HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1172155,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=131",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=129",
"results": [
{
"id": 1192350,
"created_at": "2026-02-16T09:14:48.135134Z",
"text_signature": "testStringSplit()",
"hex_signature": "0xec6ea2ac",
"bytes_signature": "ìn¢¬"
},
{
"id": 1192349,
"created_at": "2026-02-16T09:14:48.131891Z",
"text_signature": "testStringIndicesOf()",
"hex_signature": "0xfec9dd13",
"bytes_signature": "þÉÝ\u0013"
},
{
"id": 1192348,
"created_at": "2026-02-16T09:14:48.128829Z",
"text_signature": "testStringSlice()",
"hex_signature": "0x11d42e18",
"bytes_signature": "\u0011Ô.\u0018"
},
{
"id": 1192347,
"created_at": "2026-02-16T09:14:48.125533Z",
"text_signature": "testStringRepeatOriginal()",
"hex_signature": "0xe6b39c0e",
"bytes_signature": "æ³\u000e"
},
{
"id": 1192346,
"created_at": "2026-02-16T09:14:48.122275Z",
"text_signature": "testStringRepeat()",
"hex_signature": "0x2292991e",
"bytes_signature": "\"\u001e"
},
{
"id": 1192345,
"created_at": "2026-02-16T09:14:48.118813Z",
"text_signature": "testStringEndsWith()",
"hex_signature": "0x6cd57b38",
"bytes_signature": "lÕ{8"
},
{
"id": 1192344,
"created_at": "2026-02-16T09:14:48.115484Z",
"text_signature": "testStringStartsWith()",
"hex_signature": "0x97ae3d3d",
"bytes_signature": "®=="
},
{
"id": 1192343,
"created_at": "2026-02-16T09:14:48.111573Z",
"text_signature": "testStringLastIndexOf()",
"hex_signature": "0xf621b485",
"bytes_signature": "ö!´
"
},
{
"id": 1192342,
"created_at": "2026-02-16T09:14:48.109519Z",
"text_signature": "testStringIndexOf()",
"hex_signature": "0x54c33a22",
"bytes_signature": "TÃ:\""
},
{
"id": 1192341,
"created_at": "2026-02-16T09:14:48.107303Z",
"text_signature": "testStringReplaceLong()",
"hex_signature": "0xcfec67b9",
"bytes_signature": "Ïìg¹"
},
{
"id": 1192340,
"created_at": "2026-02-16T09:14:48.105013Z",
"text_signature": "testStringReplaceMedium()",
"hex_signature": "0xdd946ede",
"bytes_signature": "ÝnÞ"
},
{
"id": 1192339,
"created_at": "2026-02-16T09:14:48.102947Z",
"text_signature": "testStringReplaceShort()",
"hex_signature": "0xee7a4dc5",
"bytes_signature": "îzMÅ"
},
{
"id": 1192338,
"created_at": "2026-02-16T09:14:48.100697Z",
"text_signature": "testStringRuneCount()",
"hex_signature": "0x68f7dfb6",
"bytes_signature": "h÷߶"
},
{
"id": 1192337,
"created_at": "2026-02-16T09:14:48.098461Z",
"text_signature": "testStringIs7BitASCII()",
"hex_signature": "0x16960810",
"bytes_signature": "\u0016\b\u0010"
},
{
"id": 1192336,
"created_at": "2026-02-16T09:14:48.096411Z",
"text_signature": "testTo7BitASCIIAllowedLookup()",
"hex_signature": "0x6df4f036",
"bytes_signature": "môð6"
},
{
"id": 1192335,
"created_at": "2026-02-16T09:14:48.094224Z",
"text_signature": "testStringIs7BitASCIIWithAllowedLookup()",
"hex_signature": "0x3551c536",
"bytes_signature": "5QÅ6"
},
{
"id": 1192334,
"created_at": "2026-02-16T09:14:48.092106Z",
"text_signature": "testBytesToHexString()",
"hex_signature": "0x3e12650b",
"bytes_signature": ">\u0012e\u000b"
},
{
"id": 1192333,
"created_at": "2026-02-16T09:14:48.089743Z",
"text_signature": "testBytesToHexStringNoPrefix()",
"hex_signature": "0xd30c9719",
"bytes_signature": "Ó\f\u0019"
},
{
"id": 1192332,
"created_at": "2026-02-16T09:14:48.087373Z",
"text_signature": "testHexStringNoPrefixVariants(uint256,uint256)",
