813,
"created_at": "2026-02-16T09:14:46.651949Z",
"text_signature": "testEnumerableUint8Set()",
"hex_signature": "0x9496a2ad",
"bytes_signature": "¢"
},
{
"id": 1191812,
"created_at": "2026-02-16T09:14:46.649660Z",
"text_signature": "_sampleUniqueAddresses(uint256)",
"hex_signature": "0xd39b5586",
"bytes_signature": "ÓU"
},
{
"id": 1191811,
"created_at": "2026-02-16T09:14:46.647616Z",
"text_signature": "_testEnumerableInt256SetFuzz()",
"hex_signature": "0x00d2f219",
"bytes_signature": "\u0000Òò\u0019"
},
{
"id": 1191810,
"created_at": "2026-02-16T09:14:46.645530Z",
"text_signature": "_testEnumerableUint256SetFuzz()",
"hex_signature": "0x2e99ba1a",
"bytes_signature": ".º\u001a"
},
{
"id": 1191809,
"created_at": "2026-02-16T09:14:46.643302Z",
"text_signature": "_testEnumerableBytes32SetFuzz()",
"hex_signature": "0x2fa65549",
"bytes_signature": "/¦UI"
},
{
"id": 1191808,
"created_at": "2026-02-16T09:14:46.641303Z",
"text_signature": "_testEnumerableBytes32SetFuzz(uint256)",
"hex_signature": "0x61287e81",
"bytes_signature": "a(~"
},
{
"id": 1191807,
"created_at": "2026-02-16T09:14:46.639016Z",
"text_signature": "_testEnumerableAddressSetFuzz()",
"hex_signature": "0x0b43bc9b",
"bytes_signature": "\u000bC¼"
},
{
"id": 1191806,
"created_at": "2026-02-16T09:14:46.636534Z",
"text_signature": "_testEnumerableAddressSetFuzz(uint256)",
"hex_signature": "0x46583c07",
"bytes_signature": "FX<\u0007"
},
{
"id": 1191805,
"created_at": "2026-02-16T09:14:46.633948Z",
"text_signature": "testEnumerableSetFuzz(uint256)",
"hex_signature": "0x115a2b11",
"bytes_signature": "\u0011Z+\u0011"
},
{
"id": 1191804,
"created_at": "2026-02-16T09:14:46.631497Z",
"text_signature": "testEnumerableBytes32SetBasic2()",
"hex_signature": "0xc0a61d8c",
"bytes_signature": "À¦\u001d"
},
{
"id": 1191803,
"created_at": "2026-02-16T09:14:46.629204Z",
"text_signature": "testEnumerableAddressSetBasic2()",
"hex_signature": "0x6d3fae76",
"bytes_signature": "m?®v"
},
{
"id": 1191802,
"created_at": "2026-02-16T09:14:46.626946Z",
"text_signature": "testEnumerableBytes32SetBasic()",
"hex_signature": "0x33e2ec71",
"bytes_signature": "3âìq"
},
{
"id": 1191801,
"created_at": "2026-02-16T09:14:46.623976Z",
"text_signature": "testEnumerableAddressSetBasic()",
"hex_signature": "0x7fe60a4c",
"bytes_signature": "æ\nL"
},
{
"id": 1191800,
"created_at": "2026-02-16T09:14:46.620725Z",
"text_signature": "testEnumerableBytes32SetNoStorageCollision()",
"hex_signature": "0xdec56781",
"bytes_signature": "ÞÅg"
},
{
"id": 1191799,
"created_at": "2026-02-16T09:14:46.617624Z",
"text_signature": "testEnumerableAddressSetNoStorageCollision()",
"hex_signature": "0x317f49e0",
"bytes_signature": "1Ià"
},
{
"id": 1191798,
"created_at": "2026-02-16T09:14:46.613200Z",
"text_signature": "_commonBitPrefixOriginal(uint256,uint256)",
"hex_signature": "0x3a6135fd",
"bytes_signature": ":a5ý"
},
{
"id": 1191797,
"created_at": "2026-02-16T09:14:46.608969Z",
"text_signature": "testCommonBitPrefixDifferential(uint256,uint256)",
"hex_signature": "0x994ab71d",
"bytes_signature": "J·\u001d"
},
{
"id": 1191796,
"created_at": "2026-02-16T09:14:46.605220Z",
"text_signature": "_commonBytePrefixOriginal(uint256,uint256)",
"hex_signature": "0xd961a4c0",
"bytes_signature": "Ùa¤À"
},
{
"id": 1191795,
"created_at": "2026-02-16T09:14:46.601448Z",
"text_signature": "testCommonBytePrefixDifferential(uint256,uint256)",
"hex_signature": "0x680c46a1",
