HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1172230,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=144",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=142",
"results": [
{
"id": 1191125,
"created_at": "2026-02-16T08:15:51.514957Z",
"text_signature": "getCurrentRefundChain()",
"hex_signature": "0x895dc921",
"bytes_signature": "]É!"
},
{
"id": 1191124,
"created_at": "2026-02-16T08:15:51.512406Z",
"text_signature": "clearRefundInformation()",
"hex_signature": "0x7229206c",
"bytes_signature": "r) l"
},
{
"id": 1191123,
"created_at": "2026-02-16T08:15:51.509977Z",
"text_signature": "recordRefundInformation(uint16,bytes32)",
"hex_signature": "0x21621de7",
"bytes_signature": "!b\u001dç"
},
{
"id": 1191122,
"created_at": "2026-02-16T08:15:51.507204Z",
"text_signature": "getWormholeMessageFee()",
"hex_signature": "0x22dfbee5",
"bytes_signature": "\"ß¾å"
},
{
"id": 1191121,
"created_at": "2026-02-16T08:15:51.504498Z",
"text_signature": "getWormhole()",
"hex_signature": "0x8e484e7b",
"bytes_signature": "HN{"
},
{
"id": 1191120,
"created_at": "2026-02-16T08:15:51.499742Z",
"text_signature": "getDeliveryTmpState()",
"hex_signature": "0xe6015465",
"bytes_signature": "æ\u0001Te"
},
{
"id": 1191119,
"created_at": "2026-02-16T08:15:51.497406Z",
"text_signature": "getReentrancyGuardState()",
"hex_signature": "0xe3f58772",
"bytes_signature": "ãõr"
},
{
"id": 1191118,
"created_at": "2026-02-16T08:15:51.495129Z",
"text_signature": "getDeliveryFailureState()",
"hex_signature": "0x2655861d",
"bytes_signature": "&U\u001d"
},
{
"id": 1191117,
"created_at": "2026-02-16T08:15:51.492721Z",
"text_signature": "getDeliverySuccessState()",
"hex_signature": "0x11902939",
"bytes_signature": "\u0011)9"
},
{
"id": 1191116,
"created_at": "2026-02-16T08:15:51.490495Z",
"text_signature": "getRegisteredWormholeRelayersState()",
"hex_signature": "0x66f30c5e",
"bytes_signature": "fó\f^"
},
{
"id": 1191115,
"created_at": "2026-02-16T08:15:51.487800Z",
"text_signature": "getDefaultDeliveryProviderState()",
"hex_signature": "0x073bc7e3",
"bytes_signature": "\u0007;Çã"
},
{
"id": 1191114,
"created_at": "2026-02-16T08:15:51.485439Z",
"text_signature": "getGovernanceState()",
"hex_signature": "0x2c5b9c8d",
"bytes_signature": ",["
},
{
"id": 1191113,
"created_at": "2026-02-16T08:15:51.482019Z",
"text_signature": "executeUpgradeMigration()",
"hex_signature": "0xc8ca1e43",
"bytes_signature": "ÈÊ\u001eC"
},
{
"id": 1191112,
"created_at": "2026-02-16T08:15:51.477732Z",
"text_signature": "fromWormholeFormatUnchecked(bytes32)",
"hex_signature": "0x1a81f5bb",
"bytes_signature": "\u001aõ»"
},
{
"id": 1191111,
"created_at": "2026-02-16T08:15:51.475445Z",
"text_signature": "fromWormholeFormat(bytes32)",
"hex_signature": "0xe17563df",
"bytes_signature": "áucß"
},
{
"id": 1191110,
"created_at": "2026-02-16T08:15:51.472801Z",
"text_signature": "toWormholeFormat(address)",
"hex_signature": "0xaf24c7b0",
"bytes_signature": "¯$Ç°"
},
{
"id": 1191109,
"created_at": "2026-02-16T08:15:51.468145Z",
"text_signature": "getEmptyEvmExecutionParamsV1()",
"hex_signature": "0x191889ca",
"bytes_signature": "\u0019\u0018Ê"
},
{
"id": 1191108,
"created_at": "2026-02-16T08:15:51.465137Z",
"text_signature": "checkBound(uint256,uint256)",
"hex_signature": "0x63f1d11e",
"bytes_signature": "cñÑ\u001e"
},
{
"id": 1191107,
"created_at": "2026-02-16T08:15:51.460952Z",
"text_signature": "getRegisteredContractAddress(uint16)",
"hex_signature": "0x475888d2",
"bytes_signature": "GXÒ"
},
{
"id": 1191106,
"created_at": "2026-02-16T08:15:51.457790Z",
