HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1165256,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11589",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11587",
"results": [
{
"id": 1191796,
"created_at": "2026-02-16T09:14:46.605220Z",
"text_signature": "_commonBytePrefixOriginal(uint256,uint256)",
"hex_signature": "0xd961a4c0",
"bytes_signature": "Ùa¤À"
},
{
"id": 1191797,
"created_at": "2026-02-16T09:14:46.608969Z",
"text_signature": "testCommonBitPrefixDifferential(uint256,uint256)",
"hex_signature": "0x994ab71d",
"bytes_signature": "J·\u001d"
},
{
"id": 1191798,
"created_at": "2026-02-16T09:14:46.613200Z",
"text_signature": "_commonBitPrefixOriginal(uint256,uint256)",
"hex_signature": "0x3a6135fd",
"bytes_signature": ":a5ý"
},
{
"id": 1191799,
"created_at": "2026-02-16T09:14:46.617624Z",
"text_signature": "testEnumerableAddressSetNoStorageCollision()",
"hex_signature": "0x317f49e0",
"bytes_signature": "1Ià"
},
{
"id": 1191800,
"created_at": "2026-02-16T09:14:46.620725Z",
"text_signature": "testEnumerableBytes32SetNoStorageCollision()",
"hex_signature": "0xdec56781",
"bytes_signature": "ÞÅg"
},
{
"id": 1191801,
"created_at": "2026-02-16T09:14:46.623976Z",
"text_signature": "testEnumerableAddressSetBasic()",
"hex_signature": "0x7fe60a4c",
"bytes_signature": "æ\nL"
},
{
"id": 1191802,
"created_at": "2026-02-16T09:14:46.626946Z",
"text_signature": "testEnumerableBytes32SetBasic()",
"hex_signature": "0x33e2ec71",
"bytes_signature": "3âìq"
},
{
"id": 1191803,
"created_at": "2026-02-16T09:14:46.629204Z",
"text_signature": "testEnumerableAddressSetBasic2()",
"hex_signature": "0x6d3fae76",
"bytes_signature": "m?®v"
},
{
"id": 1191804,
"created_at": "2026-02-16T09:14:46.631497Z",
"text_signature": "testEnumerableBytes32SetBasic2()",
"hex_signature": "0xc0a61d8c",
"bytes_signature": "À¦\u001d"
},
{
"id": 1191805,
"created_at": "2026-02-16T09:14:46.633948Z",
"text_signature": "testEnumerableSetFuzz(uint256)",
"hex_signature": "0x115a2b11",
"bytes_signature": "\u0011Z+\u0011"
},
{
"id": 1191806,
"created_at": "2026-02-16T09:14:46.636534Z",
"text_signature": "_testEnumerableAddressSetFuzz(uint256)",
"hex_signature": "0x46583c07",
"bytes_signature": "FX<\u0007"
},
{
"id": 1191807,
"created_at": "2026-02-16T09:14:46.639016Z",
"text_signature": "_testEnumerableAddressSetFuzz()",
"hex_signature": "0x0b43bc9b",
"bytes_signature": "\u000bC¼"
},
{
"id": 1191808,
"created_at": "2026-02-16T09:14:46.641303Z",
"text_signature": "_testEnumerableBytes32SetFuzz(uint256)",
"hex_signature": "0x61287e81",
"bytes_signature": "a(~"
},
{
"id": 1191809,
"created_at": "2026-02-16T09:14:46.643302Z",
"text_signature": "_testEnumerableBytes32SetFuzz()",
"hex_signature": "0x2fa65549",
"bytes_signature": "/¦UI"
},
{
"id": 1191810,
"created_at": "2026-02-16T09:14:46.645530Z",
"text_signature": "_testEnumerableUint256SetFuzz()",
