HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1165193,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11601",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11599",
"results": [
{
"id": 1192996,
"created_at": "2026-02-16T09:14:50.235482Z",
"text_signature": "directTransferFrom(address,address,uint256)",
"hex_signature": "0xa8721c2e",
"bytes_signature": "¨r\u001c."
},
{
"id": 1192997,
"created_at": "2026-02-16T09:14:50.239347Z",
"text_signature": "directSafeTransferFrom(address,address,uint256)",
"hex_signature": "0x38e29799",
"bytes_signature": "8â"
},
{
"id": 1192998,
"created_at": "2026-02-16T09:14:50.244257Z",
"text_signature": "directGetApproved(uint256)",
"hex_signature": "0xa0621994",
"bytes_signature": " b\u0019"
},
{
"id": 1192999,
"created_at": "2026-02-16T09:14:50.248012Z",
"text_signature": "_constantNameHash()",
"hex_signature": "0x914a18d3",
"bytes_signature": "J\u0018Ó"
},
{
"id": 1193000,
"created_at": "2026-02-16T09:14:50.256212Z",
"text_signature": "directSpendAllowance(address,address,uint256)",
"hex_signature": "0xd30ed3b3",
"bytes_signature": "Ó\u000eÓ³"
},
{
"id": 1193001,
"created_at": "2026-02-16T09:14:50.261245Z",
"text_signature": "checkOnlyProxy()",
"hex_signature": "0xfb392ddc",
"bytes_signature": "û9-Ü"
},
{
"id": 1193002,
"created_at": "2026-02-16T09:14:50.264267Z",
"text_signature": "checkNotDelegated()",
"hex_signature": "0x55d2b094",
"bytes_signature": "UÒ°"
},
{
"id": 1193003,
"created_at": "2026-02-16T09:14:50.267736Z",
"text_signature": "checkOnlyEIP7702Authority()",
"hex_signature": "0x2b513ab6",
"bytes_signature": "+Q:¶"
},
{
"id": 1193004,
"created_at": "2026-02-16T09:14:50.275062Z",
"text_signature": "succeeds(uint256)",
"hex_signature": "0x9386fca5",
"bytes_signature": "ü¥"
},
{
"id": 1193005,
"created_at": "2026-02-16T09:14:50.292140Z",
"text_signature": "setOwnerReverts(bool)",
"hex_signature": "0xd88f3521",
"bytes_signature": "Ø5!"
},
{
"id": 1193006,
"created_at": "2026-02-16T09:14:50.297076Z",
"text_signature": "setMaxRoleReverts(bool)",
"hex_signature": "0xbf49eaaf",
"bytes_signature": "¿Iê¯"
},
{
"id": 1193007,
"created_at": "2026-02-16T09:14:50.302627Z",
"text_signature": "setRoleDirect(address,uint256,bool)",
"hex_signature": "0xef9ca031",
"bytes_signature": "ï 1"
},
{
"id": 1193008,
"created_at": "2026-02-16T09:14:50.306066Z",
"text_signature": "setAllowedRole(uint256)",
"hex_signature": "0x1e9ca554",
"bytes_signature": "\u001e¥T"
},
{
"id": 1193009,
"created_at": "2026-02-16T09:14:50.309819Z",
"text_signature": "guardedByOnlyOwnerOrRoles()",
"hex_signature": "0x32a710c4",
"bytes_signature": "2§\u0010Ä"
},
{
"id": 1193010,
"created_at": "2026-02-16T09:14:50.313231Z",
"text_signature": "guardedByOnlyOwnerOrRole()",
"hex_signature": "0x19676d54",
"bytes_signature": "\u0019gmT"
},
{
"id": 1193011,
"created_at": "2026-02-16T09:14:50.316555Z",
"text_signature": "guardedByOnlyRoles()",
"hex_signature": "0xe7412114",
"bytes_signature": "çA!\u0014"
},
{
"id": 1193012,
"created_at": "2026-02-16T09:14:50.326553Z",
"text_signature": "_useVirtualShares()",
"hex_signature": "0x4e7f134b",
"bytes_signature": "N\u0013K"
},
{
"id": 1193013,
"created_at": "2026-02-16T09:14:50.335307Z",
"text_signature": "setMaxTimedRole(uint256)",
"hex_signature": "0xf675131f",
"bytes_signature": "öu\u0013\u001f"
},
{
"id": 1193014,
"created_at": "2026-02-16T09:14:50.338909Z",
"text_signature": "setMaxTimedRoleReverts(bool)",
"hex_signature": "0xf288318c",
"bytes_signature": "ò1"
},
{
"id": 1193015,
"created_at": "2026-02-16T09:14:50.342194Z",
"text_signature": "MAX_TIMED_ROLE()",
"hex_signature": "0x32bc6439",
"bytes_signature": "2¼d9"
},
{
"id": 1193016,
"created_at": "2026-02-16T09:14:50.346752Z",
"text_signature": "setTimedRoleDirect(address,uint256,uint40,uint40)",
"hex_signature": "0x6d43017a",
"bytes_signature": "mC\u0001z"
},
{
"id": 1193017,
"created_at": "2026-02-16T09:14:50.351433Z",
"text_signature": "setAllowedTimedRole(uint256)",
"hex_signature": "0x4cce8e69",
"bytes_signature": "LÎi"
},
{
"id": 1193018,
"created_at": "2026-02-16T09:14:50.355347Z",
"text_signature": "guardedByOnlyOwnerOrTimedRoles()",
"hex_signature": "0x40f52767",
"bytes_signature": "@õ'g"
},
{
"id": 1193019,
"created_at": "2026-02-16T09:14:50.359169Z",
"text_signature": "guardedByOnlyOwnerOrTimedRole()",
"hex_signature": "0xd17fa2f4",
"bytes_signature": "Ñ¢ô"
},
{
"id": 1193020,
"created_at": "2026-02-16T09:14:50.362457Z",
"text_signature": "guardedByOnlyTimedRoles()",
"hex_signature": "0x40b5fc57",
"bytes_signature": "@µüW"
},
{
"id": 1193021,
"created_at": "2026-02-16T09:14:50.376092Z",
"text_signature": "directDelegate(address,address)",
"hex_signature": "0x8019ba7f",
"bytes_signature": "\u0019º"
},
{
"id": 1193022,
"created_at": "2026-02-16T09:14:50.379707Z",
"text_signature": "directIncrementNonce(address)",
"hex_signature": "0xab0ad619",
"bytes_signature": "«\nÖ\u0019"
},
{
"id": 1193023,
"created_at": "2026-02-16T09:14:50.385461Z",
"text_signature": "onlyDuringInitializing()",
"hex_signature": "0xd8c01076",
"bytes_signature": "ØÀ\u0010v"
},
{
"id": 1193024,
"created_at": "2026-02-16T09:14:50.422764Z",
"text_signature": "testDeployDeterministicAndUpgrade()",
"hex_signature": "0x5ad6c6a9",
"bytes_signature": "ZÖÆ©"
},
{
"id": 1193025,
"created_at": "2026-02-16T09:14:50.425175Z",
"text_signature": "testDeployBeaconProxyDeterministicAndUpgrade()",
"hex_signature": "0xf9cf9e65",
"bytes_signature": "ùÏe"
},
{
"id": 1193026,
"created_at": "2026-02-16T09:14:50.439892Z",
"text_signature": "setReceiveNumLoops(uint256)",
"hex_signature": "0xe3f82043",
"bytes_signature": "ãø C"
},
{
"id": 1193027,
"created_at": "2026-02-16T09:14:50.498207Z",
"text_signature": "testForceSafeTransferETH(uint256)",
"hex_signature": "0x788ee0c2",
"bytes_signature": "xàÂ"
},
{
"id": 1193028,
"created_at": "2026-02-16T09:14:50.500420Z",
"text_signature": "_sampleToAndVaultCalldata()",
"hex_signature": "0xd92e475c",
"bytes_signature": "Ù.G\\"
},
{
"id": 1193029,
"created_at": "2026-02-16T09:14:50.502529Z",
"text_signature": "testForceSafeTransferETH()",
"hex_signature": "0x4d53c817",
"bytes_signature": "MSÈ\u0017"
},
{
"id": 1193030,
