HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1185739,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&page=141",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&page=139",
"results": [
{
"id": 1204935,
"created_at": "2026-04-26T18:03:03.525465Z",
"text_signature": "transfer(uint256,uint256,uint256,address,uint256,bytes,(address,uint256)[])",
"hex_signature": "0x08af27de",
"bytes_signature": "\b¯'Þ"
},
{
"id": 1204934,
"created_at": "2026-04-26T04:38:37.945258Z",
"text_signature": "setSimulateIncompleteRound(bool)",
"hex_signature": "0x303b03f7",
"bytes_signature": "0;\u0003÷"
},
{
"id": 1204933,
"created_at": "2026-04-26T04:38:37.940179Z",
"text_signature": "IsPausedUpdated(bool,bool)",
"hex_signature": "0x4dd299e1",
"bytes_signature": "MÒá"
},
{
"id": 1204932,
"created_at": "2026-04-26T04:38:37.936817Z",
"text_signature": "setPrice(bytes32,int64,uint64,int32)",
"hex_signature": "0xda2284af",
"bytes_signature": "Ú\"¯"
},
{
"id": 1204931,
"created_at": "2026-04-26T04:38:37.930854Z",
"text_signature": "setConfig((uint48,uint48,uint32))",
"hex_signature": "0xbd81af3d",
"bytes_signature": "½¯="
},
{
"id": 1204930,
"created_at": "2026-04-26T04:38:37.926457Z",
"text_signature": "setMaxExchangeRateDeviationBps(uint16)",
"hex_signature": "0x7cd47073",
"bytes_signature": "|Ôps"
},
{
"id": 1204929,
"created_at": "2026-04-26T04:38:37.923280Z",
"text_signature": "ExchangeRateSet(uint96,uint96)",
"hex_signature": "0x94a3cbc8",
"bytes_signature": "£ËÈ"
},
{
"id": 1204928,
"created_at": "2026-04-26T04:38:37.918989Z",
"text_signature": "rateFeed()",
"hex_signature": "0xdd30b57f",
"bytes_signature": "Ý0µ"
},
{
"id": 1204927,
"created_at": "2026-04-26T04:38:37.912788Z",
"text_signature": "RateRoundIncomplete()",
"hex_signature": "0x5d7a48d0",
"bytes_signature": "]zHÐ"
},
{
"id": 1204926,
"created_at": "2026-04-26T04:38:37.909346Z",
"text_signature": "PythCallFailed()",
"hex_signature": "0xe0233971",
"bytes_signature": "à#9q"
},
{
"id": 1204925,
"created_at": "2026-04-26T04:38:37.905934Z",
"text_signature": "PriceAboveCeiling(int256,uint64)",
"hex_signature": "0x5861ff61",
"bytes_signature": "Xaÿa"
},
{
"id": 1204924,
"created_at": "2026-04-26T04:38:37.902229Z",
"text_signature": "InvalidPriceBounds()",
"hex_signature": "0x79ee3325",
"bytes_signature": "yî3%"
},
{
"id": 1204923,
"created_at": "2026-04-26T04:38:37.897585Z",
"text_signature": "ExchangeRateNotSet()",
"hex_signature": "0x62f216e5",
"bytes_signature": "bò\u0016å"
},
{
"id": 1204922,
"created_at": "2026-04-26T04:38:37.878083Z",
"text_signature": "BaseFeedRoundIncomplete()",
"hex_signature": "0x13632048",
"bytes_signature": "\u0013c H"
},
{
"id": 1204921,
"created_at": "2026-04-26T04:38:20.675354Z",
"text_signature": "setShouldRevertLatestRoundData(bool)",
"hex_signature": "0x8247ce1e",
"bytes_signature": "GÎ\u001e"
},
{
"id": 1204920,
"created_at": "2026-04-26T04:38:20.671695Z",
"text_signature": "setLastUpdateTimestamp(uint64)",
"hex_signature": "0x8576e881",
"bytes_signature": "
vè"
},
{
"id": 1204919,
"created_at": "2026-04-26T04:38:20.664351Z",
"text_signature": "GuardConfigUpdated((uint64,uint64,uint32,uint16))",
"hex_signature": "0xd2b433af",
"bytes_signature": "Ò´3¯"
},
{
"id": 1204918,
"created_at": "2026-04-26T04:38:20.661073Z",
"text_signature": "setExchangeRate(uint96)",
"hex_signature": "0xd30a93af",
"bytes_signature": "Ó\n¯"
},
{
"id": 1204917,
"created_at": "2026-04-26T04:38:20.656953Z",
"text_signature": "setConfig((uint64,uint64,uint64,uint64,uint32))",
"hex_signature": "0xd7620db6",
"bytes_signature": "×b\r¶"
},
{
"id": 1204916,
"created_at": "2026-04-26T04:38:20.652985Z",
"text_signature": "baseFeedDecimals()",
"hex_signature": "0x1705a531",
"bytes_signature": "\u0017\u0005¥1"
},
{
"id": 1204915,
"created_at": "2026-04-26T04:38:20.649644Z",
"text_signature": "GuardConfigUpdated((uint64,uint64,uint64,uint64,uint32))",
"hex_signature": "0xd8366e48",
"bytes_signature": "Ø6nH"
},
{
"id": 1204914,
"created_at": "2026-04-26T04:38:20.645703Z",
"text_signature": "StaleUnderlying(uint256,uint32)",
"hex_signature": "0xa33c5b78",
"bytes_signature": "£<[x"
},
{
"id": 1204913,
"created_at": "2026-04-26T04:38:20.642358Z",
"text_signature": "RateNotPositive(int256)",
"hex_signature": "0x715152c8",
"bytes_signature": "qQRÈ"
},
{
"id": 1204912,
"created_at": "2026-04-26T04:38:20.637819Z",
"text_signature": "InvalidExponent(int32)",
"hex_signature": "0x457a0a92",
"bytes_signature": "Ez\n"
},
{
"id": 1204911,
"created_at": "2026-04-26T04:38:20.634261Z",
"text_signature": "ExchangeRateDeviationExceeded(uint96,uint96)",
"hex_signature": "0x6bd5e8ff",
"bytes_signature": "kÕèÿ"
},
{
"id": 1204910,
"created_at": "2026-04-26T04:38:20.624383Z",
"text_signature": "PriceFeedUpdate(bytes32,uint64,int64,uint64)",
"hex_signature": "0xd06a6b7f",
"bytes_signature": "Ðjk"
},
{
"id": 1204909,
"created_at": "2026-04-26T04:37:53.722893Z",
"text_signature": "setShouldRevertDecimals(bool)",
"hex_signature": "0x9972978f",
"bytes_signature": "r"
},
{
"id": 1204908,
"created_at": "2026-04-26T04:37:53.714772Z",
"text_signature": "GuardConfigUpdated((uint48,uint48,uint32))",
"hex_signature": "0x4f3f40df",
"bytes_signature": "O?@ß"
},
{
"id": 1204907,
"created_at": "2026-04-26T04:37:53.710683Z",
"text_signature": "PriceBoundsSet(uint64,uint64,uint64,uint64)",
"hex_signature": "0xbbd95ca6",
"bytes_signature": "»Ù\\¦"
},
{
"id": 1204906,
"created_at": "2026-04-26T04:37:53.706913Z",
"text_signature": "setMaxDeviationBps(uint16)",
"hex_signature": "0x7aa54092",
"bytes_signature": "z¥@"
},
{
"id": 1204905,
"created_at": "2026-04-26T04:37:53.701987Z",
"text_signature": "baseFeed()",
"hex_signature": "0xfed0f855",
"bytes_signature": "þÐøU"
},
{
"id": 1204904,
"created_at": "2026-04-26T04:37:53.698382Z",
"text_signature": "ZeroPriceId()",
"hex_signature": "0x84d1defb",
"bytes_signature": "ÑÞû"
},
{
"id": 1204903,
"created_at": "2026-04-26T04:37:53.695187Z",
"text_signature": "StaleRate(uint256,uint32)",
