HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1178159,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=17",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=-created_at&page=15",
"results": [
{
"id": 1209755,
"created_at": "2026-06-29T19:25:59.237003Z",
"text_signature": "testDecodeXAddressNoTag()",
"hex_signature": "0xc5726dfa",
"bytes_signature": "Årmú"
},
{
"id": 1209754,
"created_at": "2026-06-29T19:25:59.230174Z",
"text_signature": "testEncodeFromClassicAddress()",
"hex_signature": "0x71a5fb49",
"bytes_signature": "q¥ûI"
},
{
"id": 1209753,
"created_at": "2026-06-29T19:25:59.227548Z",
"text_signature": "testDecodeClassicAddress()",
"hex_signature": "0xcac4c6df",
"bytes_signature": "ÊÄÆß"
},
{
"id": 1209752,
"created_at": "2026-06-29T19:25:59.225130Z",
"text_signature": "testEncodeTestNetwork()",
"hex_signature": "0xcab8cc18",
"bytes_signature": "ʸÌ\u0018"
},
{
"id": 1209751,
"created_at": "2026-06-29T19:25:59.222456Z",
"text_signature": "testEncodePepperTag12345()",
"hex_signature": "0xaf137683",
"bytes_signature": "¯\u0013v"
},
{
"id": 1209750,
"created_at": "2026-06-29T19:25:59.219685Z",
"text_signature": "testEncodeMaxTag()",
"hex_signature": "0x5795f204",
"bytes_signature": "Wò\u0004"
},
{
"id": 1209749,
"created_at": "2026-06-29T19:25:59.215780Z",
"text_signature": "testEncodeTag13()",
"hex_signature": "0x823ba262",
"bytes_signature": ";¢b"
},
{
"id": 1209748,
"created_at": "2026-06-29T19:25:59.213028Z",
"text_signature": "testEncodeTagZeroDiffersFromNoTag()",
"hex_signature": "0x2d1fb8b2",
"bytes_signature": "-\u001f¸²"
},
{
"id": 1209747,
"created_at": "2026-06-29T19:25:59.210439Z",
"text_signature": "testEncodeNoTag()",
"hex_signature": "0x86fbb8d5",
"bytes_signature": "û¸Õ"
},
{
"id": 1209746,
"created_at": "2026-06-29T19:25:59.207666Z",
"text_signature": "testDecodeXAddressRevertsOnBadChecksum()",
"hex_signature": "0x4a93c86d",
"bytes_signature": "JÈm"
},
{
"id": 1209745,
"created_at": "2026-06-29T19:25:59.204301Z",
"text_signature": "testDecodeRevertsOnBadCharacter()",
"hex_signature": "0xe089cc8a",
"bytes_signature": "àÌ"
},
{
"id": 1209744,
"created_at": "2026-06-29T19:25:59.199799Z",
"text_signature": "testDecodeRevertsOnBadChecksum()",
"hex_signature": "0x8e93c9da",
"bytes_signature": "ÉÚ"
},
{
"id": 1209743,
"created_at": "2026-06-29T19:25:59.191401Z",
"text_signature": "testFutureWitnessVersionRejected()",
"hex_signature": "0xe45fc754",
"bytes_signature": "ä_ÇT"
},
{
"id": 1209742,
"created_at": "2026-06-29T19:25:59.186264Z",
"text_signature": "testUppercaseBech32Accepted()",
"hex_signature": "0xb5ef02d8",
"bytes_signature": "µï\u0002Ø"
},
{
"id": 1209741,
"created_at": "2026-06-29T19:25:59.183512Z",
"text_signature": "testValidRegtest()",
"hex_signature": "0x1ad521f0",
"bytes_signature": "\u001aÕ!ð"
},
{
"id": 1209740,
"created_at": "2026-06-29T19:25:59.174373Z",
"text_signature": "testMixedCaseBadChecksumRejected()",
"hex_signature": "0x47d6b5ef",
"bytes_signature": "GÖµï"
},
{
"id": 1209739,
"created_at": "2026-06-29T19:25:59.171045Z",
"text_signature": "testNonCanonicalCaseRejected()",