"hex_signature": "0x531c7958",
"bytes_signature": "S\u001cyX"
},
{
"id": 1192331,
"created_at": "2026-02-16T09:14:48.085006Z",
"text_signature": "testFromAddressToHexStringChecksummedDifferential(uint256)",
"hex_signature": "0xd623acc0",
"bytes_signature": "Ö#¬À"
},
{
"id": 1192330,
"created_at": "2026-02-16T09:14:48.082650Z",
"text_signature": "testFromAddressToHexStringChecksummed()",
"hex_signature": "0xb51c71cb",
"bytes_signature": "µ\u001cqË"
},
{
"id": 1192329,
"created_at": "2026-02-16T09:14:48.080413Z",
"text_signature": "testToMinimalHexStringNoPrefixZeroRightPadded(uint256)",
"hex_signature": "0x8ed9a3af",
"bytes_signature": "Ù£¯"
},
{
"id": 1192328,
"created_at": "2026-02-16T09:14:48.078172Z",
"text_signature": "testToMinimalHexStringNoPrefixUint256Max()",
"hex_signature": "0x5283cc2c",
"bytes_signature": "RÌ,"
},
{
"id": 1192327,
"created_at": "2026-02-16T09:14:48.076092Z",
"text_signature": "testToMinimalHexStringNoPrefixPositiveNumber()",
"hex_signature": "0x1b57a801",
"bytes_signature": "\u001bW¨\u0001"
},
{
"id": 1192326,
"created_at": "2026-02-16T09:14:48.073880Z",
"text_signature": "testToMinimalHexStringNoPrefixZero()",
"hex_signature": "0xc275f1f6",
"bytes_signature": "Âuñö"
},
{
"id": 1192325,
"created_at": "2026-02-16T09:14:48.071949Z",
"text_signature": "testToMinimalHexStringZeroRightPadded(uint256)",
"hex_signature": "0xe6c11828",
"bytes_signature": "æÁ\u0018("
},
{
"id": 1192324,
"created_at": "2026-02-16T09:14:48.069706Z",
"text_signature": "testToMinimalHexStringUint256Max()",
"hex_signature": "0x421c044e",
"bytes_signature": "B\u001c\u0004N"
},
{
"id": 1192323,
"created_at": "2026-02-16T09:14:48.067536Z",
"text_signature": "testToMinimalHexStringPositiveNumber()",
"hex_signature": "0xfcaacb66",
"bytes_signature": "üªËf"
},
{
"id": 1192322,
"created_at": "2026-02-16T09:14:48.064951Z",
"text_signature": "testToMinimalHexStringZero()",
"hex_signature": "0xf69c2a99",
"bytes_signature": "ö*"
},
{
"id": 1192321,
"created_at": "2026-02-16T09:14:48.062122Z",
"text_signature": "testFromAddressToHexStringWithLeadingZeros()",
"hex_signature": "0x59c2330f",
"bytes_signature": "YÂ3\u000f"
},
{
"id": 1192320,
"created_at": "2026-02-16T09:14:48.058745Z",
"text_signature": "testAddressToHexStringZeroRightPadded(address)",
"hex_signature": "0xfa3a1ef0",
"bytes_signature": "ú:\u001eð"
},
{
"id": 1192319,
"created_at": "2026-02-16T09:14:48.056142Z",
"text_signature": "testFromAddressToHexString()",
"hex_signature": "0x4330a2eb",
"bytes_signature": "C0¢ë"
},
{
"id": 1192318,
"created_at": "2026-02-16T09:14:48.053323Z",
"text_signature": "testToHexStringFixedLengthZeroRightPadded(uint256,uint256)",
"hex_signature": "0xf359e547",
"bytes_signature": "óYåG"
},
{
"id": 1192317,
"created_at": "2026-02-16T09:14:48.050444Z",
"text_signature": "testToHexStringFixedLengthUint256Max()",
"hex_signature": "0x6929ad0d",
"bytes_signature": "i)\r"
},
{
"id": 1192316,
"created_at": "2026-02-16T09:14:48.047258Z",
"text_signature": "testToHexStringFixedLengthInsufficientLength()",
"hex_signature": "0x051125f0",
"bytes_signature": "\u0005\u0011%ð"
},
{
"id": 1192315,
"created_at": "2026-02-16T09:14:48.044590Z",
"text_signature": "testToHexStringZeroRightPadded(uint256)",
"hex_signature": "0x5943484c",
"bytes_signature": "YCHL"
},
{
"id": 1192314,
