HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
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"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11597",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11595",
"results": [
{
"id": 1192596,
"created_at": "2026-02-16T09:14:48.916798Z",
"text_signature": "testCheckpointDifferential(uint256,uint256)",
"hex_signature": "0xf5f4c48f",
"bytes_signature": "õôÄ"
},
{
"id": 1192597,
"created_at": "2026-02-16T09:14:48.918966Z",
"text_signature": "_checkCheckpoints(uint256)",
"hex_signature": "0xc30976b3",
"bytes_signature": "Ã\tv³"
},
{
"id": 1192598,
"created_at": "2026-02-16T09:14:48.921056Z",
"text_signature": "_checkCheckpointUpperLookupRecent(uint256)",
"hex_signature": "0xab1822de",
"bytes_signature": "«\u0018\"Þ"
},
{
"id": 1192599,
"created_at": "2026-02-16T09:14:48.923305Z",
"text_signature": "_checkpointUpperLookupRecentOriginal(uint256)",
"hex_signature": "0x82c66047",
"bytes_signature": "Æ`G"
},
{
"id": 1192600,
"created_at": "2026-02-16T09:14:48.925666Z",
"text_signature": "_checkpointPushDiffOriginal(uint256,uint256,bool)",
"hex_signature": "0x50976476",
"bytes_signature": "Pdv"
},
{
"id": 1192601,
"created_at": "2026-02-16T09:14:48.927725Z",
"text_signature": "_checkpointLatestKeyOriginal()",
"hex_signature": "0x576310b7",
"bytes_signature": "Wc\u0010·"
},
{
"id": 1192602,
"created_at": "2026-02-16T09:14:48.929916Z",
"text_signature": "_checkpointLatestOriginal()",
"hex_signature": "0x9db5aff9",
"bytes_signature": "µ¯ù"
},
{
"id": 1192603,
"created_at": "2026-02-16T09:14:48.932096Z",
"text_signature": "_checkpointLatestKey(uint256)",
"hex_signature": "0x9adabfdb",
"bytes_signature": "Ú¿Û"
},
{
"id": 1192604,
"created_at": "2026-02-16T09:14:48.934325Z",
"text_signature": "_checkpointAt(uint256,uint256)",
"hex_signature": "0xbaae398d",
"bytes_signature": "º®9"
},
{
"id": 1192605,
"created_at": "2026-02-16T09:14:48.936636Z",
"text_signature": "checkpointPushDiff(uint256,uint256,uint256,bool)",
"hex_signature": "0xf14e4631",
"bytes_signature": "ñNF1"
},
{
"id": 1192606,
"created_at": "2026-02-16T09:14:48.938965Z",
"text_signature": "_checkpointPushDiff(uint256,uint256,uint256,bool)",
"hex_signature": "0x74bccb6c",
"bytes_signature": "t¼Ël"
},
{
"id": 1192607,
"created_at": "2026-02-16T09:14:48.941069Z",
"text_signature": "_checkpointLatest(uint256)",
"hex_signature": "0xa59f0933",
"bytes_signature": "¥\t3"
},
{
"id": 1192608,
"created_at": "2026-02-16T09:14:48.943305Z",
"text_signature": "_checkpointUpperLookupRecent(uint256,uint256)",
"hex_signature": "0xe0b45eb6",
"bytes_signature": "à´^¶"
},
{
"id": 1192609,
"created_at": "2026-02-16T09:14:48.982120Z",
"text_signature": "toInt8(uint256)",
"hex_signature": "0x20f64700",
"bytes_signature": " öG\u0000"
},
{
"id": 1192610,
"created_at": "2026-02-16T09:14:48.984666Z",
"text_signature": "toInt16(uint256)",
"hex_signature": "0x211bc99f",
"bytes_signature": "!\u001bÉ"
},
{
"id": 1192611,
"created_at": "2026-02-16T09:14:48.987068Z",
"text_signature": "toInt24(uint256)",
"hex_signature": "0x6e617935",
"bytes_signature": "nay5"
},
{
"id": 1192612,
"created_at": "2026-02-16T09:14:48.989795Z",
"text_signature": "toInt32(uint256)",
"hex_signature": "0xe02c0983",
"bytes_signature": "à,\t"
},
{
"id": 1192613,