"hex_signature": "0xfd5089d9",
"bytes_signature": "ýPÙ"
},
{
"id": 1209738,
"created_at": "2026-06-29T19:25:59.163895Z",
"text_signature": "testValidChecksummed()",
"hex_signature": "0xe539f636",
"bytes_signature": "å9ö6"
},
{
"id": 1209737,
"created_at": "2026-06-29T19:25:59.159401Z",
"text_signature": "testMalformedRejected()",
"hex_signature": "0xe8a93c59",
"bytes_signature": "è©<Y"
},
{
"id": 1209736,
"created_at": "2026-06-29T19:25:59.156518Z",
"text_signature": "testForeignChainRejected()",
"hex_signature": "0xf0f611ab",
"bytes_signature": "ðö\u0011«"
},
{
"id": 1209735,
"created_at": "2026-06-29T19:25:59.153072Z",
"text_signature": "testNetworkMismatchRejected()",
"hex_signature": "0x5bd276e0",
"bytes_signature": "[Òvà"
},
{
"id": 1209734,
"created_at": "2026-06-29T19:25:59.149843Z",
"text_signature": "testValidTestnet()",
"hex_signature": "0xe9014cf9",
"bytes_signature": "é\u0001Lù"
},
{
"id": 1209733,
"created_at": "2026-06-29T19:25:59.147304Z",
"text_signature": "testValidMainnet()",
"hex_signature": "0x5ac39614",
"bytes_signature": "ZÃ\u0014"
},
{
"id": 1209732,
"created_at": "2026-06-29T19:25:59.142856Z",
"text_signature": "_inAlphabet(uint8)",
"hex_signature": "0x3e5d1a94",
"bytes_signature": ">]\u001a"
},
{
"id": 1209731,
"created_at": "2026-06-29T19:25:59.139545Z",
"text_signature": "testFuzzValidClassicAcceptedEitherNetwork(uint8)",
"hex_signature": "0x81158a72",
"bytes_signature": "\u0015r"
},
{
"id": 1209730,
"created_at": "2026-06-29T19:25:59.136038Z",
"text_signature": "testFuzzIsValidNeverReverts(bytes32,uint8)",
"hex_signature": "0xd9a952fd",
"bytes_signature": "Ù©Rý"
},
{
"id": 1209729,
"created_at": "2026-06-29T19:25:59.133363Z",
"text_signature": "testCrossCheckAgainstCodec()",
"hex_signature": "0x1bcd3a1d",
"bytes_signature": "\u001bÍ:\u001d"
},
{
"id": 1209728,
"created_at": "2026-06-29T19:25:59.130758Z",
"text_signature": "testHighBytesRejected()",
"hex_signature": "0xa5e9161b",
"bytes_signature": "¥é\u0016\u001b"
},
{
"id": 1209727,
"created_at": "2026-06-29T19:25:59.128005Z",
"text_signature": "testEveryNonAlphabetAsciiRejects()",
"hex_signature": "0x9409153a",
"bytes_signature": "\t\u0015:"
},
{
"id": 1209726,
"created_at": "2026-06-29T19:25:59.124992Z",
"text_signature": "testLeadingPaddingRejected()",
"hex_signature": "0xa2b97a4e",
"bytes_signature": "¢¹zN"
},
{
"id": 1209725,
"created_at": "2026-06-29T19:25:59.121660Z",
"text_signature": "testLengthBoundaryRejected()",
"hex_signature": "0xb113066c",
"bytes_signature": "±\u0013\u0006l"
},
{
"id": 1209724,
"created_at": "2026-06-29T19:25:59.118579Z",
"text_signature": "testReservedFlagXRejected()",
"hex_signature": "0xc53cc27d",
"bytes_signature": "Å<Â}"
},
{
"id": 1209723,
"created_at": "2026-06-29T19:25:59.115967Z",
"text_signature": "testMalformedXRejected()",
"hex_signature": "0x353c37bb",
"bytes_signature": "5<7»"
},
{
"id": 1209722,
"created_at": "2026-06-29T19:25:59.113504Z",
"text_signature": "testValidTestnetAccepted()",
"hex_signature": "0x398e3c27",
"bytes_signature": "9<'"
},
{
"id": 1209721,