"hex_signature": "0x2e99ba1a",
"bytes_signature": ".º\u001a"
},
{
"id": 1191811,
"created_at": "2026-02-16T09:14:46.647616Z",
"text_signature": "_testEnumerableInt256SetFuzz()",
"hex_signature": "0x00d2f219",
"bytes_signature": "\u0000Òò\u0019"
},
{
"id": 1191812,
"created_at": "2026-02-16T09:14:46.649660Z",
"text_signature": "_sampleUniqueAddresses(uint256)",
"hex_signature": "0xd39b5586",
"bytes_signature": "ÓU"
},
{
"id": 1191813,
"created_at": "2026-02-16T09:14:46.651949Z",
"text_signature": "testEnumerableUint8Set()",
"hex_signature": "0x9496a2ad",
"bytes_signature": "¢"
},
{
"id": 1191814,
"created_at": "2026-02-16T09:14:46.654011Z",
"text_signature": "_flagsToOrdinals(uint256)",
"hex_signature": "0x36fad420",
"bytes_signature": "6úÔ "
},
{
"id": 1191815,
"created_at": "2026-02-16T09:14:46.656387Z",
"text_signature": "uint8SetAt(uint256)",
"hex_signature": "0x4c8d5634",
"bytes_signature": "LV4"
},
{
"id": 1191816,
"created_at": "2026-02-16T09:14:46.659135Z",
"text_signature": "addToAddressSet(address)",
"hex_signature": "0x2680bcbc",
"bytes_signature": "&¼¼"
},
{
"id": 1191817,
"created_at": "2026-02-16T09:14:46.661339Z",
"text_signature": "addressSetContains(address)",
"hex_signature": "0x9bafd501",
"bytes_signature": "¯Õ\u0001"
},
{
"id": 1191818,
"created_at": "2026-02-16T09:14:46.663955Z",
"text_signature": "removeFromAddressSet(address)",
"hex_signature": "0xd417037f",
"bytes_signature": "Ô\u0017\u0003"
},
{
"id": 1191819,
"created_at": "2026-02-16T09:14:46.666290Z",
"text_signature": "addressSetAt(uint256)",
"hex_signature": "0x6eae35bf",
"bytes_signature": "n®5¿"
},
{
"id": 1191820,
"created_at": "2026-02-16T09:14:46.668553Z",
"text_signature": "addToBytes32Set(bytes32)",
"hex_signature": "0xfd21b8a3",
"bytes_signature": "ý!¸£"
},
{
"id": 1191821,
"created_at": "2026-02-16T09:14:46.670684Z",
"text_signature": "bytes32SetContains(bytes32)",
"hex_signature": "0x16c27d45",
"bytes_signature": "\u0016Â}E"
},
{
"id": 1191822,
"created_at": "2026-02-16T09:14:46.672863Z",
"text_signature": "removeFromBytes32Set(bytes32)",
"hex_signature": "0xc671e1dd",
"bytes_signature": "ÆqáÝ"
},
{
"id": 1191823,
"created_at": "2026-02-16T09:14:46.675209Z",
"text_signature": "bytes32SetAt(uint256)",
"hex_signature": "0xb777ce16",
"bytes_signature": "·wÎ\u0016"
},
{
"id": 1191824,
"created_at": "2026-02-16T09:14:46.678243Z",
"text_signature": "testEnumerableAddressSetUpdate()",
"hex_signature": "0x8f2d1367",
"bytes_signature": "-\u0013g"
},
{
"id": 1191825,
"created_at": "2026-02-16T09:14:46.680293Z",
"text_signature": "updateAddressSet(address,bool,uint256)",
"hex_signature": "0xc7b468d2",
"bytes_signature": "Ç´hÒ"
},
{
"id": 1191826,
"created_at": "2026-02-16T09:14:46.682879Z",
"text_signature": "updateBytes32Set(bytes32,bool,uint256)",
"hex_signature": "0x004ea763",
"bytes_signature": "\u0000N§c"
