HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1167575,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=83",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=81",
"results": [
{
"id": 1192570,
"created_at": "2026-02-16T09:14:48.848620Z",
"text_signature": "testExponentialWad()",
"hex_signature": "0x7ded2d4f",
"bytes_signature": "}í-O"
},
{
"id": 1192569,
"created_at": "2026-02-16T09:14:48.845065Z",
"text_signature": "testStandardNormalWad()",
"hex_signature": "0xca2e8c4d",
"bytes_signature": "Ê.M"
},
{
"id": 1192568,
"created_at": "2026-02-16T09:14:48.841640Z",
"text_signature": "_stepLCG(uint256)",
"hex_signature": "0x1b3ba2e0",
"bytes_signature": "\u001b;¢à"
},
{
"id": 1192567,
"created_at": "2026-02-16T09:14:48.838443Z",
"text_signature": "testPRNGGas()",
"hex_signature": "0x38c1ec98",
"bytes_signature": "8Áì"
},
{
"id": 1192566,
"created_at": "2026-02-16T09:14:48.835393Z",
"text_signature": "testLCGGas()",
"hex_signature": "0x8946bcbf",
"bytes_signature": "F¼¿"
},
{
"id": 1192565,
"created_at": "2026-02-16T09:14:48.832163Z",
"text_signature": "testPRNGShuffleBytes()",
"hex_signature": "0xccb0b4ec",
"bytes_signature": "Ì°´ì"
},
{
"id": 1192564,
"created_at": "2026-02-16T09:14:48.829209Z",
"text_signature": "_testPRNGPartialShuffleDistribution(uint256)",
"hex_signature": "0xb980e939",
"bytes_signature": "¹é9"
},
{
"id": 1192563,
"created_at": "2026-02-16T09:14:48.825856Z",
"text_signature": "_testPRNGPartialShuffleDistribution()",
"hex_signature": "0xf791a63a",
"bytes_signature": "÷¦:"
},
{
"id": 1192562,
"created_at": "2026-02-16T09:14:48.822708Z",
"text_signature": "testPRNGPartialShuffleDistribution()",
"hex_signature": "0x55444806",
"bytes_signature": "UDH\u0006"
},
{
"id": 1192561,
"created_at": "2026-02-16T09:14:48.819549Z",
"text_signature": "_testPRNGPartialShuffle(uint256)",
"hex_signature": "0xdb176c8f",
"bytes_signature": "Û\u0017l"
},
{
"id": 1192560,
"created_at": "2026-02-16T09:14:48.816265Z",
"text_signature": "testPRNGPartialShuffle()",
"hex_signature": "0x688458f3",
"bytes_signature": "hXó"
},
{
"id": 1192559,
"created_at": "2026-02-16T09:14:48.812949Z",
"text_signature": "_testPRNGShuffleDistribution()",
"hex_signature": "0xa35875bf",
"bytes_signature": "£Xu¿"
},
{
"id": 1192558,
"created_at": "2026-02-16T09:14:48.809020Z",
"text_signature": "testPRNGShuffleDistribution()",
"hex_signature": "0x985af3b1",
"bytes_signature": "Zó±"
},
{
"id": 1192557,
"created_at": "2026-02-16T09:14:48.805584Z",
"text_signature": "testPRNGShuffle()",
"hex_signature": "0x81c34710",
"bytes_signature": "ÃG\u0010"
},
{
"id": 1192556,
"created_at": "2026-02-16T09:14:48.802157Z",
"text_signature": "testPRNGShuffleBytesGas()",
"hex_signature": "0x638d5323",
"bytes_signature": "cS#"
},
{
"id": 1192555,
"created_at": "2026-02-16T09:14:48.799142Z",
"text_signature": "testPRNGShuffleGas()",
"hex_signature": "0x583899ae",
"bytes_signature": "X8®"
},
{
"id": 1192554,
"created_at": "2026-02-16T09:14:48.796060Z",