"created_at": "2026-02-16T09:14:48.041564Z",
"text_signature": "testToHexStringFixedLengthPositiveNumberShort()",
"hex_signature": "0x1f20ec54",
"bytes_signature": "\u001f ìT"
},
{
"id": 1192313,
"created_at": "2026-02-16T09:14:48.039021Z",
"text_signature": "testToHexStringFixedLengthPositiveNumberLong()",
"hex_signature": "0x375c4a16",
"bytes_signature": "7\\J\u0016"
},
{
"id": 1192312,
"created_at": "2026-02-16T09:14:48.035888Z",
"text_signature": "testToHexStringUint256Max()",
"hex_signature": "0xe5750306",
"bytes_signature": "åu\u0003\u0006"
},
{
"id": 1192311,
"created_at": "2026-02-16T09:14:48.031828Z",
"text_signature": "testToHexStringPositiveNumber()",
"hex_signature": "0x38eec790",
"bytes_signature": "8îÇ"
},
{
"id": 1192310,
"created_at": "2026-02-16T09:14:48.027861Z",
"text_signature": "testToHexStringZero()",
"hex_signature": "0xb2bb6b00",
"bytes_signature": "²»k\u0000"
},
{
"id": 1192309,
"created_at": "2026-02-16T09:14:48.023862Z",
"text_signature": "_toStringSignedOriginal(int256)",
"hex_signature": "0x6c73030c",
"bytes_signature": "ls\u0003\f"
},
{
"id": 1192308,
"created_at": "2026-02-16T09:14:48.019941Z",
"text_signature": "testToStringSignedOriginalGas()",
"hex_signature": "0xe5d45252",
"bytes_signature": "åÔRR"
},
{
"id": 1192307,
"created_at": "2026-02-16T09:14:48.016027Z",
"text_signature": "testToStringSignedGas()",
"hex_signature": "0x5005b23c",
"bytes_signature": "P\u0005²<"
},
{
"id": 1192306,
"created_at": "2026-02-16T09:14:48.012377Z",
"text_signature": "testToStringSignedMemory(int256)",
"hex_signature": "0xbf979db0",
"bytes_signature": "¿°"
},
{
"id": 1192305,
"created_at": "2026-02-16T09:14:48.008416Z",
"text_signature": "testToStringSignedDifferential(int256)",
"hex_signature": "0xfce30d80",
"bytes_signature": "üã\r"
},
{
"id": 1192304,
"created_at": "2026-02-16T09:14:48.004685Z",
"text_signature": "testToStringZeroRightPadded(uint256)",
"hex_signature": "0xfa1f80fa",
"bytes_signature": "ú\u001fú"
},
{
"id": 1192303,
"created_at": "2026-02-16T09:14:48.000772Z",
"text_signature": "testToStringUint256MaxBrutalized()",
"hex_signature": "0x63dc5d29",
"bytes_signature": "cÜ])"
},
{
"id": 1192302,
"created_at": "2026-02-16T09:14:47.997580Z",
"text_signature": "testToStringPositiveNumberBrutalized()",
"hex_signature": "0xca66723c",
"bytes_signature": "Êfr<"
},
{
"id": 1192301,
"created_at": "2026-02-16T09:14:47.994389Z",
"text_signature": "testToStringZeroBrutalized()",
"hex_signature": "0xf7951534",
"bytes_signature": "÷\u00154"
},
{
"id": 1192300,
"created_at": "2026-02-16T09:14:47.991069Z",
"text_signature": "testToStringUint256Max()",
"hex_signature": "0xa812b2c1",
"bytes_signature": "¨\u0012²Á"
},
{
"id": 1192299,
"created_at": "2026-02-16T09:14:47.987611Z",
"text_signature": "testToStringPositiveNumber()",
"hex_signature": "0x7e66be02",
"bytes_signature": "~f¾\u0002"
},
{
"id": 1192298,
"created_at": "2026-02-16T09:14:47.984357Z",
"text_signature": "testToStringZero()",
"hex_signature": "0x56ae0a64",
"bytes_signature": "V®\nd"
},
{
"id": 1192297,
"created_at": "2026-02-16T09:14:47.980968Z",
"text_signature": "testSimpleStringSetAndGetGas()",
"hex_signature": "0x25a33f3d",
"bytes_signature": "%£?="
},
{
"id": 1192296,
"created_at": "2026-02-16T09:14:47.974779Z",
"text_signature": "testMulticallablePreservesMsgSender()",
"hex_signature": "0x65fce421",
"bytes_signature": "eüä!"