"created_at": "2026-02-16T09:14:50.555320Z",
"text_signature": "delegateAll(address,bytes32,bool)",
"hex_signature": "0x30ff3140",
"bytes_signature": "0ÿ1@"
},
{
"id": 1193031,
"created_at": "2026-02-16T09:14:50.557641Z",
"text_signature": "delegateContract(address,address,bytes32,bool)",
"hex_signature": "0xd90e73ab",
"bytes_signature": "Ù\u000es«"
},
{
"id": 1193032,
"created_at": "2026-02-16T09:14:50.560271Z",
"text_signature": "delegateERC721(address,address,uint256,bytes32,bool)",
"hex_signature": "0xb18e2bbb",
"bytes_signature": "±+»"
},
{
"id": 1193033,
"created_at": "2026-02-16T09:14:50.562675Z",
"text_signature": "delegateERC20(address,address,bytes32,uint256)",
"hex_signature": "0x003c2ba6",
"bytes_signature": "\u0000<+¦"
},
{
"id": 1193034,
"created_at": "2026-02-16T09:14:50.565253Z",
"text_signature": "delegateERC1155(address,address,uint256,bytes32,uint256)",
"hex_signature": "0xab764683",
"bytes_signature": "«vF"
},
{
"id": 1193035,
"created_at": "2026-02-16T09:14:50.567479Z",
"text_signature": "checkDelegateForAll(address,address,bytes32)",
"hex_signature": "0xe839bd53",
"bytes_signature": "è9½S"
},
{
"id": 1193036,
"created_at": "2026-02-16T09:14:50.570025Z",
"text_signature": "checkDelegateForContract(address,address,address,bytes32)",
"hex_signature": "0x8988eea9",
"bytes_signature": "î©"
},
{
"id": 1193037,
"created_at": "2026-02-16T09:14:50.572544Z",
"text_signature": "checkDelegateForERC721(address,address,address,uint256,bytes32)",
"hex_signature": "0xb9f36874",
"bytes_signature": "¹óht"
},
{
"id": 1193038,
"created_at": "2026-02-16T09:14:50.574728Z",
"text_signature": "checkDelegateForERC20(address,address,address,bytes32)",
"hex_signature": "0xba63c817",
"bytes_signature": "ºcÈ\u0017"
},
{
"id": 1193039,
"created_at": "2026-02-16T09:14:50.577335Z",
"text_signature": "checkDelegateForERC1155(address,address,address,uint256,bytes32)",
"hex_signature": "0xb8705875",
"bytes_signature": "¸pXu"
},
{
"id": 1193040,
"created_at": "2026-02-16T09:14:50.580236Z",
"text_signature": "_etchStopV1()",
"hex_signature": "0x13d9cabe",
"bytes_signature": "\u0013Ùʾ"
},
{
"id": 1193041,
"created_at": "2026-02-16T09:14:50.582402Z",
"text_signature": "_etchStopV2()",
"hex_signature": "0x18dd0520",
"bytes_signature": "\u0018Ý\u0005 "
},
{
"id": 1193042,
"created_at": "2026-02-16T09:14:50.584657Z",
"text_signature": "_randomAmount()",
"hex_signature": "0xd1100b9f",
"bytes_signature": "Ñ\u0010\u000b"
},
{
"id": 1193043,
"created_at": "2026-02-16T09:14:50.587013Z",
"text_signature": "_maybeDelegateAll(address,address,bytes32)",
"hex_signature": "0x1db3cefe",
"bytes_signature": "\u001d³Îþ"
},
{
"id": 1193044,
"created_at": "2026-02-16T09:14:50.589099Z",
"text_signature": "_maybeDelegateContract(address,address,address,bytes32)",
"hex_signature": "0xab6a3130",
"bytes_signature": "«j10"
},
{
"id": 1193045,
"created_at": "2026-02-16T09:14:50.591280Z",
"text_signature": "_maybeDelegateERC721(address,address,address,uint256,bytes32)",
"hex_signature": "0x89a9951a",
"bytes_signature": "©\u001a"
},
{
"id": 1193046,
"created_at": "2026-02-16T09:14:50.593415Z",