"text_signature": "registerEmitter(uint16,bytes32)",
"hex_signature": "0xbca4b0fa",
"bytes_signature": "¼¤°ú"
},
{
"id": 1191105,
"created_at": "2026-02-16T08:15:51.454504Z",
"text_signature": "getMessageHistory()",
"hex_signature": "0x75abf685",
"bytes_signature": "u«ö
"
},
{
"id": 1191104,
"created_at": "2026-02-16T08:15:51.451864Z",
"text_signature": "getDeliveryData()",
"hex_signature": "0xda974c2b",
"bytes_signature": "ÚL+"
},
{
"id": 1191103,
"created_at": "2026-02-16T08:15:51.448797Z",
"text_signature": "resend(uint16,uint64,uint16,uint32,uint128)",
"hex_signature": "0x899820c9",
"bytes_signature": " É"
},
{
"id": 1191102,
"created_at": "2026-02-16T08:15:51.445952Z",
"text_signature": "sendMessageWithReentrantDelivery(uint16,uint32,uint128)",
"hex_signature": "0x0298b295",
"bytes_signature": "\u0002²"
},
{
"id": 1191101,
"created_at": "2026-02-16T08:15:51.438911Z",
"text_signature": "testGasMin(uint64,uint64)",
"hex_signature": "0x0b787083",
"bytes_signature": "\u000bxp"
},
{
"id": 1191100,
"created_at": "2026-02-16T08:15:51.436556Z",
"text_signature": "testDollarToGas(uint128)",
"hex_signature": "0x2f38face",
"bytes_signature": "/8úÎ"
},
{
"id": 1191099,
"created_at": "2026-02-16T08:15:51.433892Z",
"text_signature": "testDollarToWei(uint128)",
"hex_signature": "0xbacf32cb",
"bytes_signature": "ºÏ2Ë"
},
{
"id": 1191098,
"created_at": "2026-02-16T08:15:51.431167Z",
"text_signature": "sourceWeiToTargetGas(uint64)",
"hex_signature": "0xa197f049",
"bytes_signature": "¡ðI"
},
{
"id": 1191097,
"created_at": "2026-02-16T08:15:51.427789Z",
"text_signature": "convertAsset(uint64,uint64,uint64,uint32,uint32,bool)",
"hex_signature": "0xb9d161b2",
"bytes_signature": "¹Ña²"
},
{
"id": 1191096,
"created_at": "2026-02-16T08:15:51.423696Z",
"text_signature": "testGasToWei(uint64)",
"hex_signature": "0xbd3c1259",
"bytes_signature": "½<\u0012Y"
},
{
"id": 1191095,
"created_at": "2026-02-16T08:15:51.420461Z",
"text_signature": "testWeiToGas(uint64)",
"hex_signature": "0xa8959547",
"bytes_signature": "¨G"
},
{
"id": 1191094,
"created_at": "2026-02-16T08:15:51.417111Z",
"text_signature": "testWeiBasic(uint64)",
"hex_signature": "0x01c4df77",
"bytes_signature": "\u0001Äßw"
},
{
"id": 1191093,
"created_at": "2026-02-16T08:15:51.412118Z",
"text_signature": "relay(uint16)",
"hex_signature": "0xa595b6bf",
"bytes_signature": "¥¶¿"
},
{
"id": 1191092,
"created_at": "2026-02-16T08:15:51.408403Z",
"text_signature": "setProviderDeliveryAddress(uint16,address)",
"hex_signature": "0x153cb5fc",
"bytes_signature": "\u0015<µü"
},
{
"id": 1191091,
"created_at": "2026-02-16T08:15:51.404630Z",
"text_signature": "setWormholeRelayerContract(uint16,address)",
"hex_signature": "0x7b6aa673",
"bytes_signature": "{j¦s"
},
{
"id": 1191090,
"created_at": "2026-02-16T08:15:51.400997Z",
"text_signature": "getPastDeliveryVAA(uint16,uint64)",
"hex_signature": "0x80cb624d",
"bytes_signature": "ËbM"
},
{
"id": 1191089,
"created_at": "2026-02-16T08:15:51.397279Z",
"text_signature": "getPastEncodedVMs(uint16,uint64)",
"hex_signature": "0xd6fef2e4",
"bytes_signature": "Öþòä"
},
{
"id": 1191088,
"created_at": "2026-02-16T08:15:51.392533Z",
"text_signature": "setUpDeliveryProvider(uint16)",
"hex_signature": "0x80e73b4d",
"bytes_signature": "ç;M"
},
{
"id": 1191087,
"created_at": "2026-02-16T08:15:51.388755Z",
"text_signature": "setUpWormhole(uint16)",
"hex_signature": "0xf25a40f9",
"bytes_signature": "òZ@ù"
},
{
"id": 1191086,
"created_at": "2026-02-16T08:15:51.384543Z",
"text_signature": "testUpgradeContractToItself()",
"hex_signature": "0x5719ad2e",
"bytes_signature": "W\u0019."