"bytes_signature": "h\fF¡"
},
{
"id": 1191794,
"created_at": "2026-02-16T09:14:46.598195Z",
"text_signature": "testCommonBytePrefix()",
"hex_signature": "0xc74a63fe",
"bytes_signature": "ÇJcþ"
},
{
"id": 1191793,
"created_at": "2026-02-16T09:14:46.595123Z",
"text_signature": "_commonNibblePrefixOriginal(uint256,uint256)",
"hex_signature": "0x089f4067",
"bytes_signature": "\b@g"
},
{
"id": 1191792,
"created_at": "2026-02-16T09:14:46.591900Z",
"text_signature": "testCommonNibblePrefixDifferential(uint256,uint256)",
"hex_signature": "0x9bb8f910",
"bytes_signature": "¸ù\u0010"
},
{
"id": 1191791,
"created_at": "2026-02-16T09:14:46.588490Z",
"text_signature": "testCommonNibblePrefix()",
"hex_signature": "0x2a27bc4a",
"bytes_signature": "*'¼J"
},
{
"id": 1191790,
"created_at": "2026-02-16T09:14:46.585165Z",
"text_signature": "_reverseBytesOriginal(uint256)",
"hex_signature": "0x04e2105b",
"bytes_signature": "\u0004â\u0010["
},
{
"id": 1191789,
"created_at": "2026-02-16T09:14:46.581820Z",
"text_signature": "testReverseBytesDifferential(uint256)",
"hex_signature": "0x6642d633",
"bytes_signature": "fBÖ3"
},
{
"id": 1191788,
"created_at": "2026-02-16T09:14:46.578168Z",
"text_signature": "testReverseBytes()",
"hex_signature": "0xafb92fd9",
"bytes_signature": "¯¹/Ù"
},
{
"id": 1191787,
"created_at": "2026-02-16T09:14:46.574727Z",
"text_signature": "_reverseBitsOriginal(uint256)",
"hex_signature": "0xdfa22dd0",
"bytes_signature": "ߢ-Ð"
},
{
"id": 1191786,
"created_at": "2026-02-16T09:14:46.571260Z",
"text_signature": "testReverseBitsDifferential(uint256)",
"hex_signature": "0x703d1d8b",
"bytes_signature": "p=\u001d"
},
{
"id": 1191785,
"created_at": "2026-02-16T09:14:46.567499Z",
"text_signature": "testReverseBits()",
"hex_signature": "0x1d0220bf",
"bytes_signature": "\u001d\u0002 ¿"
},
{
"id": 1191784,
"created_at": "2026-02-16T09:14:46.564175Z",
"text_signature": "testBoolToUint(bool)",
"hex_signature": "0xf04739d9",
"bytes_signature": "ðG9Ù"
},
{
"id": 1191783,
"created_at": "2026-02-16T09:14:46.561142Z",
"text_signature": "testPassInBool()",
"hex_signature": "0x9f71c25d",
"bytes_signature": "qÂ]"
},
{
"id": 1191782,
"created_at": "2026-02-16T09:14:46.558017Z",
"text_signature": "returnsBool(uint256)",
"hex_signature": "0x40b98a2f",
"bytes_signature": "@¹/"
},
{
"id": 1191781,
"created_at": "2026-02-16T09:14:46.554836Z",
"text_signature": "testReturnsBool()",
"hex_signature": "0x342050b3",
"bytes_signature": "4 P³"
},
{
"id": 1191780,
"created_at": "2026-02-16T09:14:46.551913Z",
"text_signature": "testAutoClean(uint256,uint256)",
"hex_signature": "0xee59e4a1",
"bytes_signature": "îYä¡"
},
{
"id": 1191779,
"created_at": "2026-02-16T09:14:46.548819Z",
"text_signature": "testOr()",
"hex_signature": "0x17a91fe8",
"bytes_signature": "\u0017©\u001fè"
},
{
"id": 1191778,
"created_at": "2026-02-16T09:14:46.545807Z",
"text_signature": "testOr(bool,bool)",
"hex_signature": "0xebcae612",
"bytes_signature": "ëÊæ\u0012"
},
{
"id": 1191777,
"created_at": "2026-02-16T09:14:46.542667Z",
"text_signature": "testAnd()",
"hex_signature": "0xa37bb514",
"bytes_signature": "£{µ\u0014"
},
{
"id": 1191776,
"created_at": "2026-02-16T09:14:46.539570Z",
"text_signature": "testAnd(bool,bool)",
"hex_signature": "0x58f9f746",
"bytes_signature": "Xù÷F"
},
{
"id": 1191775,
"created_at": "2026-02-16T09:14:46.536496Z",
"text_signature": "testIsPo2()",
"hex_signature": "0xdfd99f64",
"bytes_signature": "ßÙd"
},
{
"id": 1191774,
"created_at": "2026-02-16T09:14:46.533735Z",
"text_signature": "testIsPo2(uint256)",
"hex_signature": "0x9944bf07",
"bytes_signature": "D¿\u0007"
},
{
"id": 1191773,
"created_at": "2026-02-16T09:14:46.530807Z",
"text_signature": "testIsPo2(uint8,uint8)",
"hex_signature": "0xf3bf6bfe",
"bytes_signature": "ó¿kþ"
},
{
"id": 1191772,
"created_at": "2026-02-16T09:14:46.527539Z",
"text_signature": "testPopCount()",
"hex_signature": "0xb2cec5e8",
"bytes_signature": "²ÎÅè"
},
{
"id": 1191771,
"created_at": "2026-02-16T09:14:46.524597Z",
"text_signature": "testPopCount(uint256)",
"hex_signature": "0x963df2c5",
"bytes_signature": "=òÅ"
},
{
"id": 1191770,
"created_at": "2026-02-16T09:14:46.521507Z",
"text_signature": "testFFS()",
"hex_signature": "0x621fa967",
"bytes_signature": "b\u001f©g"
},
{
"id": 1191769,
"created_at": "2026-02-16T09:14:46.518622Z",
"text_signature": "testCLZ()",
"hex_signature": "0x708ce878",
"bytes_signature": "pèx"
},
{
"id": 1191768,
"created_at": "2026-02-16T09:14:46.516243Z",
"text_signature": "testFLS()",
"hex_signature": "0x537f639d",
"bytes_signature": "Sc"
},
{
"id": 1191767,
"created_at": "2026-02-16T09:14:46.513573Z",
"text_signature": "testHashTypedDataSansChainIdOnDynamicClone()",
"hex_signature": "0xcd153375",
"bytes_signature": "Í\u00153u"
},
{
"id": 1191766,
"created_at": "2026-02-16T09:14:46.511443Z",
"text_signature": "testHashTypedDataSansChainIdOnDynamic()",
"hex_signature": "0x22d1d59e",
"bytes_signature": "\"ÑÕ"
},
{
"id": 1191765,
"created_at": "2026-02-16T09:14:46.509414Z",
"text_signature": "testHashTypedDataSansChainIdOnClone()",
"hex_signature": "0xc52ad072",
"bytes_signature": "Å*Ðr"
},
{
"id": 1191764,
"created_at": "2026-02-16T09:14:46.507111Z",
"text_signature": "testHashTypedDataSansChainId()",
"hex_signature": "0x1fe58497",
"bytes_signature": "\u001få"
},
{
"id": 1191763,
"created_at": "2026-02-16T09:14:46.504769Z",
"text_signature": "testEIP5267()",
"hex_signature": "0x8c92ec01",
"bytes_signature": "ì\u0001"
},
{
"id": 1191762,
"created_at": "2026-02-16T09:14:46.502373Z",
"text_signature": "testDomainSeparatorOnCloneDynamicWithChainIdChange()",
"hex_signature": "0xfa423e95",
"bytes_signature": "úB>"
},
{
"id": 1191761,
"created_at": "2026-02-16T09:14:46.500262Z",
"text_signature": "testDomainSeparatorOnDynamicWithChainIdChange()",
"hex_signature": "0x92d1a36c",
"bytes_signature": "Ñ£l"
},
{
"id": 1191760,
"created_at": "2026-02-16T09:14:46.498039Z",
"text_signature": "testDomainSeparatorOnCloneWithChainIdChange()",
"hex_signature": "0x791d2f88",
"bytes_signature": "y\u001d/"
},
{
"id": 1191759,
"created_at": "2026-02-16T09:14:46.495687Z",
"text_signature": "testDomainSeparatorWithChainIdChange()",
"hex_signature": "0x67dde9be",
"bytes_signature": "gÝé¾"
},
{
"id": 1191758,
"created_at": "2026-02-16T09:14:46.493364Z",
"text_signature": "testDomainSeparatorOnClone()",
"hex_signature": "0x04e7d738",
"bytes_signature": "\u0004ç×8"
},
{
"id": 1191757,
"created_at": "2026-02-16T09:14:46.490420Z",
"text_signature": "testHashTypedDataOnCloneDynamicWithChaindIdChange()",
"hex_signature": "0x864797ba",
"bytes_signature": "Gº"
},
{
"id": 1191756,
"created_at": "2026-02-16T09:14:46.487868Z",
"text_signature": "testHashTypedDataOnDynamicWithChaindIdChange()",
"hex_signature": "0x647df9da",
"bytes_signature": "d}ùÚ"
},
{
"id": 1191755,