"text_signature": "_maybeDelegateERC20(address,address,address,bytes32)",
"hex_signature": "0x0e6bc3a4",
"bytes_signature": "\u000ekä"
},
{
"id": 1193047,
"created_at": "2026-02-16T09:14:50.595569Z",
"text_signature": "_maybeDelegateERC1155(address,address,address,uint256,bytes32)",
"hex_signature": "0x7dfa8502",
"bytes_signature": "}ú
\u0002"
},
{
"id": 1193048,
"created_at": "2026-02-16T09:14:50.597684Z",
"text_signature": "_maybeMutateRights(bytes32)",
"hex_signature": "0xdae11eb1",
"bytes_signature": "Úá\u001e±"
},
{
"id": 1193049,
"created_at": "2026-02-16T09:14:50.599743Z",
"text_signature": "_maybeMutateId(uint256)",
"hex_signature": "0xae3662d5",
"bytes_signature": "®6bÕ"
},
{
"id": 1193050,
"created_at": "2026-02-16T09:14:50.601788Z",
"text_signature": "_checkDelegateForAll(address,address)",
"hex_signature": "0x189d1d9d",
"bytes_signature": "\u0018\u001d"
},
{
"id": 1193051,
"created_at": "2026-02-16T09:14:50.604042Z",
"text_signature": "_checkDelegateForAll(address,address,bytes32)",
"hex_signature": "0xde831ad8",
"bytes_signature": "Þ\u001aØ"
},
{
"id": 1193052,
"created_at": "2026-02-16T09:14:50.606305Z",
"text_signature": "_checkDelegateForContract(address,address,address)",
"hex_signature": "0xb8268bd3",
"bytes_signature": "¸&Ó"
},
{
"id": 1193053,
"created_at": "2026-02-16T09:14:50.608715Z",
"text_signature": "_checkDelegateForContract(address,address,address,bytes32)",
"hex_signature": "0x76942cac",
"bytes_signature": "v,¬"
},
{
"id": 1193054,
"created_at": "2026-02-16T09:14:50.611009Z",
"text_signature": "_checkDelegateForERC721(address,address,address,uint256)",
"hex_signature": "0xb05aae50",
"bytes_signature": "°Z®P"
},
{
"id": 1193055,
"created_at": "2026-02-16T09:14:50.613180Z",
"text_signature": "_checkDelegateForERC721(address,address,address,uint256,bytes32)",
"hex_signature": "0x7f9f2395",
"bytes_signature": "#"
},
{
"id": 1193056,
"created_at": "2026-02-16T09:14:50.615269Z",
"text_signature": "_checkDelegateForERC20(address,address,address)",
"hex_signature": "0x89d7fa2d",
"bytes_signature": "×ú-"
},
{
"id": 1193057,
"created_at": "2026-02-16T09:14:50.617433Z",
"text_signature": "_checkDelegateForERC20(address,address,address,bytes32)",
"hex_signature": "0x2e65dd5a",
"bytes_signature": ".eÝZ"
},
{
"id": 1193058,
"created_at": "2026-02-16T09:14:50.619714Z",
"text_signature": "_checkDelegateForERC1155(address,address,address,uint256)",
"hex_signature": "0x41ac7f78",
"bytes_signature": "A¬x"
},
{
"id": 1193059,
"created_at": "2026-02-16T09:14:50.622061Z",
"text_signature": "_checkDelegateForERC1155(address,address,address,uint256,bytes32)",
"hex_signature": "0x04acc3e7",
"bytes_signature": "\u0004¬Ãç"
},
{
"id": 1193060,
"created_at": "2026-02-16T09:14:50.624125Z",
"text_signature": "testCheckDelegateForAll()",
"hex_signature": "0xed98f196",
"bytes_signature": "íñ"
},
{
"id": 1193061,
"created_at": "2026-02-16T09:14:50.626109Z",
"text_signature": "testCheckDelegateForAll(address,address,bytes32)",
"hex_signature": "0xa38caac0",
"bytes_signature": "£ªÀ"
},
{
"id": 1193062,