},
{
"id": 1191085,
"created_at": "2026-02-16T08:15:51.380756Z",
"text_signature": "testRegisterChain()",
"hex_signature": "0x4d3ad82a",
"bytes_signature": "M:Ø*"
},
{
"id": 1191084,
"created_at": "2026-02-16T08:15:51.376897Z",
"text_signature": "testSetDefaultDeliveryProvider()",
"hex_signature": "0xa95a8f56",
"bytes_signature": "©ZV"
},
{
"id": 1191083,
"created_at": "2026-02-16T08:15:51.371217Z",
"text_signature": "testIsMessageKeyTypeSupported(uint8)",
"hex_signature": "0xa5aebfed",
"bytes_signature": "¥®¿í"
},
{
"id": 1191082,
"created_at": "2026-02-16T08:15:51.367972Z",
"text_signature": "testQuoteDeliveryPrice(uint16,uint64,uint64,uint64,uint64,uint32,uint32,uint64)",
"hex_signature": "0xd5d1f06d",
"bytes_signature": "ÕÑðm"
},
{
"id": 1191081,
"created_at": "2026-02-16T08:15:51.364682Z",
"text_signature": "testQuoteDeliveryOverhead(uint16,uint64,uint64,uint64,uint64,uint32)",
"hex_signature": "0x2c4c4a06",
"bytes_signature": ",LJ\u0006"
},
{
"id": 1191080,
"created_at": "2026-02-16T08:15:51.362169Z",
"text_signature": "testUpdateTargetChainContracts(uint16,bytes32)",
"hex_signature": "0x3e7a61ba",
"bytes_signature": ">zaº"
},
{
"id": 1191079,
"created_at": "2026-02-16T08:15:51.359678Z",
"text_signature": "testBulkUpdatePrices(uint16,uint64,uint64,uint64,uint64)",
"hex_signature": "0x44cd28a8",
"bytes_signature": "DÍ(¨"
},
{
"id": 1191078,
"created_at": "2026-02-16T08:15:51.356942Z",
"text_signature": "testUpdatePrice(uint16,uint64,uint64,uint64,uint64)",
"hex_signature": "0x16d7d1f3",
"bytes_signature": "\u0016×Ñó"
},
{
"id": 1191077,
"created_at": "2026-02-16T08:15:51.353811Z",
"text_signature": "initializeDeliveryProvider()",
"hex_signature": "0x41938f28",
"bytes_signature": "A("
},
{
"id": 1191076,
"created_at": "2026-02-16T08:15:51.351202Z",
"text_signature": "testExecuteInstructionTruncatesLongRevertBuffers()",
"hex_signature": "0xe1efe4e2",
"bytes_signature": "áïäâ"
},
{
"id": 1191075,
"created_at": "2026-02-16T08:15:51.347903Z",
"text_signature": "testEncodeAndDecodeMessageKeyDifferentType()",
"hex_signature": "0x03a26e37",
"bytes_signature": "\u0003¢n7"
},
{
"id": 1191074,
"created_at": "2026-02-16T08:15:51.345793Z",
"text_signature": "testEncodeAndDecodeMessageKeyArray(uint8,uint8)",
"hex_signature": "0x17942ec1",
"bytes_signature": "\u0017.Á"
},
{
"id": 1191073,
"created_at": "2026-02-16T08:15:51.343102Z",
"text_signature": "testRevertEncodeAndDecodeTooLongMessageKeyArray()",
"hex_signature": "0xd461fb5d",
"bytes_signature": "Ôaû]"
},
{
"id": 1191072,
"created_at": "2026-02-16T08:15:51.340853Z",
"text_signature": "testEncodeAndDecodeMessageKey()",
"hex_signature": "0xd2d75e37",
"bytes_signature": "Ò×^7"
},
{
"id": 1191071,
"created_at": "2026-02-16T08:15:51.338631Z",
"text_signature": "testEncodeAndDecodeVaaKey()",
"hex_signature": "0xf345ee15",
"bytes_signature": "óEî\u0015"
},
{
"id": 1191070,
"created_at": "2026-02-16T08:15:51.336090Z",
"text_signature": "testToAndFromWormholeFormat(address)",
"hex_signature": "0x1e3ee248",
"bytes_signature": "\u001e>âH"
},
{
"id": 1191069,
"created_at": "2026-02-16T08:15:51.333624Z",
"text_signature": "vaaKeyArray(uint16,uint64,address)",
"hex_signature": "0x375459c6",
"bytes_signature": "7TYÆ"
},
{
"id": 1191068,
"created_at": "2026-02-16T08:15:51.330992Z",
"text_signature": "getRefundStatus()",
"hex_signature": "0x1e28ecad",
"bytes_signature": "\u001e(ì"
},
{
"id": 1191067,
"created_at": "2026-02-16T08:15:51.328287Z",