"created_at": "2026-06-29T19:25:59.111069Z",
"text_signature": "testValidXMainVectorsAccepted()",
"hex_signature": "0x0a80ce5d",
"bytes_signature": "\nÎ]"
},
{
"id": 1209720,
"created_at": "2026-06-29T19:25:59.108442Z",
"text_signature": "testXAddressNetworkEnforced()",
"hex_signature": "0x19d45128",
"bytes_signature": "\u0019ÔQ("
},
{
"id": 1209719,
"created_at": "2026-06-29T19:25:59.105503Z",
"text_signature": "testMalformedClassicRejected()",
"hex_signature": "0x756c2f45",
"bytes_signature": "ul/E"
},
{
"id": 1209718,
"created_at": "2026-06-29T19:25:59.102650Z",
"text_signature": "testValidClassicVectorsAccepted()",
"hex_signature": "0x5a535cec",
"bytes_signature": "ZS\\ì"
},
{
"id": 1209717,
"created_at": "2026-06-29T19:25:59.099498Z",
"text_signature": "testClassicAcceptedForEitherNetwork()",
"hex_signature": "0x48cd02e6",
"bytes_signature": "HÍ\u0002æ"
},
{
"id": 1209716,
"created_at": "2026-06-29T19:25:59.095428Z",
"text_signature": "_reg(bytes32,address)",
"hex_signature": "0xf481bfd1",
"bytes_signature": "ô¿Ñ"
},
{
"id": 1209715,
"created_at": "2026-06-29T19:25:59.090560Z",
"text_signature": "testGetSourcePaymentModelReturnsUnknownForUnregistered()",
"hex_signature": "0xc671ae95",
"bytes_signature": "Æq®"
},
{
"id": 1209714,
"created_at": "2026-06-29T19:25:59.088058Z",
"text_signature": "testGetSourcePaymentModelUtxo()",
"hex_signature": "0x20297d38",
"bytes_signature": " )}8"
},
{
"id": 1209713,
"created_at": "2026-06-29T19:25:59.085535Z",
"text_signature": "testGetSourcePaymentModel()",
"hex_signature": "0x8c02853d",
"bytes_signature": "\u0002
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},
{
"id": 1209712,
"created_at": "2026-06-29T19:25:59.082566Z",
"text_signature": "testGetSourceKeyTypeAndTeePaymentsReturnsZeroForUnknown()",
"hex_signature": "0x81886264",
"bytes_signature": "bd"
},
{
"id": 1209711,
"created_at": "2026-06-29T19:25:59.079802Z",
"text_signature": "testGetSourceKeyTypeAndTeePayments()",
"hex_signature": "0x4c1a0e7d",
"bytes_signature": "L\u001a\u000e}"
},
{
"id": 1209710,
"created_at": "2026-06-29T19:25:59.075823Z",
"text_signature": "testGetSourceOpTypeAndTeePaymentsReturnsZeroForUnknown()",
"hex_signature": "0x82b8fb65",
"bytes_signature": "¸ûe"
},
{
"id": 1209709,
"created_at": "2026-06-29T19:25:59.072495Z",
"text_signature": "testGetSourceOpTypeAndTeePayments()",
"hex_signature": "0x78714e53",
"bytes_signature": "xqNS"
},
{
"id": 1209708,
"created_at": "2026-06-29T19:25:59.069703Z",
"text_signature": "testGetSourceConfigReturnsDefaultForUnknown()",
"hex_signature": "0x977279a9",
"bytes_signature": "ry©"
},
{
"id": 1209707,
"created_at": "2026-06-29T19:25:59.066274Z",
"text_signature": "testGetRegisteredTeePaymentsContracts()",
"hex_signature": "0x5cfd4441",
"bytes_signature": "\\ýDA"
},
{
"id": 1209706,
"created_at": "2026-06-29T19:25:59.063570Z",
"text_signature": "testGetRegisteredSourceIds()",
"hex_signature": "0xf0bfd2d8",
"bytes_signature": "ð¿ÒØ"
},
{
"id": 1209705,
"created_at": "2026-06-29T19:25:59.056736Z",
"text_signature": "testGetSourceIdsForTeePayments()",
"hex_signature": "0xfb3837f5",