},
{
"id": 1192295,
"created_at": "2026-02-16T09:14:47.971330Z",
"text_signature": "testMulticallableWithNoData()",
"hex_signature": "0x74d338ca",
"bytes_signature": "tÓ8Ê"
},
{
"id": 1192294,
"created_at": "2026-02-16T09:14:47.967808Z",
"text_signature": "testMulticallableOriginalBenchmark()",
"hex_signature": "0xe0540e1a",
"bytes_signature": "àT\u000e\u001a"
},
{
"id": 1192293,
"created_at": "2026-02-16T09:14:47.964098Z",
"text_signature": "testMulticallableBenchmark()",
"hex_signature": "0xd030e5fa",
"bytes_signature": "Ð0åú"
},
{
"id": 1192292,
"created_at": "2026-02-16T09:14:47.960822Z",
"text_signature": "testMulticallableReturnDataIsProperlyEncoded()",
"hex_signature": "0x96fbbb95",
"bytes_signature": "û»"
},
{
"id": 1192291,
"created_at": "2026-02-16T09:14:47.957427Z",
"text_signature": "testMulticallableReturnDataIsProperlyEncoded(uint256,uint256,uint256,uint256)",
"hex_signature": "0x487a92cf",
"bytes_signature": "HzÏ"
},
{
"id": 1192290,
"created_at": "2026-02-16T09:14:47.953934Z",
"text_signature": "testMulticallableRevertWithNothing()",
"hex_signature": "0xeeb3cb86",
"bytes_signature": "î³Ë"
},
{
"id": 1192289,
"created_at": "2026-02-16T09:14:47.950758Z",
"text_signature": "testMulticallableRevertWithCustomError()",
"hex_signature": "0x8cbe64c2",
"bytes_signature": "¾dÂ"
},
{
"id": 1192288,
"created_at": "2026-02-16T09:14:47.947416Z",
"text_signature": "testMulticallableRevertWithMessage()",
"hex_signature": "0x6ffb660a",
"bytes_signature": "oûf\n"
},
{
"id": 1192287,
"created_at": "2026-02-16T09:14:47.942889Z",
"text_signature": "testDoubleDeployDifferentBytecodeReverts()",
"hex_signature": "0x73e97c2d",
"bytes_signature": "sé|-"
},
{
"id": 1192286,
"created_at": "2026-02-16T09:14:47.939384Z",
"text_signature": "testDoubleDeploySameBytecodeReverts()",
"hex_signature": "0xfcffadfb",
"bytes_signature": "üÿû"
},
{
"id": 1192285,
"created_at": "2026-02-16T09:14:47.935819Z",
"text_signature": "testDeployedUpperBitsSafeForPlainSolidity()",
"hex_signature": "0xa72839a9",
"bytes_signature": "§(9©"
},
{
"id": 1192284,
"created_at": "2026-02-16T09:14:47.930824Z",
"text_signature": "dynamicArrayDirectReturn(uint256)",
"hex_signature": "0x5ee361a1",
"bytes_signature": "^ãa¡"
},
{
"id": 1192283,
"created_at": "2026-02-16T09:14:47.927354Z",
"text_signature": "testDynamicArrayDirectReturn(uint256)",
"hex_signature": "0x7e1e49aa",
"bytes_signature": "~\u001eIª"
},
{
"id": 1192282,
"created_at": "2026-02-16T09:14:47.923939Z",
"text_signature": "uint256ArrayDirectReturn(uint256)",
"hex_signature": "0x65c93e7c",
"bytes_signature": "eÉ>|"
},
{
"id": 1192281,
"created_at": "2026-02-16T09:14:47.920547Z",