"text_signature": "getDeliveryStatus()",
"hex_signature": "0xfb501c8b",
"bytes_signature": "ûP\u001c"
},
{
"id": 1191066,
"created_at": "2026-02-16T08:15:51.325007Z",
"text_signature": "setUpChains(uint16)",
"hex_signature": "0xbcfe0eb9",
"bytes_signature": "¼þ\u000e¹"
},
{
"id": 1191065,
"created_at": "2026-02-16T08:15:51.307377Z",
"text_signature": "overrideToDevnetGuardian(address)",
"hex_signature": "0xfa29f2a9",
"bytes_signature": "ú)ò©"
},
{
"id": 1191031,
"created_at": "2026-02-14T18:00:12.808412Z",
"text_signature": "setProtocolFeeRate(uint24)",
"hex_signature": "0xa9de2ff7",
"bytes_signature": "©Þ/÷"
},
{
"id": 1191030,
"created_at": "2026-02-14T18:00:12.805377Z",
"text_signature": "setPlatformTreasury(address)",
"hex_signature": "0x7cd86d60",
"bytes_signature": "|Øm`"
},
{
"id": 1191029,
"created_at": "2026-02-14T18:00:12.802451Z",
"text_signature": "setPariMutuelImplementation(address)",
"hex_signature": "0x952dd465",
"bytes_signature": "-Ôe"
},
{
"id": 1191028,
"created_at": "2026-02-14T18:00:12.799211Z",
"text_signature": "setOutcomeTokenImplementation(address)",
"hex_signature": "0x4321bbca",
"bytes_signature": "C!»Ê"
},
{
"id": 1191027,
"created_at": "2026-02-14T18:00:12.796198Z",
"text_signature": "setMarketCloseBufferEpochs(uint32)",
"hex_signature": "0x91fa52f4",
"bytes_signature": "úRô"
},
{
"id": 1191026,
"created_at": "2026-02-14T18:00:12.793053Z",
"text_signature": "setAMMImplementation(address)",
"hex_signature": "0xdcd0c1bb",
"bytes_signature": "ÜÐÁ»"
},
{
"id": 1191025,
"created_at": "2026-02-14T18:00:12.789510Z",
"text_signature": "removeCollateralFromWhitelist(address)",
"hex_signature": "0xad0ce861",
"bytes_signature": "\fèa"
},
{
"id": 1191024,
"created_at": "2026-02-14T18:00:12.785108Z",
"text_signature": "pariMutuelImplementation()",
"hex_signature": "0x25f2ae8d",
"bytes_signature": "%ò®"
},
{
"id": 1191023,
"created_at": "2026-02-14T18:00:12.782270Z",
"text_signature": "pariMutuelExists(address)",
"hex_signature": "0x76944f90",
"bytes_signature": "vO"
},
{
"id": 1191022,
"created_at": "2026-02-14T18:00:12.778213Z",
"text_signature": "outcomeTokenImplementation()",
"hex_signature": "0x67bcddec",
"bytes_signature": "g¼Ýì"
},
{
"id": 1191021,
"created_at": "2026-02-14T18:00:12.773573Z",
"text_signature": "marketCloseBufferEpochs()",
"hex_signature": "0xab4e285f",
"bytes_signature": "«N(_"
},
{
"id": 1191020,
"created_at": "2026-02-14T18:00:12.770380Z",
"text_signature": "isCollateralWhitelisted(address)",
"hex_signature": "0xf46228e5",
"bytes_signature": "ôb(å"
},
{
"id": 1191019,
"created_at": "2026-02-14T18:00:12.767527Z",
"text_signature": "getWhitelistedCollaterals()",
"hex_signature": "0x90a72c0b",
"bytes_signature": "§,\u000b"
},
{
"id": 1191018,
"created_at": "2026-02-14T18:00:12.764377Z",
"text_signature": "getPariMutuelByPoll(address)",
"hex_signature": "0x4bbdb01d",
"bytes_signature": "K½°\u001d"
},
{
"id": 1191017,
"created_at": "2026-02-14T18:00:12.761409Z",
"text_signature": "getMarketsState(address[])",
"hex_signature": "0x0c849181",
"bytes_signature": "\f"
},
{
"id": 1191016,
"created_at": "2026-02-14T18:00:12.758639Z",
"text_signature": "getMarketByPoll(address)",
"hex_signature": "0x5ab91b4f",
"bytes_signature": "Z¹\u001bO"
},
{
"id": 1191015,
"created_at": "2026-02-14T18:00:12.755641Z",
"text_signature": "createPariMutuel(address,address,uint256,uint256[2],uint8,uint24)",
"hex_signature": "0x0a7adc81",
