HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1169224,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=99",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=97",
"results": [
{
"id": 1192619,
"created_at": "2026-02-16T09:14:49.005704Z",
"text_signature": "toInt88(uint256)",
"hex_signature": "0xbc1db715",
"bytes_signature": "¼\u001d·\u0015"
},
{
"id": 1192618,
"created_at": "2026-02-16T09:14:49.003415Z",
"text_signature": "toInt80(uint256)",
"hex_signature": "0x31609a9c",
"bytes_signature": "1`"
},
{
"id": 1192617,
"created_at": "2026-02-16T09:14:49.000964Z",
"text_signature": "toInt72(uint256)",
"hex_signature": "0xd0fb16f3",
"bytes_signature": "Ðû\u0016ó"
},
{
"id": 1192616,
"created_at": "2026-02-16T09:14:48.998654Z",
"text_signature": "toInt64(uint256)",
"hex_signature": "0x15b3dc1c",
"bytes_signature": "\u0015³Ü\u001c"
},
{
"id": 1192615,
"created_at": "2026-02-16T09:14:48.996487Z",
"text_signature": "toInt56(uint256)",
"hex_signature": "0xeb1df8c7",
"bytes_signature": "ë\u001døÇ"
},
{
"id": 1192614,
"created_at": "2026-02-16T09:14:48.994360Z",
"text_signature": "toInt48(uint256)",
"hex_signature": "0x6002c2f6",
"bytes_signature": "`\u0002Âö"
},
{
"id": 1192613,
"created_at": "2026-02-16T09:14:48.992140Z",
"text_signature": "toInt40(uint256)",
"hex_signature": "0xc998fcbd",
"bytes_signature": "Éü½"
},
{
"id": 1192612,
"created_at": "2026-02-16T09:14:48.989795Z",
"text_signature": "toInt32(uint256)",
"hex_signature": "0xe02c0983",
"bytes_signature": "à,\t"
},
{
"id": 1192611,
"created_at": "2026-02-16T09:14:48.987068Z",
"text_signature": "toInt24(uint256)",
"hex_signature": "0x6e617935",
"bytes_signature": "nay5"
},
{
"id": 1192610,
"created_at": "2026-02-16T09:14:48.984666Z",
"text_signature": "toInt16(uint256)",
"hex_signature": "0x211bc99f",
"bytes_signature": "!\u001bÉ"
},
{
"id": 1192609,
"created_at": "2026-02-16T09:14:48.982120Z",
"text_signature": "toInt8(uint256)",
"hex_signature": "0x20f64700",
"bytes_signature": " öG\u0000"
},
{
"id": 1192608,
"created_at": "2026-02-16T09:14:48.943305Z",
"text_signature": "_checkpointUpperLookupRecent(uint256,uint256)",
"hex_signature": "0xe0b45eb6",
"bytes_signature": "à´^¶"
},
{
"id": 1192607,
"created_at": "2026-02-16T09:14:48.941069Z",
"text_signature": "_checkpointLatest(uint256)",
"hex_signature": "0xa59f0933",
"bytes_signature": "¥\t3"
},
{
"id": 1192606,
"created_at": "2026-02-16T09:14:48.938965Z",
"text_signature": "_checkpointPushDiff(uint256,uint256,uint256,bool)",
"hex_signature": "0x74bccb6c",
"bytes_signature": "t¼Ël"
},
{
"id": 1192605,
"created_at": "2026-02-16T09:14:48.936636Z",
"text_signature": "checkpointPushDiff(uint256,uint256,uint256,bool)",
"hex_signature": "0xf14e4631",
"bytes_signature": "ñNF1"
},
{
"id": 1192604,
"created_at": "2026-02-16T09:14:48.934325Z",
"text_signature": "_checkpointAt(uint256,uint256)",
"hex_signature": "0xbaae398d",
"bytes_signature": "º®9"
},
{
"id": 1192603,
"created_at": "2026-02-16T09:14:48.932096Z",