"hex_signature": "0xfba12f74",
"bytes_signature": "û¡/t"
},
{
"id": 1204902,
"created_at": "2026-04-26T04:37:53.691661Z",
"text_signature": "RateFloorZero()",
"hex_signature": "0xe1035d8d",
"bytes_signature": "á\u0003]"
},
{
"id": 1204901,
"created_at": "2026-04-26T04:37:53.688023Z",
"text_signature": "PriceNotPositive(int256)",
"hex_signature": "0x4c3a6fd0",
"bytes_signature": "L:oÐ"
},
{
"id": 1204900,
"created_at": "2026-04-26T04:37:53.681850Z",
"text_signature": "AccountantPaused()",
"hex_signature": "0x6bf37685",
"bytes_signature": "kóv
"
},
{
"id": 1204899,
"created_at": "2026-04-26T04:37:53.672424Z",
"text_signature": "parsePriceFeedUpdatesUnique(bytes[],bytes32[],uint64,uint64)",
"hex_signature": "0xaccca7f9",
"bytes_signature": "¬Ì§ù"
},
{
"id": 1204898,
"created_at": "2026-04-26T04:37:20.354465Z",
"text_signature": "setPriceWithTimestamp(int256,uint256)",
"hex_signature": "0x4576c5d0",
"bytes_signature": "EvÅÐ"
},
{
"id": 1204897,
"created_at": "2026-04-26T04:37:20.348945Z",
"text_signature": "setConfig((uint64,uint64,uint32,uint16))",
"hex_signature": "0x9f6a6ffe",
"bytes_signature": "joþ"
},
{
"id": 1204896,
"created_at": "2026-04-26T04:37:20.346246Z",
"text_signature": "setPriceBounds(uint64,uint64)",
"hex_signature": "0x0136f054",
"bytes_signature": "\u00016ðT"
},
{
"id": 1204895,
"created_at": "2026-04-26T04:37:20.343365Z",
"text_signature": "MaxUnderlyingStalenessSet(uint32,uint32)",
"hex_signature": "0xb7f95aaa",
"bytes_signature": "·ùZª"
},
{
"id": 1204894,
"created_at": "2026-04-26T04:37:20.341241Z",
"text_signature": "maxDeviationBps()",
"hex_signature": "0x3ee7a701",
"bytes_signature": ">ç§\u0001"
},
{
"id": 1204893,
"created_at": "2026-04-26T04:37:20.330362Z",
"text_signature": "normFactor()",
"hex_signature": "0x4910e095",
"bytes_signature": "I\u0010à"
},
{
"id": 1204892,
"created_at": "2026-04-26T04:37:20.327472Z",
"text_signature": "UnderlyingRoundIncomplete()",
"hex_signature": "0xd001e5eb",
"bytes_signature": "Ð\u0001åë"
},
{
"id": 1204891,
"created_at": "2026-04-26T04:37:20.325410Z",
"text_signature": "StalePrice(uint256,uint32)",
"hex_signature": "0x72bcf6f7",
"bytes_signature": "r¼ö÷"
},
{
"id": 1204890,
"created_at": "2026-04-26T04:37:20.321933Z",
"text_signature": "RateBelowFloor(uint256,uint256)",
"hex_signature": "0x2c086286",
"bytes_signature": ",\bb"
},
{
"id": 1204889,
"created_at": "2026-04-26T04:37:20.318435Z",
"text_signature": "PriceDeviationExceeded(int256,int256,uint16)",
"hex_signature": "0x744e7da6",
"bytes_signature": "tN}¦"
},
{
"id": 1204888,
"created_at": "2026-04-26T04:37:20.293730Z",
"text_signature": "ConfidenceTooWide(uint64,int64,uint16)",
"hex_signature": "0xc01fae23",
"bytes_signature": "À\u001f®#"
},
{
"id": 1204887,
"created_at": "2026-04-26T04:36:51.019878Z",
"text_signature": "simulateIncompleteRound()",
"hex_signature": "0x0c458f86",
"bytes_signature": "\fE"
},
{
"id": 1204886,
"created_at": "2026-04-26T04:36:51.015429Z",