"bytes_signature": "\nzÜ"
},
{
"id": 1191014,
"created_at": "2026-02-14T18:00:12.751797Z",
"text_signature": "createMarket(address,address,uint256,uint256[2],uint24,uint24)",
"hex_signature": "0x79195436",
"bytes_signature": "y\u0019T6"
},
{
"id": 1191013,
"created_at": "2026-02-14T18:00:12.747107Z",
"text_signature": "addCollateralToWhitelist(address)",
"hex_signature": "0x11c3f898",
"bytes_signature": "\u0011Ãø"
},
{
"id": 1191012,
"created_at": "2026-02-14T18:00:12.743747Z",
"text_signature": "MIN_FEE_TIER()",
"hex_signature": "0xdee91845",
"bytes_signature": "Þé\u0018E"
},
{
"id": 1191011,
"created_at": "2026-02-14T18:00:12.739446Z",
"text_signature": "MAX_PROTOCOL_FEE_RATE()",
"hex_signature": "0x02d4835a",
"bytes_signature": "\u0002ÔZ"
},
{
"id": 1191010,
"created_at": "2026-02-14T18:00:12.730081Z",
"text_signature": "MAX_FEE_TIER()",
"hex_signature": "0x38c65e7c",
"bytes_signature": "8Æ^|"
},
{
"id": 1191009,
"created_at": "2026-02-14T10:09:14.364681Z",
"text_signature": "getVaultAddresses(address)",
"hex_signature": "0x695ee8de",
"bytes_signature": "i^èÞ"
},
{
"id": 1191008,
"created_at": "2026-02-14T02:01:23.980518Z",
"text_signature": "InvalidInstructionType()",
"hex_signature": "0xf5780839",
"bytes_signature": "õx\b9"
},
{
"id": 1191007,
"created_at": "2026-02-13T18:01:08.430050Z",
"text_signature": "smartMigrate((((address,bytes,uint256),(address,bytes,uint256),(address,address,address[],uint256[]),address,address,uint256),bytes))",
"hex_signature": "0xb928a355",
"bytes_signature": "¹(£U"
},
{
"id": 1191006,
"created_at": "2026-02-13T18:01:08.016078Z",
"text_signature": "updateVaultsIssuances(uint48[],uint48[],uint8[])",
"hex_signature": "0xc39bb8af",
"bytes_signature": "ø¯"
},
{
"id": 1191005,
"created_at": "2026-02-13T18:01:08.011522Z",
"text_signature": "timestampStatusChanged()",
"hex_signature": "0xc713b7ac",
"bytes_signature": "Ç\u0013·¬"
},
{
"id": 1191004,
"created_at": "2026-02-13T18:01:08.007819Z",
"text_signature": "sir()",
"hex_signature": "0x124b4e63",
"bytes_signature": "\u0012KNc"
},
{
"id": 1191003,
"created_at": "2026-02-13T18:01:08.004119Z",
"text_signature": "setLPFee(uint16)",
"hex_signature": "0xe87d80b3",
"bytes_signature": "è}³"
},
{
"id": 1191002,
"created_at": "2026-02-13T18:01:08.000935Z",
"text_signature": "setBaseFee(uint16)",
"hex_signature": "0x3b586c7f",
"bytes_signature": ";Xl"
},
{
"id": 1191001,
"created_at": "2026-02-13T18:01:07.997394Z",
"text_signature": "saveFunds(address[],address)",
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{
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{
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{
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"bytes_signature": "\"½½"
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{
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"bytes_signature": "ºã\n"
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{
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{
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"text_signature": "marketStartTimestamp()",
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"bytes_signature": "Ê\u0012 "
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{
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{
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"text_signature": "getPositionPayout(address)",
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}