"created_at": "2026-02-16T09:14:50.628392Z",
"text_signature": "testCheckDelegateForContract()",
"hex_signature": "0xa3fea6c7",
"bytes_signature": "£þ¦Ç"
},
{
"id": 1193063,
"created_at": "2026-02-16T09:14:50.631155Z",
"text_signature": "testCheckDelegateForContract(address,address,address,bytes32)",
"hex_signature": "0x5fdac0ef",
"bytes_signature": "_ÚÀï"
},
{
"id": 1193064,
"created_at": "2026-02-16T09:14:50.633602Z",
"text_signature": "testCheckDelegateForERC721()",
"hex_signature": "0x7e84aa23",
"bytes_signature": "~ª#"
},
{
"id": 1193065,
"created_at": "2026-02-16T09:14:50.636575Z",
"text_signature": "testCheckDelegateForERC721(address,address,address,uint256,bytes32)",
"hex_signature": "0xe0ced802",
"bytes_signature": "àÎØ\u0002"
},
{
"id": 1193066,
"created_at": "2026-02-16T09:14:50.639693Z",
"text_signature": "testCheckDelegateForERC20()",
"hex_signature": "0xc196fa8f",
"bytes_signature": "Áú"
},
{
"id": 1193067,
"created_at": "2026-02-16T09:14:50.642024Z",
"text_signature": "testCheckDelegateForERC20(address,address,address,bytes32)",
"hex_signature": "0x897bcbaf",
"bytes_signature": "{˯"
},
{
"id": 1193068,
"created_at": "2026-02-16T09:14:50.644318Z",
"text_signature": "testCheckDelegateForERC1155()",
"hex_signature": "0x29dd01a4",
"bytes_signature": ")Ý\u0001¤"
},
{
"id": 1193069,
"created_at": "2026-02-16T09:14:50.646429Z",
"text_signature": "testCheckDelegateForERC1155(address,address,address,uint256,bytes32)",
"hex_signature": "0xdb92f917",
"bytes_signature": "Ûù\u0017"
},
{
"id": 1193070,
"created_at": "2026-02-16T09:14:50.648419Z",
"text_signature": "_uintMaxIfTrueElse0(bool)",
"hex_signature": "0xd905c89e",
"bytes_signature": "Ù\u0005È"
},
{
"id": 1193071,
"created_at": "2026-02-16T09:14:50.651156Z",
"text_signature": "G1_GENERATOR()",
"hex_signature": "0x16babd74",
"bytes_signature": "\u0016º½t"
},
{
"id": 1193072,
"created_at": "2026-02-16T09:14:50.653447Z",
"text_signature": "NEGATED_G1_GENERATOR()",
"hex_signature": "0x9ab87735",
"bytes_signature": "¸w5"
},
{
"id": 1193073,
"created_at": "2026-02-16T09:14:50.655790Z",
"text_signature": "_u(uint256)",
"hex_signature": "0x701402fb",
"bytes_signature": "p\u0014\u0002û"
},
{
"id": 1193074,
"created_at": "2026-02-16T09:14:50.657955Z",
"text_signature": "testSignAndVerify()",
"hex_signature": "0x9256c7da",
"bytes_signature": "VÇÚ"
},
{
"id": 1193075,
"created_at": "2026-02-16T09:14:50.659971Z",
"text_signature": "testSignAndVerifyAggregated()",
"hex_signature": "0x8cf76f66",
"bytes_signature": "÷of"
},
{
"id": 1193076,
"created_at": "2026-02-16T09:14:50.662099Z",
"text_signature": "testHashToCurveG2()",
"hex_signature": "0xd013d034",
"bytes_signature": "Ð\u0013Ð4"
},
{
"id": 1193077,
"created_at": "2026-02-16T09:14:50.664121Z",
"text_signature": "_modfield(bytes32,bytes32)",
"hex_signature": "0xeb6490f1",
"bytes_signature": "ëdñ"
},
{
"id": 1193078,
"created_at": "2026-02-16T09:14:50.669501Z",
"text_signature": "burnUnchecked(address,address,uint256,uint256)",
"hex_signature": "0x592c6ccc",
"bytes_signature": "Y,lÌ"
},
{
"id": 1193079,
"created_at": "2026-02-16T09:14:50.672104Z",