"text_signature": "testPRNGUniform()",
"hex_signature": "0x5ced50c3",
"bytes_signature": "\\íPÃ"
},
{
"id": 1192553,
"created_at": "2026-02-16T09:14:48.792879Z",
"text_signature": "testPRNGNext()",
"hex_signature": "0xc4a359d5",
"bytes_signature": "Ä£YÕ"
},
{
"id": 1192552,
"created_at": "2026-02-16T09:14:48.788788Z",
"text_signature": "_sampleRandomUniformShortBytes()",
"hex_signature": "0xedc55c4a",
"bytes_signature": "íÅ\\J"
},
{
"id": 1192551,
"created_at": "2026-02-16T09:14:48.785768Z",
"text_signature": "testChrome()",
"hex_signature": "0xd5b3eef6",
"bytes_signature": "Õ³îö"
},
{
"id": 1192550,
"created_at": "2026-02-16T09:14:48.782649Z",
"text_signature": "testSafari()",
"hex_signature": "0x1b911d0b",
"bytes_signature": "\u001b\u001d\u000b"
},
{
"id": 1192549,
"created_at": "2026-02-16T09:14:48.776997Z",
"text_signature": "_generateString()",
"hex_signature": "0x6400b70d",
"bytes_signature": "d\u0000·\r"
},
{
"id": 1192548,
"created_at": "2026-02-16T09:14:48.773555Z",
"text_signature": "_hash(uint256,uint256)",
"hex_signature": "0x64bc8367",
"bytes_signature": "d¼g"
},
{
"id": 1192547,
"created_at": "2026-02-16T09:14:48.770141Z",
"text_signature": "testReadUint()",
"hex_signature": "0x46457a3d",
"bytes_signature": "FEz="
},
{
"id": 1192546,
"created_at": "2026-02-16T09:14:48.766756Z",
"text_signature": "testReadUint(uint256)",
"hex_signature": "0x9691a08c",
"bytes_signature": " "
},
{
"id": 1192545,
"created_at": "2026-02-16T09:14:48.763317Z",
"text_signature": "testReadStringTruncated(uint256)",
"hex_signature": "0xc10aa770",
"bytes_signature": "Á\n§p"
},
{
"id": 1192544,
"created_at": "2026-02-16T09:14:48.759952Z",
"text_signature": "testReadString(uint256)",
"hex_signature": "0xf95cd8d8",
"bytes_signature": "ù\\ØØ"
},
{
"id": 1192543,
"created_at": "2026-02-16T09:14:48.756584Z",
"text_signature": "_readDecimals()",
"hex_signature": "0xec69b181",
"bytes_signature": "ìi±"
},
{
"id": 1192542,
"created_at": "2026-02-16T09:14:48.752191Z",
"text_signature": "_readSymbol()",
"hex_signature": "0xbbce0d15",
"bytes_signature": "»Î\r\u0015"
},
{
"id": 1192541,
"created_at": "2026-02-16T09:14:48.748544Z",
"text_signature": "testReadStringChopped()",
"hex_signature": "0x9f453325",
"bytes_signature": "E3%"
},
{
"id": 1192540,
"created_at": "2026-02-16T09:14:48.745263Z",
"text_signature": "testReadBytes32StringTruncated()",
"hex_signature": "0x07e3169c",
"bytes_signature": "\u0007ã\u0016"
},
{
"id": 1192539,
"created_at": "2026-02-16T09:14:48.742084Z",
"text_signature": "testReadBytes32String()",
"hex_signature": "0x8e943b6d",
"bytes_signature": ";m"
},
{
"id": 1192538,
"created_at": "2026-02-16T09:14:48.737874Z",
"text_signature": "returnsUint()",
"hex_signature": "0x2ea8dd80",
"bytes_signature": ".¨Ý"
},
{
"id": 1192537,
"created_at": "2026-02-16T09:14:48.732727Z",
"text_signature": "returnsChoppedUint(uint256,uint256)",
"hex_signature": "0x24d0a072",
"bytes_signature": "$Ð r"