"created_at": "2026-02-16T09:14:48.992140Z",
"text_signature": "toInt40(uint256)",
"hex_signature": "0xc998fcbd",
"bytes_signature": "Éü½"
},
{
"id": 1192614,
"created_at": "2026-02-16T09:14:48.994360Z",
"text_signature": "toInt48(uint256)",
"hex_signature": "0x6002c2f6",
"bytes_signature": "`\u0002Âö"
},
{
"id": 1192615,
"created_at": "2026-02-16T09:14:48.996487Z",
"text_signature": "toInt56(uint256)",
"hex_signature": "0xeb1df8c7",
"bytes_signature": "ë\u001døÇ"
},
{
"id": 1192616,
"created_at": "2026-02-16T09:14:48.998654Z",
"text_signature": "toInt64(uint256)",
"hex_signature": "0x15b3dc1c",
"bytes_signature": "\u0015³Ü\u001c"
},
{
"id": 1192617,
"created_at": "2026-02-16T09:14:49.000964Z",
"text_signature": "toInt72(uint256)",
"hex_signature": "0xd0fb16f3",
"bytes_signature": "Ðû\u0016ó"
},
{
"id": 1192618,
"created_at": "2026-02-16T09:14:49.003415Z",
"text_signature": "toInt80(uint256)",
"hex_signature": "0x31609a9c",
"bytes_signature": "1`"
},
{
"id": 1192619,
"created_at": "2026-02-16T09:14:49.005704Z",
"text_signature": "toInt88(uint256)",
"hex_signature": "0xbc1db715",
"bytes_signature": "¼\u001d·\u0015"
},
{
"id": 1192620,
"created_at": "2026-02-16T09:14:49.007838Z",
"text_signature": "toInt96(uint256)",
"hex_signature": "0x7d607fcf",
"bytes_signature": "}`Ï"
},
{
"id": 1192621,
"created_at": "2026-02-16T09:14:49.010103Z",
"text_signature": "toInt104(uint256)",
"hex_signature": "0x5aa3fc8e",
"bytes_signature": "Z£ü"
},
{
"id": 1192622,
"created_at": "2026-02-16T09:14:49.012117Z",
"text_signature": "toInt112(uint256)",
"hex_signature": "0xb9c812e0",
"bytes_signature": "¹È\u0012à"
},
{
"id": 1192623,
"created_at": "2026-02-16T09:14:49.014196Z",
"text_signature": "toInt120(uint256)",
"hex_signature": "0xa2d7d122",
"bytes_signature": "¢×Ñ\""
},
{
"id": 1192624,
"created_at": "2026-02-16T09:14:49.016748Z",
"text_signature": "toInt136(uint256)",
"hex_signature": "0xbdeff06b",
"bytes_signature": "½ïðk"
},
{
"id": 1192625,
"created_at": "2026-02-16T09:14:49.019134Z",
"text_signature": "toInt144(uint256)",
"hex_signature": "0x572af2f0",
"bytes_signature": "W*òð"
},
{
"id": 1192626,
"created_at": "2026-02-16T09:14:49.021179Z",
"text_signature": "toInt152(uint256)",
"hex_signature": "0x5bdd9969",
"bytes_signature": "[Ýi"
},
{
"id": 1192627,
"created_at": "2026-02-16T09:14:49.023574Z",
"text_signature": "toInt160(uint256)",
"hex_signature": "0x303b3d13",
"bytes_signature": "0;=\u0013"
},
{
"id": 1192628,
"created_at": "2026-02-16T09:14:49.026484Z",
"text_signature": "toInt168(uint256)",
"hex_signature": "0xf760d5f6",
"bytes_signature": "÷`Õö"
},
{
"id": 1192629,
"created_at": "2026-02-16T09:14:49.028741Z",
"text_signature": "toInt176(uint256)",
"hex_signature": "0x24290279",
"bytes_signature": "$)\u0002y"
},
{
"id": 1192630,
"created_at": "2026-02-16T09:14:49.031228Z",
"text_signature": "toInt184(uint256)",
"hex_signature": "0xb31135cf",
"bytes_signature": "³\u00115Ï"
},
{
"id": 1192631,
"created_at": "2026-02-16T09:14:49.034033Z",
"text_signature": "toInt192(uint256)",
"hex_signature": "0x18034c65",
"bytes_signature": "\u0018\u0003Le"
},
{
"id": 1192632,
"created_at": "2026-02-16T09:14:49.036240Z",
"text_signature": "toInt200(uint256)",
"hex_signature": "0x182fb3e7",
"bytes_signature": "\u0018/³ç"
},
{
"id": 1192633,