"bytes_signature": "û87õ"
},
{
"id": 1209704,
"created_at": "2026-06-29T19:25:59.053971Z",
"text_signature": "testIsSourceRegistered()",
"hex_signature": "0x20430481",
"bytes_signature": " C\u0004"
},
{
"id": 1209703,
"created_at": "2026-06-29T19:25:59.051104Z",
"text_signature": "testGetTeePaymentsForSourceReturnsZeroForUnknown()",
"hex_signature": "0xb302c7ae",
"bytes_signature": "³\u0002Ç®"
},
{
"id": 1209702,
"created_at": "2026-06-29T19:25:59.048150Z",
"text_signature": "testUnregisterSourcesGovernanceOnly()",
"hex_signature": "0xeb15a14c",
"bytes_signature": "ë\u0015¡L"
},
{
"id": 1209701,
"created_at": "2026-06-29T19:25:59.045368Z",
"text_signature": "testUnregisterSourcesRevertNotRegistered()",
"hex_signature": "0xa26b6436",
"bytes_signature": "¢kd6"
},
{
"id": 1209700,
"created_at": "2026-06-29T19:25:59.042692Z",
"text_signature": "testUnregisterSources()",
"hex_signature": "0xdc62f6b1",
"bytes_signature": "Übö±"
},
{
"id": 1209699,
"created_at": "2026-06-29T19:25:59.039256Z",
"text_signature": "testRegisterSourcesRevertTeePaymentsEoa()",
"hex_signature": "0x908d227a",
"bytes_signature": "\"z"
},
{
"id": 1209698,
"created_at": "2026-06-29T19:25:59.033570Z",
"text_signature": "testRegisterSourcesRevertTeePaymentsZero()",
"hex_signature": "0xd9a8f8e5",
"bytes_signature": "Ù¨øå"
},
{
"id": 1209697,
"created_at": "2026-06-29T19:25:59.030428Z",
"text_signature": "testRegisterSourcesRevertSourceIdZero()",
"hex_signature": "0x0a20e682",
"bytes_signature": "\n æ"
},
{
"id": 1209696,
"created_at": "2026-06-29T19:25:59.026613Z",
"text_signature": "testRebindViaUnregisterThenRegister()",
"hex_signature": "0x6c1251e2",
"bytes_signature": "l\u0012Qâ"
},
{
"id": 1209695,
"created_at": "2026-06-29T19:25:59.023273Z",
"text_signature": "testRegisterSourcesRevertAlreadyRegisteredSameAddress()",
"hex_signature": "0x7e73f473",
"bytes_signature": "~sôs"
},
{
"id": 1209694,
"created_at": "2026-06-29T19:25:59.019986Z",
"text_signature": "testRegisterSourcesRevertAlreadyRegistered()",
"hex_signature": "0xb84d2b16",
"bytes_signature": "¸M+\u0016"
},
{
"id": 1209693,
"created_at": "2026-06-29T19:25:59.016458Z",
"text_signature": "testRegisterSourcesMultiple()",
"hex_signature": "0x493023aa",
"bytes_signature": "I0#ª"
},
{
"id": 1209692,
"created_at": "2026-06-29T19:25:59.013469Z",
"text_signature": "testRegisterSourcesNewSourceId()",
"hex_signature": "0xbda932ea",
"bytes_signature": "½©2ê"
},
{
"id": 1209691,
"created_at": "2026-06-29T19:25:59.009668Z",
"text_signature": "testRegisterSourcesGovernanceOnly()",
"hex_signature": "0x72268ff6",
"bytes_signature": "r&ö"
},
{
"id": 1209690,
"created_at": "2026-06-29T19:25:59.005566Z",
"text_signature": "testFacetAddress()",
"hex_signature": "0xcc60b7bf",
"bytes_signature": "Ì`·¿"
},
{
"id": 1209689,
"created_at": "2026-06-29T19:25:59.002596Z",
"text_signature": "testFacetFunctionSelectors()",
"hex_signature": "0x18fbe423",
"bytes_signature": "\u0018ûä#"
},
{
"id": 1209688,
"created_at": "2026-06-29T19:25:58.999304Z",
"text_signature": "testFacetAddresses()",
"hex_signature": "0x0055f358",
