← The evidence ledger
Evidence row 66949
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.locus.report/api/locus-fair-market-rents
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1f6b3eac782f19d5c0a5b1e9557afb52065cf389e2ebaa38f06132a1683cd68b
- Leaf
- 0x2d9a828b4371d14c04fdf9148e12a2d7387424a4dd3b1f7ecacb7c8664f9601c
What was observed
{
"endpoints": [
[
"x402",
"https://api.locus.report/api/locus-fair-market-rents"
]
],
"name": "api.locus.report/api/locus-fair-market-rents",
"owner_address": "0xf121fbecec43e1b616d47285851c20d5fc64431b",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0xF121fbeceC43e1B616D47285851c20d5fC64431b",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 60,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "FBVHMG5PTNW6sNd7uhZBsxhWkwJYRpgk34QcTgDpQdwV",
"scheme": "exact"
}
],
"description": "HUD Fair Market Rents for a US county by fiscal year, efficiency through 4-bedroom, from the HUD USER API, for program-rent questions. Returns the same records as locus_fair_market_rents. Use this when your client can only call paid x402 routes. Use locus_fair_market_rents instead when you can call Locus free tools (REST tools/call or MCP).",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"address": "1 E Edenton St, Raleigh, NC 27601"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"caveats": [
"Fair Market Rents are HUD program parameters (40th/50th percentile gross rents), not market listings or rent advice."
],
"configured": true,
"data": {
"data": {
"area_name": "Raleigh-Cary, NC MSA",
"basicdata": [
{
"Efficiency": 1489,
"Four-Bedroom": 2823,
"One-Bedroom": 1552,
"Three-Bedroom": 2103,
"Two-Bedroom": 1689,
"zip_code": "MSA level"
},
{
"Efficiency": 1060,
"Four-Bedroom": 1980,
"One-Bedroom": 1080,
"Three-Bedroom": 1500,
"Two-Bedroom": 1220,
"zip_code": "27501"
}
],
"counties_msa": "",
"county_name": "Wake County, NC",
"metro_name": "Raleigh-Cary, NC",
"metro_status": "1.0",
"smallarea_status": "1",
"town_name": "",
"year": "2027"
}
},
"entityId": "3718399999",
"note": "Awareness/diagnostic only. Full briefs are x402-paid. Agents can discover live free tools at https://api.locus.report/tools/list and paid tools, prices, and manifests at https://api.locus.report/.well-known/ai-tool/index.json.",
"ok": true,
"provenance": {
"coverage": "national, by county or metro, annual by fiscal year",
"serviceUrl": "https://www.huduser.gov/hudapi/public/fmr",
"source": "HUD USER Fair Market Rents API",
"sourcePage": "https://www.huduser.gov/portal/dataset/fmr-api.html"
},
"verifyNext": [
{
"step": "FMR methodology and documentation.",
"url": "https://www.huduser.gov/portal/datasets/fmr.html"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"address": {
"maxLength": 200,
"minLength": 5,
"type": "string"
},
"countyFips3": {
"maxLength": 3,
"minLength": 1,
"type": "string"
},
"latitude": {
"maximum": 90,
"minimum": -90,
"type": "number"
},
"longitude": {
"maximum": 180,
"minimum": -180,
"type": "number"
},
"place": {
"maxLength": 200,
"minLength": 2,
"type": "string"
},
"stateFips": {
"maxLength": 2,
"minLength": 1,
"type": "string"
},
"year": {
"maximum": 2030,
"minimum": 2015,
"type": "integer"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_vz5zyuko"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"locus.freePreflight": {
"coverageBeforeCharge": true,
"laneTool": "locus_lane_availability",
"mcpUrl": "https://mcp.locus.report/mcp",
"recommendedTool": "locus_coverage_check",
"skillInstall": "npx @velinussage/locus-agent-skill add",
"skillUrl": "https://api.locus.report/.well-known/skill.md",
"toolsCallUrl": "https://api.locus.report/tools/call",
"toolsListUrl": "https://api.locus.report/tools/list",
"unsupportedReturnsFreeDiagnostic": true,
"version": 2
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0xF121fbeceC43e1B616D47285851c20d5fC64431b",
"resourceUrl": "https://api.locus.report/api/locus-fair-market-rents",
"scheme": "exact",
"validUntil": 1791390624,
"version": 1
},
"signature": "0x5804843ed747a0ed8f24f649d6748f61438b06ef8d1e42bd015b2971227aa1c55db35e9fb5eb10a9786feab10d236d781f012846588ad16ff28e5759d4ce8b0b1b"
}
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"offers": {
"items": {
"properties": {
"acceptIndex": {
"type": "integer"
},
"format": {
"type": "string"
},
"payload": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"payTo": {
"type": "string"
},
"resourceUrl": {
"type": "string"
},
"scheme": {
"type": "string"
},
"validUntil": {
"type": "integer"
},
"version": {
"type": "integer"
}
},
"required": [
"version",
"resourceUrl",
"scheme",
"network",
"asset",
"payTo",
"amount"
],
"type": "object"
},
"signature": {
"type": "string"
}
},
"required": [
"format",
"signature"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"offers"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-07T16:29:24.522Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-07T16:29:23.456Z"
},
"resource": "https://api.locus.report/api/locus-fair-market-rents",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "HUD Fair Market Rents for a US county by fiscal year, efficiency through 4-bedroom, from the HUD USER API, for program-rent questions. Returns the same records as locus_fair_market_rents. Use this when your client can only call paid x402 routes. Use locus_fair_market_rents instead when you can call Locus free tools (REST tools/call or MCP)."
}What the leaf hashes
{"body":"1f6b3eac782f19d5c0a5b1e9557afb52065cf389e2ebaa38f06132a1683cd68b","id":66949,"kind":"listing","method":"baseline/1","observed_us":1793025461687111,"prev":null,"subject":"x402_bazaar:https://api.locus.report/api/locus-fair-market-rents","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x2d9ad1b6b031f9a4ee61f40ec63c22d20e9d2c4a0148413e6e14c2c5dba0f14f
- 0x8e4ceca419acd7b8de96213e9fa38ed436142ec95c43cdbc70ee9f59afc9f2f4
- 0x2b995b695712e6ded301951d3115ce4a562217cc75d1be789b56a41ee4d755be
- 0x354de05a6180278f6b377959c825e334e228c626073ffe06b2e0df0ce733b6f8
- 0xb3eb54e774bb5de11121efe2d3c272c94cfe67ee9189278c46cc7e702c87e932
- 0xf7851da7365761d17329c3a5b3d2c7b0b114b99048cce1b711ed7be87afdf454
- 0xc1807a20380a5cc6e6331bf36a3a61fca4c4aa26f061a68c0c2c3616ad59bc92
- 0x8498625021a27de3400f88065f86653480c5305c51e6386790a92b8d0cc94b86
- 0xe76deb2eca22e53c8cabed975a1c5640eaa41ef8ba40a91b5033439c183e013f
- 0xfebc7a0b0bf8746a2821ac5da36e68a391f5528503546c156de64dcfb3f4e54e
- 0x0a14d7531a251f3320f61b058ccd68e743331eaf8f3058982b949d68be76670c
- 0xf89d9951e0a8e08b9cf11177a1f4e0fd86d9facc5dfecaabbfe564675ebefef7
- 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
- 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae