← The evidence ledger
Evidence row 67370
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.mekler.ai/v1/web/headers/check-security-policy
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ef3ee81dcc0c6413bf68070048fa5ecf3a23acec2de8371c8d0f272a49e0dece
- Leaf
- 0xe6fa7161c22e2e012c52adbda0446e89a0e2097baf03de2c50c0a6d90d157e61
What was observed
{
"endpoints": [
[
"x402",
"https://api.mekler.ai/v1/web/headers/check-security-policy"
]
],
"name": "Mekler AI",
"owner_address": "0xf6c6e2e530bb311c14a49c1a07c720fc232c07c5",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"meklerQuote": "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.5446e05be11de412cd09b512ed8f7cd8480e85c64bed8f17a313ba8b7a2baedb",
"memo": "m:VEbgW-Ed5BLNCbUS7Y982A"
},
"maxTimeoutSeconds": 60,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "9mMDrHabSf73MPn1ANdANSmsNw2wKiqE7JZ7eD6EUSRc",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"meklerQuote": "eyJhbW91bnQiOiI1MDAwIiwiYXNzZXQiOiIweDgzMzU4OWZDRDZlRGI2RTA4ZjRjN0MzMkQ0ZjcxYjU0YmRBMDI5MTMiLCJkaWdlc3QiOiJiNTdkYmQ2OWFhMDI4ZDBiMTlkODMwMmFjY2ZhNTIwNjI5MGI3OWFjM2Y5ZDdjN2IwMzRiMTI1ODc0NGVhNTkxIiwiZXhwaXJlcyI6MTc5MjUwNjk2NiwiZmVlUGF5ZXIiOiIiLCJuZXR3b3JrIjoiZWlwMTU1Ojg0NTMiLCJvcmlnaW4iOiJodHRwczovL2FwaS5tZWtsZXIuYWkiLCJwYXRoIjoiL3YxL3dlYi9oZWFkZXJzL2NoZWNrLXNlY3VyaXR5LXBvbGljeSIsInBheVRvIjoiMHhGNmM2RTJlNTMwYmIzMTFjMTRhNDlDMWEwN0M3MjBmYzIzMmMwN2M1IiwicHJvdmlkZXIiOiJjZHAiLCJ2ZXJzaW9uIjoiaHR0cC1zZWN1cml0eS1pbnNwZWN0aW9uLXYxIn0=.1ae226a2c2f90e3cb5c1d6027b5ca9f4e98656ee64051b5be0635f68f5c3d7da",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0xF6c6E2e530bb311c14a49C1a07C720fc232c07c5",
"scheme": "exact"
}
],
"description": "Inspect one public URL for observed security headers and cross-origin configuration. Send passive GET and credential-free OPTIONS with a supplied origin, requested method and optional header names; return exact selected headers and evidence-linked findings. No authorization/cookies, exploit attempts, state-changing requests, browser enforcement guarantee or full CSP/TLS analysis.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"origin": "https://mekler.ai",
"request_headers": [],
"request_id": "http-security-example-001",
"requested_method": "GET",
"url": "https://mekler.ai/"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"findings": [
{
"code": "hsts_absent",
"evidence": "No HSTS response header.",
"recommendation": "Consider HSTS after confirming HTTPS coverage for the intended host scope.",
"severity": "info"
},
{
"code": "csp_absent",
"evidence": "No enforced CSP response header.",
"recommendation": "Consider a tested CSP appropriate to the application; report-only is not enforcement.",
"severity": "info"
}
],
"http_status": 200,
"limitations": [
"Passive GET and credential-free OPTIONS observations only; no cookies, authorization, exploit attempts or state-changing method is sent.",
"Observed policies may vary by route, origin, browser and authentication. This is not a vulnerability scan or a browser enforcement/safety certification.",
"CSP syntax/effective-policy analysis and TLS certificate inspection are outside this operation."
],
"observed_at": "2026-10-20T00:00:00Z",
"origin": "https://mekler.ai",
"preflight": {
"headers": {
"access-control-allow-methods": "GET, HEAD",
"access-control-allow-origin": "*",
"x-content-type-options": "nosniff"
},
"http_status": 200,
"url": "https://mekler.ai/"
},
"request_headers": [],
"requested_method": "GET",
"response_headers": {
"access-control-allow-methods": "GET, HEAD",
"access-control-allow-origin": "*",
"x-content-type-options": "nosniff"
},
"status": "ok",
"url": "https://mekler.ai/"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"origin": {
"default": "https://mekler.ai",
"maxLength": 2048,
"type": "string"
},
"request_headers": {
"default": [],
"items": {
"pattern": "^[a-z0-9-]{1,64}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
},
"request_id": {
"pattern": "^[A-Za-z0-9_-]{16,64}$",
"type": "string"
},
"requested_method": {
"default": "GET",
"enum": [
"GET",
"HEAD",
"POST",
"PUT",
"PATCH",
"DELETE"
],
"type": "string"
},
"url": {
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url",
"request_id"
],
"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": {
"additionalProperties": false,
"properties": {
"findings": {
"items": {
"additionalProperties": false,
"properties": {
"code": {
"type": "string"
},
"evidence": {
"type": "string"
},
"recommendation": {
"type": "string"
},
"severity": {
"type": "string"
}
},
"required": [
"code",
"severity",
"evidence",
"recommendation"
],
"type": "object"
},
"type": "array"
},
"http_status": {
"type": "integer"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"observed_at": {
"type": "string"
},
"origin": {
"type": "string"
},
"preflight": {
"additionalProperties": false,
"properties": {
"headers": {
"additionalProperties": {
"type": "string"
},
"maxProperties": 20,
"type": "object"
},
"http_status": {
"type": "integer"
},
"url": {
"type": "string"
}
},
"required": [
"http_status",
"url",
"headers"
],
"type": "object"
},
"request_headers": {
"items": {
"type": "string"
},
"type": "array"
},
"requested_method": {
"type": "string"
},
"response_headers": {
"additionalProperties": {
"type": "string"
},
"maxProperties": 20,
"type": "object"
},
"status": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"status",
"url",
"observed_at",
"http_status",
"origin",
"requested_method",
"request_headers",
"response_headers",
"preflight",
"findings",
"limitations"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T14:34:06.021Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-20T14:34:05.676Z"
},
"resource": "https://api.mekler.ai/v1/web/headers/check-security-policy",
"serviceName": "Mekler AI",
"tags": [
"Web",
"HTTP security",
"CORS"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Inspect one public URL for observed security headers and cross-origin configuration. Send passive GET and credential-free OPTIONS with a supplied origin, requested method and optional header names; return exact selected headers and evidence-linked findings. No authorization/cookies, exploit attempts, state-changing requests, browser enforcement guarantee or full CSP/TLS analysis."
}What the leaf hashes
{"body":"ef3ee81dcc0c6413bf68070048fa5ecf3a23acec2de8371c8d0f272a49e0dece","id":67370,"kind":"listing","method":"baseline/1","observed_us":1793025462668175,"prev":null,"subject":"x402_bazaar:https://api.mekler.ai/v1/web/headers/check-security-policy","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.