},
{
"id": 1191827,
"created_at": "2026-02-16T09:14:46.685367Z",
"text_signature": "updateUint8Set(uint8,bool,uint256)",
"hex_signature": "0xe6cd336a",
"bytes_signature": "æÍ3j"
},
{
"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": 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": 1191830,
"created_at": "2026-02-16T09:14:46.693811Z",
"text_signature": "testIsERC6551Account(address,bytes32,uint256,address,uint256)",
"hex_signature": "0x8d5ba501",
"bytes_signature": "[¥\u0001"
},
{
"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": 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": 1191833,
"created_at": "2026-02-16T09:14:46.700385Z",
"text_signature": "testContext(address,bytes32,uint256,address,uint256)",
"hex_signature": "0xf99e369e",
"bytes_signature": "ù6"
},
{
"id": 1191834,
"created_at": "2026-02-16T09:14:46.705218Z",
"text_signature": "_args()",
"hex_signature": "0x8cc69939",
"bytes_signature": "Æ9"
},
{
"id": 1191835,
"created_at": "2026-02-16T09:14:46.707615Z",
"text_signature": "_expectEmitInitialized(uint64)",
"hex_signature": "0x3c610f8e",
"bytes_signature": "<a\u000f"
},
{
"id": 1191836,
"created_at": "2026-02-16T09:14:46.710350Z",
"text_signature": "_checkVersion(uint64)",
"hex_signature": "0xb817f064",
"bytes_signature": "¸\u0017ðd"
},
{
"id": 1191837,
"created_at": "2026-02-16T09:14:46.712511Z",
"text_signature": "testOnlyInitializing()",
"hex_signature": "0x35254ffd",
"bytes_signature": "5%Oý"
},
{
"id": 1191838,
"created_at": "2026-02-16T09:14:46.714634Z",
"text_signature": "testDisableInitializers()",
"hex_signature": "0x495f69fb",
"bytes_signature": "I_iû"
},
{
"id": 1191839,
"created_at": "2026-02-16T09:14:46.716546Z",
"text_signature": "testInitializableConstructor()",
"hex_signature": "0xf1e706fe",
"bytes_signature": "ñç\u0006þ"
},
{
"id": 1191840,
"created_at": "2026-02-16T09:14:46.718846Z",
"text_signature": "testInitializeInititalizerTrick(bool,uint64,uint16)",
"hex_signature": "0x11260a46",
"bytes_signature": "\u0011&\nF"
},
{
"id": 1191841,
"created_at": "2026-02-16T09:14:46.721189Z",
"text_signature": "testInitializeReinititalizerTrick(bool,uint64,uint64)",
"hex_signature": "0x0eeee879",
"bytes_signature": "\u000eîèy"
},
{
"id": 1191842,
"created_at": "2026-02-16T09:14:46.725569Z",
"text_signature": "testRoyaltyOverflowCheckDifferential(uint256,uint256)",
"hex_signature": "0xf24a7cdb",
"bytes_signature": "òJ|Û"
},
{
"id": 1191843,
"created_at": "2026-02-16T09:14:46.727927Z",
"text_signature": "testBumpSlot(bytes32,uint256)",
"hex_signature": "0xe22d7c8f",
"bytes_signature": "â-|"
},
{
"id": 1191844,
"created_at": "2026-02-16T09:14:46.731120Z",
"text_signature": "testBaseFeeMini()",
"hex_signature": "0x1d3456bd",
"bytes_signature": "\u001d4V½"
},
{
"id": 1191845,
"created_at": "2026-02-16T09:14:46.733280Z",
"text_signature": "_testTempsMint(address)",
"hex_signature": "0x3f4e34d1",
"bytes_signature": "?N4Ñ"
},
{
"id": 1191846,
"created_at": "2026-02-16T09:14:46.736212Z",
"text_signature": "testDeployERC6551Proxy()",
"hex_signature": "0x47f55b7a",
"bytes_signature": "Gõ[z"
},
{
"id": 1191847,
"created_at": "2026-02-16T09:14:46.738338Z",
"text_signature": "testInitializeERC6551ProxyImplementation()",
"hex_signature": "0x1cf9b95a",
"bytes_signature": "\u001cù¹Z"
},
{
"id": 1191848,
"created_at": "2026-02-16T09:14:46.740725Z",
"text_signature": "testOwnerWorksWithChainIdChange(uint256,uint256)",
"hex_signature": "0x20632d08",
"bytes_signature": " c-\b"
},
{
"id": 1191849,
"created_at": "2026-02-16T09:14:46.743260Z",
"text_signature": "testOnERC721ReceivedCycles()",
"hex_signature": "0xef68adf1",
"bytes_signature": "ïhñ"
},
{
"id": 1191850,
"created_at": "2026-02-16T09:14:46.745213Z",
"text_signature": "testOnERC721Received()",
"hex_signature": "0x2fa07d77",
"bytes_signature": "/ }w"
},
{
"id": 1191851,
"created_at": "2026-02-16T09:14:46.747405Z",
"text_signature": "testOnERC1155Received()",
"hex_signature": "0xa1b21945",
"bytes_signature": "¡²\u0019E"
},
{
"id": 1191852,
"created_at": "2026-02-16T09:14:46.749451Z",
"text_signature": "testOnERC1155BatchReceived()",
"hex_signature": "0xe101c505",
"bytes_signature": "á\u0001Å\u0005"
},
{
"id": 1191853,
"created_at": "2026-02-16T09:14:46.751358Z",
"text_signature": "testExecute()",
"hex_signature": "0xcbd5f49c",
"bytes_signature": "ËÕô"
},
{
"id": 1191854,
"created_at": "2026-02-16T09:14:46.753441Z",
"text_signature": "testExecuteBatch()",
"hex_signature": "0x83aab9a7",
"bytes_signature": "ª¹§"
},
{
"id": 1191855,
"created_at": "2026-02-16T09:14:46.755668Z",
"text_signature": "testExecuteBatch(uint256)",
"hex_signature": "0xc616714f",
"bytes_signature": "Æ\u0016qO"
},
{
"id": 1191856,
"created_at": "2026-02-16T09:14:46.758145Z",
"text_signature": "testUpgradeRevertsIfNotViaERC6551Proxy()",
"hex_signature": "0x5c0f0db1",
"bytes_signature": "\\\u000f\r±"
},
{
"id": 1191857,
"created_at": "2026-02-16T09:14:46.760100Z",
"text_signature": "testSupportsInterface()",
"hex_signature": "0x1d0dfb58",
"bytes_signature": "\u001d\rûX"
},
{
"id": 1191858,
"created_at": "2026-02-16T09:14:46.761960Z",
"text_signature": "testCdFallback()",
"hex_signature": "0x8a03b21d",
"bytes_signature": "\u0003²\u001d"
},
{
"id": 1191859,
"created_at": "2026-02-16T09:14:46.764121Z",
"text_signature": "testIsValidSigner(address)",
"hex_signature": "0xbc7d5208",
"bytes_signature": "¼}R\b"
},
{
"id": 1191860,
"created_at": "2026-02-16T09:14:46.766749Z",
"text_signature": "testUpdateState(uint256)",
"hex_signature": "0xa4f0e937",
"bytes_signature": "¤ðé7"
},
{
"id": 1191861,
"created_at": "2026-02-16T09:14:46.769516Z",
"text_signature": "changeOwnerSlotValue(bool)",
"hex_signature": "0x61a30b2e",
"bytes_signature": "a£\u000b."