"text_signature": "LastUpdateTimestampUpdated(uint64,uint64)",
"hex_signature": "0xc98d7596",
"bytes_signature": "Éu"
},
{
"id": 1204885,
"created_at": "2026-04-26T04:36:51.012427Z",
"text_signature": "setPriceWithTimestamp(bytes32,int64,uint64,int32,uint256)",
"hex_signature": "0x64df0423",
"bytes_signature": "dß\u0004#"
},
{
"id": 1204884,
"created_at": "2026-04-26T04:36:51.004472Z",
"text_signature": "setMaxUnderlyingStaleness(uint32)",
"hex_signature": "0x392797f8",
"bytes_signature": "9'ø"
},
{
"id": 1204883,
"created_at": "2026-04-26T04:36:51.001045Z",
"text_signature": "MaxExchangeRateDeviationBpsSet(uint16,uint16)",
"hex_signature": "0x33027f5a",
"bytes_signature": "3\u0002Z"
},
{
"id": 1204882,
"created_at": "2026-04-26T04:36:50.997448Z",
"text_signature": "MaxDeviationBpsSet(uint16,uint16)",
"hex_signature": "0x4f5c4bc6",
"bytes_signature": "O\\KÆ"
},
{
"id": 1204881,
"created_at": "2026-04-26T04:36:50.994313Z",
"text_signature": "rateFeedDecimals()",
"hex_signature": "0x7665efa6",
"bytes_signature": "veï¦"
},
{
"id": 1204880,
"created_at": "2026-04-26T04:36:50.990821Z",
"text_signature": "getFeedStatus()",
"hex_signature": "0xf2856369",
"bytes_signature": "ò
ci"
},
{
"id": 1204879,
"created_at": "2026-04-26T04:36:50.986625Z",
"text_signature": "UnderlyingDecimalsMismatch(uint8,uint8)",
"hex_signature": "0xdbf5e8ad",
"bytes_signature": "Ûõè"
},
{
"id": 1204878,
"created_at": "2026-04-26T04:36:50.982850Z",
"text_signature": "StaleAccountantRate(uint256,uint32)",
"hex_signature": "0xa5ab74ec",
"bytes_signature": "¥«tì"
},
{
"id": 1204877,
"created_at": "2026-04-26T04:36:50.979387Z",
"text_signature": "RateAboveCeiling(uint256,uint256)",
"hex_signature": "0x1bf571e0",
"bytes_signature": "\u001bõqà"
},
{
"id": 1204876,
"created_at": "2026-04-26T04:36:50.975919Z",
"text_signature": "PriceBelowFloor(int256,uint64)",
"hex_signature": "0x89c4358b",
"bytes_signature": "Ä5"
},
{
"id": 1204875,
"created_at": "2026-04-26T04:36:50.970985Z",
"text_signature": "InvalidRateBounds()",
"hex_signature": "0xd4c07690",
"bytes_signature": "ÔÀv"
},
{
"id": 1204874,
"created_at": "2026-04-25T18:00:02.987380Z",
"text_signature": "revokeFeedback(uint256,uint64)",
"hex_signature": "0x4ab3ca99",
"bytes_signature": "J³Ê"
},
{
"id": 1204873,
"created_at": "2026-04-25T18:00:02.984744Z",
"text_signature": "readFeedback(uint256,address,uint64)",
"hex_signature": "0x232b0810",
"bytes_signature": "#+\b\u0010"
},
{
"id": 1204872,
"created_at": "2026-04-25T18:00:02.982643Z",
"text_signature": "readAllFeedback(uint256,address[],string,string,bool)",
"hex_signature": "0xd9d84224",
"bytes_signature": "ÙØB$"
},
{
"id": 1204871,
"created_at": "2026-04-25T18:00:02.978711Z",
"text_signature": "giveFeedback(uint256,int128,uint8,string,string,string,string,bytes32)",
"hex_signature": "0x3c036a7e",
"bytes_signature": "<\u0003j~"
},
{
"id": 1204870,
"created_at": "2026-04-25T18:00:02.975951Z",
"text_signature": "getSummary(uint256,address[],string,string)",
"hex_signature": "0x81bbba58",
"bytes_signature": "ȼX"
},
{
"id": 1204869,
"created_at": "2026-04-25T18:00:02.973076Z",
"text_signature": "getResponseCount(uint256,address,uint64,address[])",
"hex_signature": "0x6e04cacd",
"bytes_signature": "n\u0004ÊÍ"
},
{
"id": 1204868,
"created_at": "2026-04-25T18:00:02.970708Z",
"text_signature": "getLastIndex(uint256,address)",
"hex_signature": "0xf2d81759",
"bytes_signature": "òØ\u0017Y"
},
{
"id": 1204867,
"created_at": "2026-04-25T18:00:02.968474Z",
"text_signature": "getIdentityRegistry()",
"hex_signature": "0xbc4d861b",
"bytes_signature": "¼M\u001b"
},
{
"id": 1204866,
"created_at": "2026-04-25T18:00:02.960831Z",
"text_signature": "appendResponse(uint256,address,uint64,string,bytes32)",
"hex_signature": "0xc2349ab2",
"bytes_signature": "Â4²"
},
{
"id": 1204865,
"created_at": "2026-04-25T08:16:40.422390Z",
"text_signature": "UserCannotHaveDebt()",
"hex_signature": "0x16f1ef81",
"bytes_signature": "\u0016ñï"
},
{
"id": 1204864,
"created_at": "2026-04-25T08:16:38.249356Z",
"text_signature": "ReserveNotInDeficit()",
"hex_signature": "0x94468f03",
"bytes_signature": "F\u0003"
},
{
"id": 1204863,
"created_at": "2026-04-25T08:16:34.827500Z",
"text_signature": "InvalidFreezeState()",
"hex_signature": "0x990c1656",
"bytes_signature": "\f\u0016V"
},
{
"id": 1204862,
"created_at": "2026-04-25T08:16:32.416960Z",
"text_signature": "LiquidationGraceSentinelCheckFailed()",
"hex_signature": "0x9e3e6060",
"bytes_signature": ">``"
},
{
"id": 1204861,
"created_at": "2026-04-25T08:16:29.005454Z",
"text_signature": "SupplyToAToken()",
"hex_signature": "0x18d2badf",
"bytes_signature": "\u0018Òºß"
},
{
"id": 1204860,
"created_at": "2026-04-25T08:16:24.543092Z",
"text_signature": "ReserveDebtNotZero()",
"hex_signature": "0x4f9d999f",
"bytes_signature": "O"
},
{
"id": 1204859,
"created_at": "2026-04-25T08:16:21.129806Z",
"text_signature": "AddressesProviderAlreadyAdded()",
"hex_signature": "0x19e2f692",
"bytes_signature": "\u0019âö"
},
{
"id": 1204858,
"created_at": "2026-04-25T08:16:18.883752Z",
"text_signature": "InvalidOptimalUsageRatio()",
"hex_signature": "0x35a8aee7",
"bytes_signature": "5¨®ç"
},
{
"id": 1204857,
"created_at": "2026-04-25T08:16:15.575680Z",
"text_signature": "OperationNotSupported()",
"hex_signature": "0x29a270f5",
"bytes_signature": ")¢põ"
},
{
"id": 1204856,
"created_at": "2026-04-25T08:16:13.111342Z",
"text_signature": "InvalidExpiration()",
"hex_signature": "0xfb2a6752",
"bytes_signature": "û*gR"
},
{
"id": 1204855,
"created_at": "2026-04-25T08:16:10.783950Z",
"text_signature": "InconsistentParamsLength()",
"hex_signature": "0x0d10f63b",
"bytes_signature": "\r\u0010ö;"
},
{
"id": 1204854,
"created_at": "2026-04-25T08:16:08.519714Z",
"text_signature": "InvalidReserveIndex()",
"hex_signature": "0x85e98beb",
"bytes_signature": "
éë"
},
{
"id": 1204853,
"created_at": "2026-04-25T08:16:07.389184Z",
"text_signature": "InvalidDebtCeiling()",
"hex_signature": "0x2a67d7f9",