"created_at": "2026-02-16T09:14:49.038146Z",
"text_signature": "toInt208(uint256)",
"hex_signature": "0x1f01b061",
"bytes_signature": "\u001f\u0001°a"
},
{
"id": 1192634,
"created_at": "2026-02-16T09:14:49.040044Z",
"text_signature": "toInt216(uint256)",
"hex_signature": "0xe703fb5c",
"bytes_signature": "ç\u0003û\\"
},
{
"id": 1192635,
"created_at": "2026-02-16T09:14:49.042192Z",
"text_signature": "toInt224(uint256)",
"hex_signature": "0x622b573b",
"bytes_signature": "b+W;"
},
{
"id": 1192636,
"created_at": "2026-02-16T09:14:49.044388Z",
"text_signature": "toInt232(uint256)",
"hex_signature": "0x6b734252",
"bytes_signature": "ksBR"
},
{
"id": 1192637,
"created_at": "2026-02-16T09:14:49.046452Z",
"text_signature": "toInt240(uint256)",
"hex_signature": "0x4644fa34",
"bytes_signature": "FDú4"
},
{
"id": 1192638,
"created_at": "2026-02-16T09:14:49.048486Z",
"text_signature": "toInt248(uint256)",
"hex_signature": "0xda268506",
"bytes_signature": "Ú&
\u0006"
},
{
"id": 1192639,
"created_at": "2026-02-16T09:14:49.050690Z",
"text_signature": "testSafeCastUintToUint(uint256,uint256)",
"hex_signature": "0xb933dcbe",
"bytes_signature": "¹3ܾ"
},
{
"id": 1192640,
"created_at": "2026-02-16T09:14:49.052697Z",
"text_signature": "testSafeCastUint256ToUintBench()",
"hex_signature": "0x30427661",
"bytes_signature": "0Bva"
},
{
"id": 1192641,
"created_at": "2026-02-16T09:14:49.054717Z",
"text_signature": "check_SafeCastInt256ToIntTrickEquivalence(int256)",
"hex_signature": "0x910dca8e",
"bytes_signature": "\rÊ"
},
{
"id": 1192642,
"created_at": "2026-02-16T09:14:49.056758Z",
"text_signature": "testSafeCastInt256ToIntTrickEquivalence(int256)",
"hex_signature": "0x6536927b",
"bytes_signature": "e6{"
},
{
"id": 1192643,
"created_at": "2026-02-16T09:14:49.058608Z",
"text_signature": "testSafeCastInt256ToInt(int256,uint256)",
"hex_signature": "0x100f4f35",
"bytes_signature": "\u0010\u000fO5"
},
{
"id": 1192644,
"created_at": "2026-02-16T09:14:49.060689Z",
"text_signature": "testSafeCastUint256ToIntBench()",
"hex_signature": "0x1085f0a4",
"bytes_signature": "\u0010
ð¤"
},
{
"id": 1192645,
"created_at": "2026-02-16T09:14:49.062803Z",
"text_signature": "testSafeCastUint256ToInt(uint256,uint256)",
"hex_signature": "0x4e449831",
"bytes_signature": "ND1"
},
{
"id": 1192646,
"created_at": "2026-02-16T09:14:49.064799Z",
"text_signature": "testSafeCastUint256ToInt256Bench()",
"hex_signature": "0x6bd6cc01",
"bytes_signature": "kÖÌ\u0001"
},
{
"id": 1192647,
"created_at": "2026-02-16T09:14:49.067270Z",
"text_signature": "testSafeCastToInt256(uint256)",
"hex_signature": "0x80e757ca",
"bytes_signature": "çWÊ"
},
{
"id": 1192648,
"created_at": "2026-02-16T09:14:49.069756Z",
"text_signature": "testSafeCastToUint256(int256)",
"hex_signature": "0x215f791a",
"bytes_signature": "!_y\u001a"
},
{
"id": 1192649,
"created_at": "2026-02-16T09:14:49.072063Z",
"text_signature": "testSafeCastInt256ToIntBench()",
"hex_signature": "0xfa78f024",
"bytes_signature": "úxð$"
},
{
"id": 1192650,
"created_at": "2026-02-16T09:14:49.074582Z",
"text_signature": "_etchPassthroughBytecode(address,bool)",
"hex_signature": "0x5460d1f4",
"bytes_signature": "T`Ñô"
},
{
"id": 1192651,
"created_at": "2026-02-16T09:14:49.077010Z",
"text_signature": "_etchVerifierBytecode(address,bool)",
