# DataSig Blank Sailing Risk Signal

> DataSig Blank Sailing Risk Signal is a paid API for AI agents from datasig.ai, paid per call via x402, $0.07/call, status unknown (last checked 2026-09-14).

Returns real-time blank sailing risk intelligence for a specific carrier route between two ports, payable per call via USDC micropayment.

## Facts

- Endpoint: GET https://datasig.ai/signals/blank-sailing
- Price: $0.07/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/datasig-blank-sailing-risk-signal-1216423e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_rUzz4ogRsZQKi5aiuRrKT

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability datasig-blank-sailing-risk-signal-1216423e
```

Example prompt: What's the blank sailing risk for MSC sailing from Shanghai (CNSHA) to Los Angeles (USLAX)? I need to know if my shipment is at risk of the carrier skipping one of those ports.

## When to prefer this

Use this endpoint when an AI agent needs a fast, per-call, no-subscription signal on whether a specific ocean carrier is likely to blank sail a specific route. Ideal for logistics automation agents that need to make booking or contingency decisions in real time without managing API keys or long-term contracts. Prefer this over manual carrier website checks or slower freight analytics platforms when the agent needs an actionable signal (not just raw schedule data) with a built-in recommendation.

## Known failure modes

- INSUFFICIENT_DATA signal returned when no verified carrier schedule data exists for the route — agent should check carrier directly
- Invalid carrier SCAC code returns an error or INSUFFICIENT_DATA signal
- Invalid or unrecognized UN/LOCODE for origin or destination causes a data quality failure
- Payment failure via x402 micropayment blocks the response
- Rate limiting or network timeouts if micropayment processing is slow

## How this service works

DataSig delivers live supply chain action intelligence to AI agents via x402 micropayments. Tariff changes, port congestion, blank sailing risk, supplier distress. Pay per call in USDC on Base. No API key.

## Output

Returns a JSON object containing a 'signal' field (e.g. HIGH_RISK, LOW_RISK, INSUFFICIENT_DATA), an 'agent_action' recommendation (e.g. CHECK_CARRIER_DIRECTLY, BOOK_BACKUP), a 'reason' explaining the signal, and an 'x-datasig-data-quality' indicator reflecting confidence in the underlying data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "carrier",
      "origin",
      "destination"
     ],
     "properties": {
      "origin": {
       "type": "string",
       "description": "Origin port UN/LOCODE e.g. CNSHA"
      },
      "carrier": {
       "type": "string",
       "description": "Carrier SCAC e.g. MSC, MAEU, CMDU"
      },
      "destination": {
       "type": "string",
       "description": "Destination port UN/LOCODE e.g. USLAX"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "reason": "no_verified_carrier_schedule_data",
  "signal": "INSUFFICIENT_DATA",
  "agent_action": "CHECK_CARRIER_DIRECTLY",
  "x-datasig-data-quality": "insufficient"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/datasig-blank-sailing-risk-signal-1216423e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from datasig.ai](https://www.zero.xyz/host/datasig.ai/llms.txt)