"text_signature": "testUint256ArrayDirectReturn(uint256)",
"hex_signature": "0xaccfd591",
"bytes_signature": "¬ÏÕ"
},
{
"id": 1192280,
"created_at": "2026-02-16T09:14:47.917559Z",
"text_signature": "testDynamicArrayFree(uint256)",
"hex_signature": "0xa14c00f5",
"bytes_signature": "¡L\u0000õ"
},
{
"id": 1192279,
"created_at": "2026-02-16T09:14:47.914349Z",
"text_signature": "testUint256ArrayMisc()",
"hex_signature": "0xa704863f",
"bytes_signature": "§\u0004?"
},
{
"id": 1192278,
"created_at": "2026-02-16T09:14:47.911379Z",
"text_signature": "testUint256ArrayOperations(uint256,uint256)",
"hex_signature": "0x4a840843",
"bytes_signature": "J\bC"
},
{
"id": 1192277,
"created_at": "2026-02-16T09:14:47.908126Z",
"text_signature": "testUint256ArrayPopulateOriginal()",
"hex_signature": "0xf1dcba91",
"bytes_signature": "ñܺ"
},
{
"id": 1192276,
"created_at": "2026-02-16T09:14:47.904561Z",
"text_signature": "testUint256ArrayPopulate()",
"hex_signature": "0x4b059e98",
"bytes_signature": "K\u0005"
},
{
"id": 1192275,
"created_at": "2026-02-16T09:14:47.901051Z",
"text_signature": "testUint256ArrayLastIndexOf()",
"hex_signature": "0x5ce03e6a",
"bytes_signature": "\\à>j"
},
{
"id": 1192274,
"created_at": "2026-02-16T09:14:47.898149Z",
"text_signature": "testUint256ArrayIndexOf()",
"hex_signature": "0x9a356bb2",
"bytes_signature": "5k²"
},
{
"id": 1192273,
"created_at": "2026-02-16T09:14:47.894963Z",
"text_signature": "testUint256Contains()",
"hex_signature": "0x31e0febb",
"bytes_signature": "1àþ»"
},
{
"id": 1192272,
"created_at": "2026-02-16T09:14:47.891739Z",
"text_signature": "testDynamicArrayCopyOrAllSlice()",
"hex_signature": "0x04996d6c",
"bytes_signature": "\u0004ml"
},
{
"id": 1192271,
"created_at": "2026-02-16T09:14:47.888601Z",
"text_signature": "testDynamicArraySlice()",
"hex_signature": "0xc075052d",
"bytes_signature": "Àu\u0005-"
},
{
"id": 1192270,
"created_at": "2026-02-16T09:14:47.885453Z",
"text_signature": "testDynamicArrayPushPop(uint256,uint256)",
"hex_signature": "0xfebe6565",
"bytes_signature": "þ¾ee"
},
{
"id": 1192269,
"created_at": "2026-02-16T09:14:47.882288Z",
"text_signature": "testDynamicArrayWrap()",
"hex_signature": "0x5e475470",
"bytes_signature": "^GTp"
},
{
"id": 1192268,
"created_at": "2026-02-16T09:14:47.879452Z",
"text_signature": "testDynamicArrayPushAfterReserve()",
"hex_signature": "0xcbfe20db",
"bytes_signature": "Ëþ Û"
},
{
"id": 1192267,
"created_at": "2026-02-16T09:14:47.876412Z",
"text_signature": "testDynamicArrayPushAndPop()",
"hex_signature": "0x2a177068",
"bytes_signature": "*\u0017ph"
},
{
"id": 1192266,
"created_at": "2026-02-16T09:14:47.872465Z",
"text_signature": "testLockEverything()",
"hex_signature": "0xb0af55c1",