"text_signature": "_checkpointLatestKey(uint256)",
"hex_signature": "0x9adabfdb",
"bytes_signature": "Ú¿Û"
},
{
"id": 1192602,
"created_at": "2026-02-16T09:14:48.929916Z",
"text_signature": "_checkpointLatestOriginal()",
"hex_signature": "0x9db5aff9",
"bytes_signature": "µ¯ù"
},
{
"id": 1192601,
"created_at": "2026-02-16T09:14:48.927725Z",
"text_signature": "_checkpointLatestKeyOriginal()",
"hex_signature": "0x576310b7",
"bytes_signature": "Wc\u0010·"
},
{
"id": 1192600,
"created_at": "2026-02-16T09:14:48.925666Z",
"text_signature": "_checkpointPushDiffOriginal(uint256,uint256,bool)",
"hex_signature": "0x50976476",
"bytes_signature": "Pdv"
},
{
"id": 1192599,
"created_at": "2026-02-16T09:14:48.923305Z",
"text_signature": "_checkpointUpperLookupRecentOriginal(uint256)",
"hex_signature": "0x82c66047",
"bytes_signature": "Æ`G"
},
{
"id": 1192598,
"created_at": "2026-02-16T09:14:48.921056Z",
"text_signature": "_checkCheckpointUpperLookupRecent(uint256)",
"hex_signature": "0xab1822de",
"bytes_signature": "«\u0018\"Þ"
},
{
"id": 1192597,
"created_at": "2026-02-16T09:14:48.918966Z",
"text_signature": "_checkCheckpoints(uint256)",
"hex_signature": "0xc30976b3",
"bytes_signature": "Ã\tv³"
},
{
"id": 1192596,
"created_at": "2026-02-16T09:14:48.916798Z",
"text_signature": "testCheckpointDifferential(uint256,uint256)",
"hex_signature": "0xf5f4c48f",
"bytes_signature": "õôÄ"
},
{
"id": 1192595,
"created_at": "2026-02-16T09:14:48.914800Z",
"text_signature": "testCheckpointPush(uint256)",
"hex_signature": "0xb02aa9f1",
"bytes_signature": "°*©ñ"
},
{
"id": 1192594,
"created_at": "2026-02-16T09:14:48.912767Z",
"text_signature": "_smallSqrtApprox(uint256)",
"hex_signature": "0xeac4e780",
"bytes_signature": "êÄç"
},
{
"id": 1192593,
"created_at": "2026-02-16T09:14:48.910647Z",
"text_signature": "testSmallSqrtApprox(uint32)",
"hex_signature": "0x9049a8e6",
"bytes_signature": "I¨æ"
},
{
"id": 1192592,
"created_at": "2026-02-16T09:14:48.908385Z",
"text_signature": "testClockTrick(uint48)",
"hex_signature": "0x963be363",
"bytes_signature": ";ãc"
},
{
"id": 1192591,
"created_at": "2026-02-16T09:14:48.905912Z",
"text_signature": "_advanceBlockNumber()",
"hex_signature": "0x67093588",
"bytes_signature": "g\t5"
},
{
"id": 1192590,
"created_at": "2026-02-16T09:14:48.903401Z",
"text_signature": "_checkCheckpointAt(address,uint256,uint256,uint256)",
"hex_signature": "0x0d3fc7f8",
"bytes_signature": "\r?Çø"
},
{
"id": 1192589,
"created_at": "2026-02-16T09:14:48.901478Z",
"text_signature": "testMintTransferBurnDelegate()",
"hex_signature": "0x3398f076",
"bytes_signature": "3ðv"
},
{
"id": 1192588,
"created_at": "2026-02-16T09:14:48.899104Z",
"text_signature": "testSetAndGetDelegate(address,address)",
"hex_signature": "0x3de2612a",
"bytes_signature": "=âa*"
},
{
"id": 1192587,
"created_at": "2026-02-16T09:14:48.895772Z",
"text_signature": "lazyShuffler1Get(uint256)",
"hex_signature": "0x67a22035",
"bytes_signature": "g¢ 5"
},
{
"id": 1192586,
"created_at": "2026-02-16T09:14:48.893598Z",