"hex_signature": "0x1400ad75",
"bytes_signature": "\u0014\u0000u"
},
{
"id": 1192652,
"created_at": "2026-02-16T09:14:49.079159Z",
"text_signature": "_etchRIPPrecompilePassthrough(bool)",
"hex_signature": "0xdd1e897e",
"bytes_signature": "Ý\u001e~"
},
{
"id": 1192653,
"created_at": "2026-02-16T09:14:49.081334Z",
"text_signature": "_etchVerifierPassthrough(bool)",
"hex_signature": "0x616af990",
"bytes_signature": "ajù"
},
{
"id": 1192654,
"created_at": "2026-02-16T09:14:49.083530Z",
"text_signature": "_etchRIPPrecompile(bool)",
"hex_signature": "0xf184a546",
"bytes_signature": "ñ¥F"
},
{
"id": 1192655,
"created_at": "2026-02-16T09:14:49.085672Z",
"text_signature": "_etchVerifier(bool)",
"hex_signature": "0x8ef4c4ab",
"bytes_signature": "ôÄ«"
},
{
"id": 1192656,
"created_at": "2026-02-16T09:14:49.088254Z",
"text_signature": "testP256VerifyMalleableRIPPrecompile()",
"hex_signature": "0x0ddc10ae",
"bytes_signature": "\rÜ\u0010®"
},
{
"id": 1192657,
"created_at": "2026-02-16T09:14:49.090415Z",
"text_signature": "testP256VerifyMalleableVerifier()",
"hex_signature": "0xf9840c3d",
"bytes_signature": "ù\f="
},
{
"id": 1192658,
"created_at": "2026-02-16T09:14:49.092454Z",
"text_signature": "_verifySignatureAllowMalleability(bytes32,uint256,uint256,uint256,uint256)",
"hex_signature": "0x4f796dd9",
"bytes_signature": "OymÙ"
},
{
"id": 1192659,
"created_at": "2026-02-16T09:14:49.094845Z",
"text_signature": "_verifySignature(bytes32,uint256,uint256,uint256,uint256)",
"hex_signature": "0xad91830d",
"bytes_signature": "\r"
},
{
"id": 1192660,
"created_at": "2026-02-16T09:14:49.096939Z",
"text_signature": "_testP256VerifyMalleable()",
"hex_signature": "0x654ba772",
"bytes_signature": "eK§r"
},
{
"id": 1192661,
"created_at": "2026-02-16T09:14:49.098930Z",
"text_signature": "testP256VerifyNonMalleableRIPPrecompile()",
"hex_signature": "0x1b4e2fb1",
"bytes_signature": "\u001bN/±"
},
{
"id": 1192662,
"created_at": "2026-02-16T09:14:49.101053Z",
"text_signature": "testP256VerifyNonMalleableVerifier()",
"hex_signature": "0x142faa53",
"bytes_signature": "\u0014/ªS"
},
{
"id": 1192663,
"created_at": "2026-02-16T09:14:49.103530Z",
"text_signature": "testP256VerifyNotDeployedReverts(bytes32,bytes32,bytes32,bytes32,bytes32,bool)",
"hex_signature": "0x7a5040ad",
"bytes_signature": "zP@"
},
{
"id": 1192664,
"created_at": "2026-02-16T09:14:49.105443Z",
"text_signature": "verifySignature(bytes32,bytes32,bytes32,bytes32,bytes32)",
"hex_signature": "0xf61262e1",
"bytes_signature": "ö\u0012bá"
},
{
"id": 1192665,
"created_at": "2026-02-16T09:14:49.107613Z",
"text_signature": "verifySignatureAllowMalleability(bytes32,bytes32,bytes32,bytes32,bytes32)",
"hex_signature": "0xb6458f40",
"bytes_signature": "¶E@"
},
{
"id": 1192666,
"created_at": "2026-02-16T09:14:49.109787Z",
"text_signature": "_testP256VerifyNonMalleable()",
"hex_signature": "0x7654714e",
"bytes_signature": "vTqN"
},
{
"id": 1192667,
"created_at": "2026-02-16T09:14:49.111955Z",
"text_signature": "testP256Verify(uint256,bytes32)",
"hex_signature": "0x00d2942a",
"bytes_signature": "\u0000Ò*"
},
{
"id": 1192668,
"created_at": "2026-02-16T09:14:49.113804Z",
"text_signature": "testP256VerifyWycheproof()",
"hex_signature": "0x77d476ac",
"bytes_signature": "wÔv¬"
},
{
"id": 1192669,
