{ "x402Version": 2, "id": 42673, "slug": "42673", "resource": "https://seenly-payload-check.vercel.app/api/check", "description": "Payload Check: data-quality filter for agents. Send any payload (tool/API output, scraped page, LLM answer, generated code, JSON, CSV) and get a 0-100 quality score, pass/warn/fail, tags and concrete issues: invalid or truncated JSON (with auto-repair), JSON Schema mismatches, syntax errors, bot-challenge/captcha/404 scrapes, LLM refusals, placeholders, repetition loops, mojibake. Deterministic, no LLM, payload not stored.", "type": "http", "serviceName": "Payload Check", "resourceType": "AI Inference", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0xeE6239F3E17bEBe5e89F21F29D74D68CAa0d78CE", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "10000", "amountUsd": 0.01, "maxTimeoutSeconds": 120 } ], "outputSchema": { "properties": { "example": { "properties": { "action": { "type": "string" }, "detected_type": { "enum": [ "json", "code", "text", "html", "csv" ], "type": "string" }, "issues": { "items": { "properties": { "code": { "type": "string" }, "location": { "type": "string" }, "message": { "type": "string" }, "severity": { "enum": [ "critical", "major", "minor", "info" ], "type": "string" } }, "type": "object" }, "type": "array" }, "quality_score": { "description": "100 = clean. Critical issue -60, major -25, minor -8.", "maximum": 100, "minimum": 0, "type": "integer" }, "repaired": { "description": "Only for broken-but-fixable JSON: content (fixed JSON string), steps[].", "type": "object" }, "stats": { "type": "object" }, "tags": { "description": "e.g. invalid_json, truncated, schema_mismatch, scrape_failure, bot_challenge, llm_refusal, placeholder, repetitive, syntax_error, empty, clean", "items": { "type": "string" }, "type": "array" }, "usable": { "type": "boolean" }, "verdict": { "enum": [ "pass", "warn", "fail" ], "type": "string" } }, "required": [ "quality_score", "verdict", "usable", "tags", "issues" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "body": { "content": "```json\n{\"name\": \"Acme Widget\", \"price\": 12.5, \"tags\": [\"tools\", \"home\",], \"sku\": \"N/A\"}\n```", "expect": "auto" }, "bodyType": "json", "method": "GET", "type": "http" }, "output": { "example": { "action": "Use repaired.content (auto-fixed JSON) or retry the source.", "check_version": "dq-0.1.0", "detected_type": "json", "issues": [ { "code": "json_invalid", "message": "Not valid JSON: Unexpected token '`', \"```json\n{\"\"... is not valid JSON", "severity": "critical" }, { "code": "placeholder_values", "message": "Placeholder-looking values (N/A, TODO, lorem ipsum, \"string\"...) at: sku", "severity": "minor" } ], "quality_score": 32, "repaired": { "content": "{\"name\": \"Acme Widget\", \"price\": 12.5, \"tags\": [\"tools\", \"home\"], \"sku\": \"N/A\"}", "note": "Mechanical repair only; check the steps (a closed truncation means data is missing).", "steps": [ "removed markdown code fence", "removed trailing commas" ] }, "tags": [ "invalid_json", "repairable", "placeholder" ], "usable": false, "verdict": "fail" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "content": { "description": "The payload to check (max 256 KB): JSON (even broken), code, scraped text or HTML, CSV, an LLM answer. Objects/arrays are accepted and checked as JSON.", "type": "string" }, "expect": { "default": "auto", "description": "What the payload should be. auto detects it.", "enum": [ "auto", "json", "code", "text", "html", "csv" ], "type": "string" }, "language": { "description": "Optional code language (javascript, typescript, jsx, tsx get a real parser; python, go, rust, sql, shell get structural checks).", "type": "string" }, "min_chars": { "description": "Optional minimum length for text payloads.", "minimum": 0, "type": "integer" }, "min_score": { "default": 80, "description": "Score at or above which the verdict is pass (fail is always < 45 or any critical issue).", "maximum": 100, "minimum": 0, "type": "number" }, "repair": { "default": true, "description": "Try a conservative mechanical repair of broken JSON and return it.", "type": "boolean" }, "requestKey": { "description": "Optional idempotency key, echoed back.", "maxLength": 128, "type": "string" }, "schema": { "description": "Optional JSON Schema (draft-07/2019) the JSON payload must match.", "type": "object" } }, "required": [ "content" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "GET" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "action": { "type": "string" }, "detected_type": { "enum": [ "json", "code", "text", "html", "csv" ], "type": "string" }, "issues": { "items": { "properties": { "code": { "type": "string" }, "location": { "type": "string" }, "message": { "type": "string" }, "severity": { "enum": [ "critical", "major", "minor", "info" ], "type": "string" } }, "type": "object" }, "type": "array" }, "quality_score": { "description": "100 = clean. Critical issue -60, major -25, minor -8.", "maximum": 100, "minimum": 