"bytes_signature": "\u0000UóX"
},
{
"id": 1209687,
"created_at": "2026-06-29T19:25:58.994704Z",
"text_signature": "testFacets()",
"hex_signature": "0xd4f2a7e9",
"bytes_signature": "Ôò§é"
},
{
"id": 1209686,
"created_at": "2026-06-29T19:25:58.987254Z",
"text_signature": "_makeSchedulePair(int16,uint16,int16,uint16)",
"hex_signature": "0x3dbc03d3",
"bytes_signature": "=¼\u0003Ó"
},
{
"id": 1209685,
"created_at": "2026-06-29T19:25:58.983267Z",
"text_signature": "_makeSchedule(int16,uint16)",
"hex_signature": "0x46622599",
"bytes_signature": "Fb%"
},
{
"id": 1209684,
"created_at": "2026-06-29T19:25:58.975420Z",
"text_signature": "_mockGetWalletId(address,bytes32)",
"hex_signature": "0x892c6039",
"bytes_signature": ",`9"
},
{
"id": 1209683,
"created_at": "2026-06-29T19:25:58.970428Z",
"text_signature": "_setConfig(bytes32,uint8,uint16)",
"hex_signature": "0xd77f0144",
"bytes_signature": "×\u0001D"
},
{
"id": 1209682,
"created_at": "2026-06-29T19:25:58.965984Z",
"text_signature": "testValidateAndEncodeSchedulesRevertInvalidFactor()",
"hex_signature": "0x9bd5d4ae",
"bytes_signature": "ÕÔ®"
},
{
"id": 1209681,
"created_at": "2026-06-29T19:25:58.963237Z",
"text_signature": "testValidateAndEncodeSchedulesRevertDelayTooLarge()",
"hex_signature": "0x9ea4d6e1",
"bytes_signature": "¤Öá"
},
{
"id": 1209680,
"created_at": "2026-06-29T19:25:58.960253Z",
"text_signature": "testValidateAndEncodeSchedulesRevertNonAscendingDelays()",
"hex_signature": "0xdf76afff",
"bytes_signature": "ßv¯ÿ"
},
{
"id": 1209679,
"created_at": "2026-06-29T19:25:58.957785Z",
"text_signature": "testValidateAndEncodeSchedulesRevertTooManySchedules()",
"hex_signature": "0x80b30458",
"bytes_signature": "³\u0004X"
},
{
"id": 1209678,
"created_at": "2026-06-29T19:25:58.955304Z",
"text_signature": "testValidateAndEncodeSchedulesRevertLengthsMismatch()",
"hex_signature": "0x4c6a13f1",
"bytes_signature": "Lj\u0013ñ"
},
{
"id": 1209677,
"created_at": "2026-06-29T19:25:58.952458Z",
"text_signature": "testValidateAndEncodeSchedulesUnconfiguredRejectsNonZeroDelay()",
"hex_signature": "0x30c92acc",
"bytes_signature": "0É*Ì"
},
{
"id": 1209676,
"created_at": "2026-06-29T19:25:58.949572Z",
"text_signature": "testValidateAndEncodeSchedulesUnconfiguredRejectsMultipleEntries()",
"hex_signature": "0x3fe127aa",
"bytes_signature": "?á'ª"
},
{
"id": 1209675,
"created_at": "2026-06-29T19:25:58.946828Z",
"text_signature": "testValidateAndEncodeSchedulesUnconfiguredAllowsSingleInvalidation()",
"hex_signature": "0x9edb3da3",
"bytes_signature": "Û=£"
},
{
"id": 1209674,
"created_at": "2026-06-29T19:25:58.944058Z",
"text_signature": "testValidateAndEncodeSchedules()",
"hex_signature": "0x7ce6194c",
"bytes_signature": "|æ\u0019L"
},
{
"id": 1209673,
"created_at": "2026-06-29T19:25:58.941519Z",
"text_signature": "testGetEffectiveSchedulePrecedence()",
"hex_signature": "0x25aa319f",
"bytes_signature": "%ª1"
},
{
"id": 1209672,
"created_at": "2026-06-29T19:25:58.938723Z",
"text_signature": "testGetEffectiveScheduleProject()",
"hex_signature": "0x2b40d5e4",
"bytes_signature": "+@Õä"