"bytes_signature": "°¯UÁ"
},
{
"id": 1192265,
"created_at": "2026-02-16T09:14:47.869224Z",
"text_signature": "testLockRescue()",
"hex_signature": "0x60af86f2",
"bytes_signature": "`¯ò"
},
{
"id": 1192264,
"created_at": "2026-02-16T09:14:47.865716Z",
"text_signature": "testLockRescueETH()",
"hex_signature": "0x75abb453",
"bytes_signature": "u«´S"
},
{
"id": 1192263,
"created_at": "2026-02-16T09:14:47.862939Z",
"text_signature": "_testTempsForRescuePermissions()",
"hex_signature": "0x85c3a357",
"bytes_signature": "
ãW"
},
{
"id": 1192262,
"created_at": "2026-02-16T09:14:47.859735Z",
"text_signature": "_testTempsForRescue()",
"hex_signature": "0xa6a527c1",
"bytes_signature": "¦¥'Á"
},
{
"id": 1192261,
"created_at": "2026-02-16T09:14:47.856601Z",
"text_signature": "_testTempsBase()",
"hex_signature": "0xafc2e00c",
"bytes_signature": "¯Âà\f"
},
{
"id": 1192260,
"created_at": "2026-02-16T09:14:47.853645Z",
"text_signature": "_erc6909BalanceOf(address,uint256)",
"hex_signature": "0xf9496644",
"bytes_signature": "ùIfD"
},
{
"id": 1192259,
"created_at": "2026-02-16T09:14:47.850316Z",
"text_signature": "_erc1155BalanceOf(address,uint256)",
"hex_signature": "0x0e64c4da",
"bytes_signature": "\u000edÄÚ"
},
{
"id": 1192258,
"created_at": "2026-02-16T09:14:47.847260Z",
"text_signature": "_erc20BalanceOf(address)",
"hex_signature": "0x1d973f9e",
"bytes_signature": "\u001d?"
},
{
"id": 1192257,
"created_at": "2026-02-16T09:14:47.843850Z",
"text_signature": "testLifebuoyCreateDeployment(address,address,uint256)",
"hex_signature": "0xf54cbd2c",
"bytes_signature": "õL½,"
},
{
"id": 1192256,
"created_at": "2026-02-16T09:14:47.838951Z",
"text_signature": "testMemHeapWriteAndReadFromStorage2()",
"hex_signature": "0xfadcf37e",
"bytes_signature": "úÜó~"
},
{
"id": 1192255,
"created_at": "2026-02-16T09:14:47.835853Z",
"text_signature": "testMemHeapWriteAndReadFromStorage()",
"hex_signature": "0xc275623f",
"bytes_signature": "Âub?"
},
{
"id": 1192254,
"created_at": "2026-02-16T09:14:47.832641Z",
"text_signature": "testMemHeapEnqueueGas()",
"hex_signature": "0x7f59ef3f",
"bytes_signature": "Yï?"
},
{
"id": 1192253,
"created_at": "2026-02-16T09:14:47.829586Z",
"text_signature": "memHeapReplaceOrPopEmptyHeapReverts(uint256,bool)",
"hex_signature": "0x0941718f",
"bytes_signature": "\tAq"
},
{
"id": 1192252,
"created_at": "2026-02-16T09:14:47.826223Z",
"text_signature": "memHeapEnqueueZeroMaxLengthReverts(uint256)",
"hex_signature": "0x463ca6fc",
"bytes_signature": "F<¦ü"
},
{
"id": 1192251,
"created_at": "2026-02-16T09:14:47.823092Z",
"text_signature": "testMemHeapPushGas()",
"hex_signature": "0x91ea1706",
"bytes_signature": "ê\u0017\u0006"
}
]
}