0, "type": "integer" }, "repaired": { "description": "Only for broken-but-fixable JSON: content (fixed JSON string), steps[].", "type": "object" }, "stats": { "type": "object" }, "tags": { "description": "e.g. invalid_json, truncated, schema_mismatch, scrape_failure, bot_challenge, llm_refusal, placeholder, repetitive, syntax_error, empty, clean", "items": { "type": "string" }, "type": "array" }, "usable": { "type": "boolean" }, "verdict": { "enum": [ "pass", "warn", "fail" ], "type": "string" } }, "required": [ "quality_score", "verdict", "usable", "tags", "issues" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } }, "tags": [ "data-quality", "validation", "json-repair", "scrape-check", "guardrails", "bazaar" ], "sourceHost": "seenly-payload-check.vercel.app", "lastUpdated": "2026-10-09T14:54:36.984Z", "quality": { "calls30d": 1, "uniquePayers30d": 1, "lastCalledAt": "2026-10-09T14:54:36.838Z" }, "metadata": { "serviceName": "Payload Check", "extensions": { "bazaar": { "info": { "input": { "body": { "content": "```json\n{\"name\": \"Acme Widget\", \"price\": 12.5, \"tags\": [\"tools\", \"home\",], \"sku\": \"N/A\"}\n```", "expect": "auto" }, "bodyType": "json", "method": "GET", "type": "http" }, "output": { "example": { "action": "Use repaired.content (auto-fixed JSON) or retry the source.", "check_version": "dq-0.1.0", "detected_type": "json", "issues": [ { "code": "json_invalid", "message": "Not valid JSON: Unexpected token '`', \"```json\n{\"\"... is not valid JSON", "severity": "critical" }, { "code": "placeholder_values", "message": "Placeholder-looking values (N/A, TODO, lorem ipsum, \"string\"...) at: sku", "severity": "minor" } ], "quality_score": 32, "repaired": { "content": "{\"name\": \"Acme Widget\", \"price\": 12.5, \"tags\": [\"tools\", \"home\"], \"sku\": \"N/A\"}", "note": "Mechanical repair only; check the steps (a closed truncation means data is missing).", "steps": [ "removed markdown code fence", "removed trailing commas" ] }, "tags": [ "invalid_json", "repairable", "placeholder" ], "usable": false, "verdict": "fail" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "content": { "description": "The payload to check (max 256 KB): JSON (even broken), code, scraped text or HTML, CSV, an LLM answer. Objects/arrays are accepted and checked as JSON.", "type": "string" }, "expect": { "default": "auto", "description": "What the payload should be. auto detects it.", "enum": [ "auto", "json", "code", "text", "html", "csv" ], "type": "string" }, "language": { "description": "Optional code language (javascript, typescript, jsx, tsx get a real parser; python, go, rust, sql, shell get structural checks).", "type": "string" }, "min_chars": { "description": "Optional minimum length for text payloads.", "minimum": 0, "type": "integer" }, "min_score": { "default": 80, "description": "Score at or above which the verdict is pass (fail is always < 45 or any critical issue).", "maximum": 100, "minimum": 0, "type": "number" }, "repair": { "default": true, "description": "Try a conservative mechanical repair of broken JSON and return it.", "type": "boolean" }, "requestKey": { "description": "Optional idempotency key, echoed back.", "maxLength": 128, "type": "string" }, "schema": { "description": "Optional JSON Schema (draft-07/2019) the JSON payload must match.", "type": "object" } }, "required": [ "content" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "GET" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "action": { "type": "string" }, "detected_type": { "enum": [ "json", "code", "text", "html", "csv" ], "type": "string" }, "issues": { "items": { "properties": { "code": { "type": "string" }, "location": { "type": "string" }, "message": { "type": "string" }, "severity": { "enum": [ "critical", "major", "minor", "info" ], "type": "string" } }, "type": "object" }, "type": "array" }, "quality_score": { "description": "100 = clean. Critical issue -60, major -25, minor -8.", "maximum": 100, "minimum": 0, "type": "integer" }, "repaired": { "description": "Only for broken-but-fixable JSON: content (fixed JSON string), steps[].", "type": "object" }, "stats": { "type": "object" }, "tags": { "description": "e.g. invalid_json, truncated, schema_mismatch, scrape_failure, bot_challenge, llm_refusal, placeholder, repetitive, syntax_error, empty, clean", "items": { "type": "string" }, "type": "array" }, "usable": { "type": "boolean" }, "verdict": { "enum": [ "pass", "warn", "fail" ], "type": "string" } }, "required": [ "quality_score", "verdict", "usable", "tags", "issues" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "seenly-payload-check.vercel.app", "manifest_name": "seenly-payload-check.vercel.app", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "action": "string", "detected_type": "json", "issues": [ { "code": "string", "location": "string", "message": "string", "severity": "critical" } ], "quality_score": 0, "repaired": {}, "stats": {}, "tags": [ "string" ], "usable": true, "verdict": "pass" }, "type": "string" } }