"created_at": "2026-02-16T09:14:49.117192Z",
"text_signature": "testTryDecodePoint(bytes32,bytes32)",
"hex_signature": "0x4350bc3d",
"bytes_signature": "CP¼="
},
{
"id": 1192670,
"created_at": "2026-02-16T09:14:49.119010Z",
"text_signature": "check_P256Normalized(uint256)",
"hex_signature": "0x1d34f473",
"bytes_signature": "\u001d4ôs"
},
{
"id": 1192671,
"created_at": "2026-02-16T09:14:49.121215Z",
"text_signature": "testP256Normalized(uint256,bytes32)",
"hex_signature": "0xd737d15e",
"bytes_signature": "×7Ñ^"
},
{
"id": 1192672,
"created_at": "2026-02-16T09:14:49.123665Z",
"text_signature": "getPublicKey(uint256)",
"hex_signature": "0x75d2c1ce",
"bytes_signature": "uÒÁÎ"
},
{
"id": 1192673,
"created_at": "2026-02-16T09:14:49.125888Z",
"text_signature": "_jMult(uint256,uint256,uint256,uint256)",
"hex_signature": "0x9d8b991c",
"bytes_signature": "\u001c"
},
{
"id": 1192674,
"created_at": "2026-02-16T09:14:49.129284Z",
"text_signature": "_jAdd(uint256,uint256,uint256,uint256,uint256,uint256)",
"hex_signature": "0x2851dd64",
"bytes_signature": "(QÝd"
},
{
"id": 1192675,
"created_at": "2026-02-16T09:14:49.135558Z",
"text_signature": "testDeployERC1967()",
"hex_signature": "0x8a7d58c7",
"bytes_signature": "}XÇ"
},
{
"id": 1192676,
"created_at": "2026-02-16T09:14:49.137565Z",
"text_signature": "testDeployERC1967WithImmutableArgs()",
"hex_signature": "0xfd9b0ce2",
"bytes_signature": "ý\fâ"
},
{
"id": 1192677,
"created_at": "2026-02-16T09:14:49.139707Z",
"text_signature": "testDeployERC1967IWithImmutableArgs()",
"hex_signature": "0xaf3aa7ee",
"bytes_signature": "¯:§î"
},
{
"id": 1192678,
"created_at": "2026-02-16T09:14:49.141766Z",
"text_signature": "testDeployERC1967I()",
"hex_signature": "0x3bb9a395",
"bytes_signature": ";¹£"
},
{
"id": 1192679,
"created_at": "2026-02-16T09:14:49.144078Z",
"text_signature": "testDeployERC1967IBeaconProxy()",
"hex_signature": "0x714a4c22",
"bytes_signature": "qJL\""
},
{
"id": 1192680,
"created_at": "2026-02-16T09:14:49.146213Z",
"text_signature": "testDeployERC1967BeaconProxyWithImmutableArgs(address,bytes32)",
"hex_signature": "0x37ca6aed",
"bytes_signature": "7Êjí"
},
{
"id": 1192681,
"created_at": "2026-02-16T09:14:49.148323Z",
"text_signature": "testDeployERC1967IBeaconProxyWithImmutableArgs(address,bytes32)",
"hex_signature": "0x8b63a282",
"bytes_signature": "c¢"
},
{
"id": 1192682,
"created_at": "2026-02-16T09:14:49.150500Z",
"text_signature": "testDeployERC1967BeaconProxyWithImmutableArgs()",
"hex_signature": "0x38357a72",
"bytes_signature": "85zr"
},
{
"id": 1192683,
"created_at": "2026-02-16T09:14:49.152350Z",
"text_signature": "testDeployERC1967IBeaconProxyWithImmutableArgs()",
"hex_signature": "0x8cd4773b",
"bytes_signature": "Ôw;"
},
{
"id": 1192684,
"created_at": "2026-02-16T09:14:49.154430Z",
"text_signature": "testImplemenationOf(address)",
"hex_signature": "0xefdde7b8",
"bytes_signature": "ïÝç¸"
},
{
"id": 1192685,
"created_at": "2026-02-16T09:14:49.156743Z",
"text_signature": "testImplemenationOfGas()",
"hex_signature": "0x215c07c6",
"bytes_signature": "!\\\u0007Æ"
},
{
"id": 1192686,
"created_at": "2026-02-16T09:14:49.158858Z",
"text_signature": "testClone()",
"hex_signature": "0xb8b1d0cb",
"bytes_signature": "¸±ÐË"
},
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