},
{
"id": 1192536,
"created_at": "2026-02-16T09:14:48.728484Z",
"text_signature": "returnsNothing()",
"hex_signature": "0x3fa1813d",
"bytes_signature": "?¡="
},
{
"id": 1192535,
"created_at": "2026-02-16T09:14:48.725351Z",
"text_signature": "returnsBytes32StringB()",
"hex_signature": "0xaa5fc008",
"bytes_signature": "ª_À\b"
},
{
"id": 1192534,
"created_at": "2026-02-16T09:14:48.722285Z",
"text_signature": "returnsBytes32StringA()",
"hex_signature": "0xdea4b2f7",
"bytes_signature": "Þ¤²÷"
},
{
"id": 1192533,
"created_at": "2026-02-16T09:14:48.719206Z",
"text_signature": "returnsChoppedString(uint256)",
"hex_signature": "0x2a35c874",
"bytes_signature": "*5Èt"
},
{
"id": 1192532,
"created_at": "2026-02-16T09:14:48.715879Z",
"text_signature": "returnsEmptyString()",
"hex_signature": "0xdf139e8c",
"bytes_signature": "ß\u0013"
},
{
"id": 1192531,
"created_at": "2026-02-16T09:14:48.710321Z",
"text_signature": "returnsString()",
"hex_signature": "0x07b92421",
"bytes_signature": "\u0007¹$!"
},
{
"id": 1192530,
"created_at": "2026-02-16T09:14:48.707847Z",
"text_signature": "_resetBitmap(uint256,uint256)",
"hex_signature": "0xc7ad039b",
"bytes_signature": "Ç\u0003"
},
{
"id": 1192529,
"created_at": "2026-02-16T09:14:48.705773Z",
"text_signature": "_boundStartAndAmount(uint256,uint256,uint256)",
"hex_signature": "0xa41315a8",
"bytes_signature": "¤\u0013\u0015¨"
},
{
"id": 1192528,
"created_at": "2026-02-16T09:14:48.703608Z",
"text_signature": "_testBitmapPopCount(uint256,uint256)",
"hex_signature": "0x6226b9ea",
"bytes_signature": "b&¹ê"
},
{
"id": 1192527,
"created_at": "2026-02-16T09:14:48.701738Z",
"text_signature": "_testBitmapUnsetBatch(uint256,uint256)",
"hex_signature": "0x58cf245e",
"bytes_signature": "XÏ$^"
},
{
"id": 1192526,
"created_at": "2026-02-16T09:14:48.699572Z",
"text_signature": "_testBitmapSetBatch(uint256,uint256)",
"hex_signature": "0xca8f7174",
"bytes_signature": "Êqt"
},
{
"id": 1192525,
"created_at": "2026-02-16T09:14:48.697427Z",
"text_signature": "testBitmapFindLastSet2()",
"hex_signature": "0x42f4cb5f",
"bytes_signature": "BôË_"
},
{
"id": 1192524,
"created_at": "2026-02-16T09:14:48.695502Z",
"text_signature": "testBitmapFindLastSet()",
"hex_signature": "0xfb100c0d",
"bytes_signature": "û\u0010\f\r"
},
{
"id": 1192523,
"created_at": "2026-02-16T09:14:48.693517Z",
"text_signature": "testBitmapFindFirstUnset()",
"hex_signature": "0xa1d2ad19",
"bytes_signature": "¡Ò\u0019"
},
{
"id": 1192522,
"created_at": "2026-02-16T09:14:48.691534Z",
"text_signature": "testBitmapPopCount()",
"hex_signature": "0x2ad73916",
"bytes_signature": "*×9\u0016"
},
{
"id": 1192521,
"created_at": "2026-02-16T09:14:48.689490Z",
"text_signature": "testBitmapPopCountAcrossMultipleBuckets()",
"hex_signature": "0x00c6efb7",
"bytes_signature": "\u0000Æï·"
},
{
"id": 1192520,
"created_at": "2026-02-16T09:14:48.687709Z",
"text_signature": "testBitmapPopCountWithinSingleBucket()",
"hex_signature": "0x665f32c6",