},
{
"id": 1191862,
"created_at": "2026-02-16T09:14:46.772254Z",
"text_signature": "testDisableInitializerForImplementation()",
"hex_signature": "0x96175233",
"bytes_signature": "\u0017R3"
},
{
"id": 1191863,
"created_at": "2026-02-16T09:14:46.774427Z",
"text_signature": "testInitializer()",
"hex_signature": "0x0d760b2b",
"bytes_signature": "\rv\u000b+"
},
{
"id": 1191864,
"created_at": "2026-02-16T09:14:46.778119Z",
"text_signature": "testDelegateExecute()",
"hex_signature": "0x2d4223ee",
"bytes_signature": "-B#î"
},
{
"id": 1191865,
"created_at": "2026-02-16T09:14:46.780389Z",
"text_signature": "testDelegateExecute(uint256)",
"hex_signature": "0xc3a3ab92",
"bytes_signature": "ã«"
},
{
"id": 1191866,
"created_at": "2026-02-16T09:14:46.782208Z",
"text_signature": "testDelegateExecuteRevertsIfOwnerSlotValueChanged()",
"hex_signature": "0xe4a15f37",
"bytes_signature": "ä¡_7"
},
{
"id": 1191867,
"created_at": "2026-02-16T09:14:46.784386Z",
"text_signature": "testDepositFunctions()",
"hex_signature": "0x0e23a899",
"bytes_signature": "\u000e#¨"
},
{
"id": 1191868,
"created_at": "2026-02-16T09:14:46.787182Z",
"text_signature": "testCdFallback2()",
"hex_signature": "0x65d64082",
"bytes_signature": "eÖ@"
},
{
"id": 1191869,
"created_at": "2026-02-16T09:14:46.789136Z",
"text_signature": "testValidateUserOp()",
"hex_signature": "0xb71084a0",
"bytes_signature": "·\u0010 "
},
{
"id": 1191870,
"created_at": "2026-02-16T09:14:46.791254Z",
"text_signature": "testIsValidSignature()",
"hex_signature": "0x4cbf2ae4",
"bytes_signature": "L¿*ä"
},
{
"id": 1191871,
"created_at": "2026-02-16T09:14:46.793380Z",
"text_signature": "testIsValidSignaturePersonalSign(bytes32)",
"hex_signature": "0xc5c251a8",
"bytes_signature": "ÅÂQ¨"
},
{
"id": 1191872,
"created_at": "2026-02-16T09:14:46.795282Z",
"text_signature": "testIsValidSignatureViaRPC()",
"hex_signature": "0x66f32adb",
"bytes_signature": "fó*Û"
},
{
"id": 1191873,
"created_at": "2026-02-16T09:14:46.797273Z",
"text_signature": "testIsValidSignatureWrapped()",
"hex_signature": "0x692b1663",
"bytes_signature": "i+\u0016c"
},
{
"id": 1191874,
"created_at": "2026-02-16T09:14:46.799426Z",
"text_signature": "_accountDomainStructFields()",
"hex_signature": "0x752da81a",
"bytes_signature": "u-¨\u001a"
},
{
"id": 1191875,
"created_at": "2026-02-16T09:14:46.801723Z",
"text_signature": "_toERC1271Hash(bytes32)",
"hex_signature": "0x3362d4a9",
"bytes_signature": "3bÔ©"
},
{
"id": 1191876,
"created_at": "2026-02-16T09:14:46.804134Z",
"text_signature": "_toContentsHash(bytes32)",
"hex_signature": "0xf4dae0c8",
"bytes_signature": "ôÚàÈ"
},
{
"id": 1191877,
"created_at": "2026-02-16T09:14:46.806526Z",
"text_signature": "_toERC1271HashPersonalSign(bytes32)",
"hex_signature": "0xd1dcb6d8",
"bytes_signature": "ÑܶØ"
},
{
"id": 1191878,
"created_at": "2026-02-16T09:14:46.808625Z",
"text_signature": "testETHReceived()",
"hex_signature": "0x657c7741",
"bytes_signature": "e|wA"
},
{
"id": 1191879,
"created_at": "2026-02-16T09:14:46.812095Z",
"text_signature": "testDirectStorage()",
"hex_signature": "0xaa64ba23",
"bytes_signature": "ªdº#"
},
{
"id": 1191880,
"created_at": "2026-02-16T09:14:46.814030Z",
"text_signature": "testOwnerRecovery()",
"hex_signature": "0xbe9122ed",
"bytes_signature": "¾\"í"
},
{
"id": 1191881,
"created_at": "2026-02-16T09:14:46.821964Z",
"text_signature": "testWithdrawToContractWithoutReceiveReverts()",
"hex_signature": "0x4b0000c4",
"bytes_signature": "K\u0000\u0000Ä"
},
{
"id": 1191882,
"created_at": "2026-02-16T09:14:46.831422Z",
"text_signature": "testCheckOnlyEIP7702Authority()",
"hex_signature": "0x04e1681f",
"bytes_signature": "\u0004áh\u001f"
},
{
"id": 1191883,
"created_at": "2026-02-16T09:14:46.834028Z",
"text_signature": "testCheckNotDelegated()",
"hex_signature": "0x739dcb2e",
"bytes_signature": "sË."