"bytes_signature": "*g×ù"
},
{
"id": 1204852,
"created_at": "2026-04-25T08:16:05.124748Z",
"text_signature": "InvalidSupplyCap()",
"hex_signature": "0xc0d76d92",
"bytes_signature": "À×m"
},
{
"id": 1204851,
"created_at": "2026-04-25T08:16:00.663377Z",
"text_signature": "InvalidLiquidationBonus()",
"hex_signature": "0x54198c1c",
"bytes_signature": "T\u0019\u001c"
},
{
"id": 1204850,
"created_at": "2026-04-25T08:15:59.537741Z",
"text_signature": "InvalidLiquidationThreshold()",
"hex_signature": "0x3e51d2c0",
"bytes_signature": ">QÒÀ"
},
{
"id": 1204849,
"created_at": "2026-04-25T08:15:53.712549Z",
"text_signature": "PriceOracleSentinelCheckFailed()",
"hex_signature": "0x91037009",
"bytes_signature": "\u0003p\t"
},
{
"id": 1204848,
"created_at": "2026-04-25T08:15:50.353108Z",
"text_signature": "VariableDebtSupplyNotZero()",
"hex_signature": "0xdd04d593",
"bytes_signature": "Ý\u0004Õ"
},
{
"id": 1204847,
"created_at": "2026-04-25T08:15:48.041123Z",
"text_signature": "DebtCeilingExceeded()",
"hex_signature": "0xe24734c2",
"bytes_signature": "âG4Â"
},
{
"id": 1204846,
"created_at": "2026-04-25T08:15:43.544121Z",
"text_signature": "SpecifiedCurrencyNotBorrowedByUser()",
"hex_signature": "0x3653732b",
"bytes_signature": "6Ss+"
},
{
"id": 1204845,
"created_at": "2026-04-25T08:15:40.009910Z",
"text_signature": "UnderlyingBalanceZero()",
"hex_signature": "0x5fe10377",
"bytes_signature": "_á\u0003w"
},
{
"id": 1204844,
"created_at": "2026-04-25T08:15:38.871686Z",
"text_signature": "NoExplicitAmountToRepayOnBehalf()",
"hex_signature": "0xcd3779c3",
"bytes_signature": "Í7yÃ"
},
{
"id": 1204843,
"created_at": "2026-04-25T08:15:35.653769Z",
"text_signature": "CollateralCannotCoverNewBorrow()",
"hex_signature": "0x911ceb81",
"bytes_signature": "\u001cë"
},
{
"id": 1204842,
"created_at": "2026-04-25T08:15:32.287192Z",
"text_signature": "InvalidInterestRateModeSelected()",
"hex_signature": "0x17c5a78e",
"bytes_signature": "\u0017ŧ"
},
{
"id": 1204841,
"created_at": "2026-04-25T08:15:30.046330Z",
"text_signature": "BorrowingNotEnabled()",
"hex_signature": "0x53587745",
"bytes_signature": "SXwE"
},
{
"id": 1204840,
"created_at": "2026-04-25T08:15:27.832547Z",
"text_signature": "ReserveFrozen()",
"hex_signature": "0x6d305815",
"bytes_signature": "m0X\u0015"
},
{
"id": 1204839,
"created_at": "2026-04-25T08:15:19.904682Z",
"text_signature": "InvalidReserveParams()",
"hex_signature": "0x32d6d3ef",
"bytes_signature": "2ÖÓï"
},
{
"id": 1204838,
"created_at": "2026-04-25T08:13:50.968047Z",
"text_signature": "CallerNotUmbrella()",
"hex_signature": "0xc45a7cdd",
"bytes_signature": "ÄZ|Ý"
},
{
"id": 1204837,
"created_at": "2026-04-25T08:13:50.643386Z",
"text_signature": "NotBorrowableInEMode()",
"hex_signature": "0x57db5bba",
"bytes_signature": "WÛ[º"
},
{
"id": 1204836,
"created_at": "2026-04-25T08:13:50.331652Z",
"text_signature": "InvalidGracePeriod()",
"hex_signature": "0xd7c43e0f",
"bytes_signature": "×Ä>\u000f"
}
]
}