"bytes_signature": "f_2Æ"
},
{
"id": 1192519,
"created_at": "2026-02-16T09:14:48.685624Z",
"text_signature": "testBitmapUnsetBatch()",
"hex_signature": "0x7b930907",
"bytes_signature": "{\t\u0007"
},
{
"id": 1192518,
"created_at": "2026-02-16T09:14:48.683783Z",
"text_signature": "testBitmapUnsetBatchAcrossMultipleBuckets()",
"hex_signature": "0xf269cb9f",
"bytes_signature": "òiË"
},
{
"id": 1192517,
"created_at": "2026-02-16T09:14:48.681697Z",
"text_signature": "testBitmapUnsetBatchWithinSingleBucket()",
"hex_signature": "0xdea6a7e0",
"bytes_signature": "Þ¦§à"
},
{
"id": 1192516,
"created_at": "2026-02-16T09:14:48.679911Z",
"text_signature": "testBitmapSetBatch()",
"hex_signature": "0x95b015d3",
"bytes_signature": "°\u0015Ó"
},
{
"id": 1192515,
"created_at": "2026-02-16T09:14:48.677953Z",
"text_signature": "testBitmapSetBatchAcrossMultipleBuckets()",
"hex_signature": "0x07a7a78e",
"bytes_signature": "\u0007§§"
},
{
"id": 1192514,
"created_at": "2026-02-16T09:14:48.675886Z",
"text_signature": "testBitmapSetBatchWithinSingleBucket()",
"hex_signature": "0xa2263a1a",
"bytes_signature": "¢&:\u001a"
},
{
"id": 1192513,
"created_at": "2026-02-16T09:14:48.673882Z",
"text_signature": "testBitmapClaimWithToggle()",
"hex_signature": "0x53b42e63",
"bytes_signature": "S´.c"
},
{
"id": 1192512,
"created_at": "2026-02-16T09:14:48.671732Z",
"text_signature": "testBitmapClaimWithGetSet()",
"hex_signature": "0xc2a54166",
"bytes_signature": "Â¥Af"
},
{
"id": 1192511,
"created_at": "2026-02-16T09:14:48.669542Z",
"text_signature": "testBitmapToggle(uint256,bool)",
"hex_signature": "0xb2828f02",
"bytes_signature": "²\u0002"
},
{
"id": 1192510,
"created_at": "2026-02-16T09:14:48.667371Z",
"text_signature": "testBitmapToggle()",
"hex_signature": "0x60b9fdce",
"bytes_signature": "`¹ýÎ"
},
{
"id": 1192509,
"created_at": "2026-02-16T09:14:48.665523Z",
"text_signature": "testBitmapSetTo(uint256,uint256)",
"hex_signature": "0x50278e6d",
"bytes_signature": "P'm"
},
{
"id": 1192508,
"created_at": "2026-02-16T09:14:48.663432Z",
"text_signature": "testBitmapSetTo(uint256,bool,uint256)",
"hex_signature": "0xe707b182",
"bytes_signature": "ç\u0007±"
},
{
"id": 1192507,
"created_at": "2026-02-16T09:14:48.661556Z",
"text_signature": "testBitmapSetTo()",
"hex_signature": "0x69f3da6d",
"bytes_signature": "ióÚm"
},
{
"id": 1192506,
"created_at": "2026-02-16T09:14:48.659699Z",
"text_signature": "testBitmapUnset(uint256)",
"hex_signature": "0xfe47494e",
"bytes_signature": "þGIN"
},
{
"id": 1192505,
"created_at": "2026-02-16T09:14:48.657616Z",
"text_signature": "testBitmapUnset()",
"hex_signature": "0x98fcd940",
"bytes_signature": "üÙ@"
},
{
"id": 1192504,
"created_at": "2026-02-16T09:14:48.655585Z",
"text_signature": "testBitmapSet(uint256)",
"hex_signature": "0x71a763e9",
"bytes_signature": "q§cé"
},
{
"id": 1192503,
"created_at": "2026-02-16T09:14:48.653588Z",
"text_signature": "testBitmapSet()",
"hex_signature": "0xf58009c8",