"created_at": "2026-02-16T09:14:46.484043Z",
"text_signature": "testHashTypedDataOnCloneWithChaindIdChange()",
"hex_signature": "0xb668689c",
"bytes_signature": "¶hh"
},
{
"id": 1191754,
"created_at": "2026-02-16T09:14:46.480262Z",
"text_signature": "testHashTypedDataWithChaindIdChange()",
"hex_signature": "0x0b1a1554",
"bytes_signature": "\u000b\u001a\u0015T"
},
{
"id": 1191753,
"created_at": "2026-02-16T09:14:46.476511Z",
"text_signature": "testHashTypedDataOnCloneDynamic()",
"hex_signature": "0x7bef0116",
"bytes_signature": "{ï\u0001\u0016"
},
{
"id": 1191752,
"created_at": "2026-02-16T09:14:46.472668Z",
"text_signature": "testHashTypedDataOnDynamic()",
"hex_signature": "0x78ba4178",
"bytes_signature": "xºAx"
},
{
"id": 1191751,
"created_at": "2026-02-16T09:14:46.468886Z",
"text_signature": "testHashTypedDataOnClone()",
"hex_signature": "0xe76b8984",
"bytes_signature": "çk"
},
{
"id": 1191750,
"created_at": "2026-02-16T09:14:46.464986Z",
"text_signature": "testHashTypedData()",
"hex_signature": "0xca6a78a8",
"bytes_signature": "Êjx¨"
},
{
"id": 1191749,
"created_at": "2026-02-16T09:14:46.459557Z",
"text_signature": "testEcrecoverLoopTrick(uint256)",
"hex_signature": "0x8f2c7794",
"bytes_signature": ",w"
},
{
"id": 1191748,
"created_at": "2026-02-16T09:14:46.455784Z",
"text_signature": "check_EcrecoverLoopTrick(uint256)",
"hex_signature": "0x0736e32d",
"bytes_signature": "\u00076ã-"
},
{
"id": 1191747,
"created_at": "2026-02-16T09:14:46.451503Z",
"text_signature": "testEcrecoverTrickEquivalance(bool,uint256,uint256)",
"hex_signature": "0x14662d44",
"bytes_signature": "\u0014f-D"
},
{
"id": 1191746,
"created_at": "2026-02-16T09:14:46.447128Z",
"text_signature": "check_EcrecoverTrickEquivalance(bool,uint256,uint256)",
"hex_signature": "0xab6e5770",
"bytes_signature": "«nWp"
},
{
"id": 1191745,
"created_at": "2026-02-16T09:14:46.443128Z",
"text_signature": "testERC6492WithoutRevertingVerifier()",
"hex_signature": "0x1e1fc5fb",
"bytes_signature": "\u001e\u001fÅû"
},
{
"id": 1191744,
"created_at": "2026-02-16T09:14:46.439178Z",
"text_signature": "testERC6492PreDeploy()",
"hex_signature": "0x8333aa23",
"bytes_signature": "3ª#"
},
{
"id": 1191743,
"created_at": "2026-02-16T09:14:46.435500Z",
"text_signature": "testERC6492PostDeploy()",
"hex_signature": "0xeb1b7c09",
"bytes_signature": "ë\u001b|\t"
},
{
"id": 1191742,
"created_at": "2026-02-16T09:14:46.432477Z",
"text_signature": "testEtchERC6492RevertingVerifier()",
"hex_signature": "0xd0de995a",
"bytes_signature": "ÐÞZ"
},
{
"id": 1191741,
"created_at": "2026-02-16T09:14:46.429447Z",
"text_signature": "_etchERC6492RevertingVerifier()",
"hex_signature": "0x960327ab",
"bytes_signature": "\u0003'«"
},
{
"id": 1191740,
"created_at": "2026-02-16T09:14:46.426379Z",
"text_signature": "_etchERC6492Verifier()",
"hex_signature": "0x31c1895e",
"bytes_signature": "1Á^"
},
{
"id": 1191739,
"created_at": "2026-02-16T09:14:46.423360Z",
"text_signature": "testERC6492AllowSideEffectsPreDeploy()",
"hex_signature": "0xa174ebee",
"bytes_signature": "¡tëî"
},
{
"id": 1191738,
"created_at": "2026-02-16T09:14:46.420268Z",
"text_signature": "testERC6492AllowSideEffectsPostDeploy()",
"hex_signature": "0x1757d9c8",
"bytes_signature": "\u0017WÙÈ"
},
{
"id": 1191737,
"created_at": "2026-02-16T09:14:46.417273Z",
"text_signature": "testERC6492AllowSideEffectsOnEOA()",
"hex_signature": "0xe859abbd",
"bytes_signature": "èY«½"
}
]
}