},
{
"id": 1209671,
"created_at": "2026-06-29T19:25:58.935969Z",
"text_signature": "testGetEffectiveScheduleDefault()",
"hex_signature": "0x52ce9729",
"bytes_signature": "RÎ)"
},
{
"id": 1209670,
"created_at": "2026-06-29T19:25:58.933085Z",
"text_signature": "testSetAccountFeeScheduleRevertEmpty()",
"hex_signature": "0x1d979f4f",
"bytes_signature": "\u001dO"
},
{
"id": 1209669,
"created_at": "2026-06-29T19:25:58.930342Z",
"text_signature": "testClearAccountFeeScheduleRevertNotSet()",
"hex_signature": "0x1d2d6eda",
"bytes_signature": "\u001d-nÚ"
},
{
"id": 1209668,
"created_at": "2026-06-29T19:25:58.927936Z",
"text_signature": "testClearAccountFeeScheduleRevertNotProjectOwner()",
"hex_signature": "0x2d77c927",
"bytes_signature": "-wÉ'"
},
{
"id": 1209667,
"created_at": "2026-06-29T19:25:58.925366Z",
"text_signature": "testClearAccountFeeSchedule()",
"hex_signature": "0x239c13d4",
"bytes_signature": "#\u0013Ô"
},
{
"id": 1209666,
"created_at": "2026-06-29T19:25:58.922852Z",
"text_signature": "testSetAccountFeeScheduleRevertNotProjectOwner()",
"hex_signature": "0x10417356",
"bytes_signature": "\u0010AsV"
},
{
"id": 1209665,
"created_at": "2026-06-29T19:25:58.920240Z",
"text_signature": "testSetAccountFeeScheduleRevertAccountNotRegistered()",
"hex_signature": "0xf34ccbda",
"bytes_signature": "óLËÚ"
},
{
"id": 1209664,
"created_at": "2026-06-29T19:25:58.917527Z",
"text_signature": "testSetAccountFeeScheduleRevertUnsupportedSourceId()",
"hex_signature": "0xf703fa72",
"bytes_signature": "÷\u0003úr"
},
{
"id": 1209663,
"created_at": "2026-06-29T19:25:58.914883Z",
"text_signature": "testSetAccountFeeSchedule()",
"hex_signature": "0x8b3e730d",
"bytes_signature": ">s\r"
},
{
"id": 1209662,
"created_at": "2026-06-29T19:25:58.912024Z",
"text_signature": "testClearProjectFeeScheduleRevertNotSet()",
"hex_signature": "0x8c8554ee",
"bytes_signature": "
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},
{
"id": 1209661,
"created_at": "2026-06-29T19:25:58.909099Z",
"text_signature": "testClearProjectFeeScheduleRevertOnlyProjectOwner()",
"hex_signature": "0xe8424180",
"bytes_signature": "èBA"
},
{
"id": 1209660,
"created_at": "2026-06-29T19:25:58.906380Z",
"text_signature": "testClearProjectFeeSchedule()",
"hex_signature": "0xe4ba1be2",
"bytes_signature": "äº\u001bâ"
},
{
"id": 1209659,
"created_at": "2026-06-29T19:25:58.903686Z",
"text_signature": "testSetProjectFeeScheduleRevertNonSystemExtension()",
"hex_signature": "0xf2b1167d",
"bytes_signature": "ò±\u0016}"
},
{
"id": 1209658,
"created_at": "2026-06-29T19:25:58.900908Z",
"text_signature": "testSetProjectFeeScheduleRevertEmpty()",
"hex_signature": "0x2eb9b8fd",
"bytes_signature": ".¹¸ý"
},
{
"id": 1209657,
"created_at": "2026-06-29T19:25:58.897704Z",
"text_signature": "testSetProjectFeeScheduleRevertDelayTooLarge()",
"hex_signature": "0x0ef2e0e3",
"bytes_signature": "\u000eòàã"
},
{
"id": 1209656,
"created_at": "2026-06-29T19:25:58.894939Z",
"text_signature": "testSetProjectFeeScheduleRevertNonAscendingDelays()",
"hex_signature": "0x68f3365c",
"bytes_signature": "hó6\\"
}
]
}