"bytes_signature": "õ\tÈ"
},
{
"id": 1192502,
"created_at": "2026-02-16T09:14:48.651798Z",
"text_signature": "testBitmapSetAndGet(uint256)",
"hex_signature": "0x5f7362e4",
"bytes_signature": "_sbä"
},
{
"id": 1192501,
"created_at": "2026-02-16T09:14:48.649597Z",
"text_signature": "testBitmapGet(uint256)",
"hex_signature": "0xde0e8b52",
"bytes_signature": "Þ\u000eR"
},
{
"id": 1192500,
"created_at": "2026-02-16T09:14:48.647641Z",
"text_signature": "testBitmapGet()",
"hex_signature": "0x69b35174",
"bytes_signature": "i³Qt"
},
{
"id": 1192499,
"created_at": "2026-02-16T09:14:48.645023Z",
"text_signature": "claimWithToggle(uint256)",
"hex_signature": "0x4ea50206",
"bytes_signature": "N¥\u0002\u0006"
},
{
"id": 1192498,
"created_at": "2026-02-16T09:14:48.642689Z",
"text_signature": "claimWithGetSet(uint256)",
"hex_signature": "0x4bb013e6",
"bytes_signature": "K°\u0013æ"
},
{
"id": 1192497,
"created_at": "2026-02-16T09:14:48.637160Z",
"text_signature": "testCdFallbackMaskTrick(uint256,uint256)",
"hex_signature": "0x43b2fecb",
"bytes_signature": "C²þË"
},
{
"id": 1192496,
"created_at": "2026-02-16T09:14:48.634610Z",
"text_signature": "testCdDecompressOnInvalidInput()",
"hex_signature": "0x25da3d62",
"bytes_signature": "%Ú=b"
},
{
"id": 1192495,
"created_at": "2026-02-16T09:14:48.632700Z",
"text_signature": "testCdCompress()",
"hex_signature": "0x2f99db69",
"bytes_signature": "/Ûi"
},
{
"id": 1192494,
"created_at": "2026-02-16T09:14:48.630462Z",
"text_signature": "_randomCd()",
"hex_signature": "0x27c625ca",
"bytes_signature": "'Æ%Ê"
},
{
"id": 1192493,
"created_at": "2026-02-16T09:14:48.628080Z",
"text_signature": "testFlzCompressDecompress2()",
"hex_signature": "0xcf129db0",
"bytes_signature": "Ï\u0012°"
},
{
"id": 1192492,
"created_at": "2026-02-16T09:14:48.626081Z",
"text_signature": "testFlzCompressDecompress()",
"hex_signature": "0xed9b9bb9",
"bytes_signature": "í¹"
},
{
"id": 1192491,
"created_at": "2026-02-16T09:14:48.617490Z",
"text_signature": "testTransferFromInsufficientBalanceReverts(address,uint256,uint256)",
"hex_signature": "0x7c0c5369",
"bytes_signature": "|\fSi"
},
{
"id": 1192490,
"created_at": "2026-02-16T09:14:48.614802Z",
"text_signature": "testTransferFromInsufficientAllowanceReverts(address,uint256,uint256)",
"hex_signature": "0x37e816d3",
"bytes_signature": "7è\u0016Ó"
},
{
"id": 1192489,
"created_at": "2026-02-16T09:14:48.612777Z",
"text_signature": "testTransferInsufficientBalanceReverts(address,uint256,uint256)",
"hex_signature": "0xe70629ce",
"bytes_signature": "ç\u0006)Î"
},
{
"id": 1192488,
"created_at": "2026-02-16T09:14:48.610409Z",
"text_signature": "testBurnInsufficientBalanceReverts(address,uint256,uint256)",
"hex_signature": "0xbe4733bc",
"bytes_signature": "¾G3¼"
},
{
"id": 1192487,
"created_at": "2026-02-16T09:14:48.608008Z",
"text_signature": "testTransferFrom(address,address,address,uint256,uint256)",
"hex_signature": "0x48186a7f",
"bytes_signature": "H\u0018j"
},
{
