Api Endpoint

overwing.ai

Overwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.

Open interactive test console

Offering

Provider
overwing.ai
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://overwing.ai/api/x402/execute
MIME type
application/json
First seen
2026-10-16T02:24:16.699Z
Last seen
Tags
pii, moderation, toxicity, guardrails, dlp, Safety, personal-data, content-moderation, output-filter, LLM, Agents, Email, Messaging, compliance

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0xF4A6CEa7CE19CE36D6420905E5a1EAFb30Bfd133"
  }
]

Observed health

Status
Healthy
Latest latency
74 ms
Average latency
308 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "string",
          "maxLength": 100000,
          "description": "The text to check: a draft message, a model's output, an incoming message, a post"
        },
        "rule_set": {
          "type": "string",
          "default": "content-safety",
          "enum": [
            "content-safety",
            "outbound-message"
          ],
          "description": "content-safety: toxicity, personal data, self-harm, sexual content, severity. outbound-message: the same plus unauthorized personal data and confidential leaks, judged against context"
        },
        "context": {
          "type": "object",
          "description": "Facts the rules may use: recipient, channel (email, chat, public post), owns_contact_info (true when the recipient already owns the personal data in the text), sender, purpose. Max 8 KB"
        },
        "metadata": {
          "type": "object",
          "description": "Opaque data stored with the verdict (max 8 KB). The input text and context are not stored"
        }
      }
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string"
        },
        "verdict": {
          "type": "string",
          "enum": [
            "pass",
            "fail",
            "review"
          ],
          "description": "fail: a rule matched. review: a rule was unsure. pass: neither"
        },
        "recommended_action": {
          "type": "string",
          "enum": [
            "block",
            "redact",
            "review",
            "allow"
          ],
          "description": "The one field to branch on. block: do not send. redact: remove the flagged content and check again. review: ask a human. allow: proceed"
        },
        "aggregate_score": {
          "type": "number",
          "description": "0 to 1, weighted across rules"
        },
        "confidence": {
          "type": "number",
          "description": "Minimum confidence across rules, 0 to 1"
        },
        "latency_ms": {
          "type": "integer"
        },
        "results": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "rule": {
                "type": "string"
              },
              "type": {
                "type": "string",
                "enum": [
                  "choice",
                  "score",
                  "noul"
                ]
              },
              "answer": {},
              "probability": {
                "type": "number"
              },
              "confidence": {
                "type": "number"
              },
              "verdict": {
                "type": "string",
                "enum": [
                  "pass",
                  "fail",
                  "review"
                ]
              },
              "action": {
                "type": "string",
                "enum": [
                  "block",
                  "redact",
                  "review"
                ],
                "description": "What this rule asks for when it fails"
              }
            }
          }
        }
      }
    }
  },
  "required": [
    "type"
  ]
}