"text_signature": "setApprovalForAllUnchecked(address,address,bool)",
"hex_signature": "0xbab23778",
"bytes_signature": "º²7x"
},
{
"id": 1193080,
"created_at": "2026-02-16T09:14:50.680731Z",
"text_signature": "isValidSignatureNow(address,bytes32,bytes32,bytes32)",
"hex_signature": "0x047aa5f5",
"bytes_signature": "\u0004z¥õ"
},
{
"id": 1193081,
"created_at": "2026-02-16T09:14:50.683981Z",
"text_signature": "isValidSignatureNow(address,bytes32,uint8,bytes32,bytes32)",
"hex_signature": "0xa67ba174",
"bytes_signature": "¦{¡t"
},
{
"id": 1193082,
"created_at": "2026-02-16T09:14:50.687247Z",
"text_signature": "isValidERC1271SignatureNow(address,bytes32,bytes32,bytes32)",
"hex_signature": "0x5241168a",
"bytes_signature": "RA\u0016"
},
{
"id": 1193083,
"created_at": "2026-02-16T09:14:50.691359Z",
"text_signature": "isValidERC1271SignatureNow(address,bytes32,uint8,bytes32,bytes32)",
"hex_signature": "0x97540285",
"bytes_signature": "T\u0002
"
},
{
"id": 1193084,
"created_at": "2026-02-16T09:14:50.707430Z",
"text_signature": "forceSafeTransferETHGas(address,uint256,uint256)",
"hex_signature": "0xa14b8e3c",
"bytes_signature": "¡K<"
},
{
"id": 1193085,
"created_at": "2026-02-16T09:14:50.717793Z",
"text_signature": "balanceOfoor(address,address)",
"hex_signature": "0x6e1b9295",
"bytes_signature": "n\u001b"
},
{
"id": 1193086,
"created_at": "2026-02-16T09:14:50.731754Z",
"text_signature": "burnZero(uint256)",
"hex_signature": "0x976d3704",
"bytes_signature": "m7\u0004"
},
{
"id": 1193087,
"created_at": "2026-02-16T09:14:50.858953Z",
"text_signature": "_query(bytes32,uint256)",
"hex_signature": "0x05904604",
"bytes_signature": "\u0005F\u0004"
},
{
"id": 1193088,
"created_at": "2026-02-16T09:14:50.864074Z",
"text_signature": "bumpFreeMemoryPointer()",
"hex_signature": "0xc0511623",
"bytes_signature": "ÀQ\u0016#"
},
{
"id": 1193089,
"created_at": "2026-02-16T09:14:50.872213Z",
"text_signature": "initCode(address)",
"hex_signature": "0x21b7cd61",
"bytes_signature": "!·Ía"
},
{
"id": 1193090,
"created_at": "2026-02-16T09:14:50.878425Z",
"text_signature": "initCode_PUSH0(address)",
"hex_signature": "0x1a690bd7",
"bytes_signature": "\u001ai\u000b×"
},
{
"id": 1193091,
"created_at": "2026-02-16T09:14:50.887821Z",
"text_signature": "initCodeERC1967(address)",
"hex_signature": "0x4167d739",
"bytes_signature": "Ag×9"
},
{
"id": 1193092,
"created_at": "2026-02-16T09:14:50.893107Z",
"text_signature": "deployERC1967I(uint256,address)",
"hex_signature": "0x653db6ad",
"bytes_signature": "e=¶"
},
{
"id": 1193093,
"created_at": "2026-02-16T09:14:50.896116Z",
"text_signature": "deployDeterministicERC1967I(uint256,address,bytes32)",
"hex_signature": "0x8a4fd8f6",
"bytes_signature": "OØö"
},
{
"id": 1193094,
"created_at": "2026-02-16T09:14:50.899187Z",
"text_signature": "createDeterministicERC1967I(uint256,address,bytes32)",
"hex_signature": "0xcf7e386d",
"bytes_signature": "Ï~8m"
},
{
"id": 1193095,
"created_at": "2026-02-16T09:14:50.901639Z",
"text_signature": "initCodeERC1967I(address)",
"hex_signature": "0xf89ee9b6",
"bytes_signature": "øé¶"
}
]
}