"id": 1192486,
"created_at": "2026-02-16T09:14:48.603023Z",
"text_signature": "testTransferFromInsufficientAllowanceReverts()",
"hex_signature": "0xf63809d9",
"bytes_signature": "ö8\tÙ"
},
{
"id": 1192485,
"created_at": "2026-02-16T09:14:48.594416Z",
"text_signature": "check_IsPermit2AndValueIsNotInfinityTrickEquivalence(address,uint256)",
"hex_signature": "0xe90ea610",
"bytes_signature": "é\u000e¦\u0010"
},
{
"id": 1192484,
"created_at": "2026-02-16T09:14:48.591736Z",
"text_signature": "check_IsNotUint256MaxTrickEquivalence(uint256)",
"hex_signature": "0x0165c281",
"bytes_signature": "\u0001eÂ"
},
{
"id": 1192483,
"created_at": "2026-02-16T09:14:48.589261Z",
"text_signature": "testTransferFrom(address,uint256)",
"hex_signature": "0x2e4ebd19",
"bytes_signature": ".N½\u0019"
},
{
"id": 1192482,
"created_at": "2026-02-16T09:14:48.587086Z",
"text_signature": "testPermitToPermit2(address,uint256)",
"hex_signature": "0xafcb5b11",
"bytes_signature": "¯Ë[\u0011"
},
{
"id": 1192481,
"created_at": "2026-02-16T09:14:48.584889Z",
"text_signature": "testApproveToPermit2(address,uint256)",
"hex_signature": "0x690b0909",
"bytes_signature": "i\u000b\t\t"
},
{
"id": 1192480,
"created_at": "2026-02-16T09:14:48.581808Z",
"text_signature": "testBase64DecodeSentenceGas()",
"hex_signature": "0x3c254232",
"bytes_signature": "<%B2"
},
{
"id": 1192479,
"created_at": "2026-02-16T09:14:48.579642Z",
"text_signature": "testBase64DecodeShortStringGas()",
"hex_signature": "0xcad71c04",
"bytes_signature": "Ê×\u001c\u0004"
},
{
"id": 1192478,
"created_at": "2026-02-16T09:14:48.577275Z",
"text_signature": "testBase64WordBoundary()",
"hex_signature": "0x975a7346",
"bytes_signature": "ZsF"
},
{
"id": 1192477,
"created_at": "2026-02-16T09:14:48.575027Z",
"text_signature": "testBase64EncodeSentence()",
"hex_signature": "0x88cb4a21",
"bytes_signature": "ËJ!"
},
{
"id": 1192476,
"created_at": "2026-02-16T09:14:48.572792Z",
"text_signature": "testBase64EncodeToStringWithNoPadding()",
"hex_signature": "0xab3213e1",
"bytes_signature": "«2\u0013á"
},
{
"id": 1192475,
"created_at": "2026-02-16T09:14:48.570506Z",
"text_signature": "testBase64EncodeToStringWithSinglePadding()",
"hex_signature": "0x43830147",
"bytes_signature": "C\u0001G"
},
{
"id": 1192474,
"created_at": "2026-02-16T09:14:48.568121Z",
"text_signature": "testBase64EncodeToStringWithDoublePadding()",
"hex_signature": "0x8d6814d2",
"bytes_signature": "h\u0014Ò"
},
{
"id": 1192473,
"created_at": "2026-02-16T09:14:48.566115Z",
"text_signature": "testBase64EncodeShortStrings()",
"hex_signature": "0x98365199",
"bytes_signature": "6Q"
},
{
"id": 1192472,
"created_at": "2026-02-16T09:14:48.564096Z",
"text_signature": "testBase64EncodeEmptyString()",
"hex_signature": "0x67eac136",
"bytes_signature": "gêÁ6"
},
{
"id": 1192471,
"created_at": "2026-02-16T09:14:48.561528Z",
"text_signature": "_epochDayToDateOriginal2(uint256)",
"hex_signature": "0xb7bf0ec4",
"bytes_signature": "·¿\u000eÄ"
}
]
}