},
{
"id": 1191884,
"created_at": "2026-02-16T09:14:46.836725Z",
"text_signature": "testCheckOnlyProxy()",
"hex_signature": "0x695b5b05",
"bytes_signature": "i[[\u0005"
},
{
"id": 1191885,
"created_at": "2026-02-16T09:14:46.839201Z",
"text_signature": "testNotDelegatedGuard()",
"hex_signature": "0x029b7f69",
"bytes_signature": "\u0002i"
},
{
"id": 1191886,
"created_at": "2026-02-16T09:14:46.841851Z",
"text_signature": "testOnlyProxyGuard()",
"hex_signature": "0x25723fff",
"bytes_signature": "%r?ÿ"
},
{
"id": 1191887,
"created_at": "2026-02-16T09:14:46.846297Z",
"text_signature": "testBytecodeSize()",
"hex_signature": "0x1acf24a7",
"bytes_signature": "\u001aÏ$§"
},
{
"id": 1191888,
"created_at": "2026-02-16T09:14:46.848892Z",
"text_signature": "testInitializeOwnerDirect()",
"hex_signature": "0xfb539589",
"bytes_signature": "ûS"
},
{
"id": 1191889,
"created_at": "2026-02-16T09:14:46.851459Z",
"text_signature": "testSetOwnerDirect(address)",
"hex_signature": "0x14221abe",
"bytes_signature": "\u0014\"\u001a¾"
},
{
"id": 1191890,
"created_at": "2026-02-16T09:14:46.854087Z",
"text_signature": "testSetOwnerDirect()",
"hex_signature": "0x2f235181",
"bytes_signature": "/#Q"
},
{
"id": 1191891,
"created_at": "2026-02-16T09:14:46.856623Z",
"text_signature": "testRenounceOwnership()",
"hex_signature": "0xf09d1d44",
"bytes_signature": "ð\u001dD"
},
{
"id": 1191892,
"created_at": "2026-02-16T09:14:46.859588Z",
"text_signature": "testTransferOwnership(address,bool,bool)",
"hex_signature": "0x4ea34f83",
"bytes_signature": "N£O"
},
{
"id": 1191893,
"created_at": "2026-02-16T09:14:46.863390Z",
"text_signature": "testOnlyOwnerModifier(address,bool)",
"hex_signature": "0xfc65b36b",
"bytes_signature": "üe³k"
},
{
"id": 1191894,
"created_at": "2026-02-16T09:14:46.866194Z",
"text_signature": "testHandoverOwnership(address)",
"hex_signature": "0x6060e922",
"bytes_signature": "``é\""
},
{
"id": 1191895,
"created_at": "2026-02-16T09:14:46.868882Z",
"text_signature": "testHandoverOwnership()",
"hex_signature": "0xed023de1",
"bytes_signature": "í\u0002=á"
}
]
}