"text_signature": "lazyShuffler0Get(uint256)",
"hex_signature": "0x337ff152",
"bytes_signature": "3ñR"
},
{
"id": 1192585,
"created_at": "2026-02-16T09:14:48.891423Z",
"text_signature": "lazyShufflerNext(uint256)",
"hex_signature": "0x2439cc84",
"bytes_signature": "$9Ì"
},
{
"id": 1192584,
"created_at": "2026-02-16T09:14:48.889366Z",
"text_signature": "lazyShufflerGrow(uint256)",
"hex_signature": "0x1e071ecb",
"bytes_signature": "\u001e\u0007\u001eË"
},
{
"id": 1192583,
"created_at": "2026-02-16T09:14:48.887092Z",
"text_signature": "lazyShufflerInitialize(uint256)",
"hex_signature": "0x75c3e6ad",
"bytes_signature": "uÃæ"
},
{
"id": 1192582,
"created_at": "2026-02-16T09:14:48.884872Z",
"text_signature": "testLazyShufflerRevertsOnFinshedNext(uint256)",
"hex_signature": "0x3b2506b2",
"bytes_signature": ";%\u0006²"
},
{
"id": 1192581,
"created_at": "2026-02-16T09:14:48.882391Z",
"text_signature": "testLazyShufflerRevertsOnZeroLengthNext()",
"hex_signature": "0xa1ed6ec1",
"bytes_signature": "¡ínÁ"
},
{
"id": 1192580,
"created_at": "2026-02-16T09:14:48.880112Z",
"text_signature": "testLazyShufflerRevertsOnDoubleInit()",
"hex_signature": "0xedec6a10",
"bytes_signature": "íìj\u0010"
},
{
"id": 1192579,
"created_at": "2026-02-16T09:14:48.877799Z",
"text_signature": "testLazyShufflerRevertsOnGrowWithInvalidLength(uint256,uint256)",
"hex_signature": "0x5c9f8c8a",
"bytes_signature": "\\"
},
{
"id": 1192578,
"created_at": "2026-02-16T09:14:48.874282Z",
"text_signature": "testLazyShufflerRevertsOnInitWithInvalidLength(uint256)",
"hex_signature": "0xfe2cfa66",
"bytes_signature": "þ,úf"
},
{
"id": 1192577,
"created_at": "2026-02-16T09:14:48.870984Z",
"text_signature": "testLazyShufflerRestart()",
"hex_signature": "0x88195371",
"bytes_signature": "\u0019Sq"
},
{
"id": 1192576,
"created_at": "2026-02-16T09:14:48.868091Z",
"text_signature": "testLazyShufflerGetOutOfBoundsReverts(uint256,uint256)",
"hex_signature": "0xa515039b",
"bytes_signature": "¥\u0015\u0003"
},
{
"id": 1192575,
"created_at": "2026-02-16T09:14:48.864544Z",
"text_signature": "testLazyShufflerGet()",
"hex_signature": "0xe646954c",
"bytes_signature": "æFL"
},
{
"id": 1192574,
"created_at": "2026-02-16T09:14:48.861490Z",
"text_signature": "testLazyShufflerNoStorageCollisions()",
"hex_signature": "0x1b599305",
"bytes_signature": "\u001bY\u0005"
},
{
"id": 1192573,
"created_at": "2026-02-16T09:14:48.858387Z",
"text_signature": "testLazyShufflerProducesShuffledRangeWithGrow(uint256,uint256)",
"hex_signature": "0xd132dc0f",
"bytes_signature": "Ñ2Ü\u000f"
},
{
"id": 1192572,
"created_at": "2026-02-16T09:14:48.855048Z",
"text_signature": "testLazyShufflerProducesShuffledRange2()",
"hex_signature": "0xb14d6ae0",
"bytes_signature": "±Mjà"
},
{
"id": 1192571,
"created_at": "2026-02-16T09:14:48.851835Z",
"text_signature": "testLazyShufflerProducesShuffledRange(uint256)",
"hex_signature": "0x588c6a31",
"bytes_signature": "Xj1"
},
{
"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"
}
]
}