# LUMEN B2B Export Pulse Research

> LUMEN B2B Export Pulse Research is a paid API for AI agents from lumen-zero-x402.lumen-b2b.workers.dev, paid per call via x402, $25/call, status unknown (last checked 2026-10-12).

Provides paid B2B export market research and sourcing intelligence via a per-request $25 USDC payment on Base mainnet, queued for human-reviewed fulfillment

## Facts

- Endpoint: GET https://lumen-zero-x402.lumen-b2b.workers.dev/buy/export-pulse?utm_source=zero.xyz
- Price: $25/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/lumen-b2b-export-pulse-research-2c40e28a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_CpqeALsF3JoEEDX3qe8bf

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 lumen-b2b-export-pulse-research-2c40e28a
```

Example prompt: I need export market research for industrial-grade lithium battery cells — can you submit a sourcing brief to LUMEN B2B's Export Pulse service describing that we need verified Asian manufacturers with ISO certification, MOQ under 10,000 units, and export capability to the EU?

## When to prefer this

Choose this endpoint when you need substantive, human-reviewed B2B export sourcing intelligence and are willing to pay $25 per query and wait for non-autonomous fulfillment. It is appropriate for high-stakes procurement decisions where AI-only lookup is insufficient and a verified human research step adds value. Prefer this over generic web search or automated supplier databases when the query requires nuanced judgment, supplier verification, or export compliance context that automated tools cannot reliably provide.

## Known failure modes

- Payment not authorized on Base mainnet — request is not queued
- Sourcing brief too short (under 12 characters) or too long (over 1200 characters) — validation error
- Network or worker failure on Cloudflare Workers edge — 5xx response
- Insufficient USDC balance for $25 payment — transaction rejected
- Human approval step introduces significant delay before research is delivered
- No result returned if LUMEN reviewer determines brief is incomplete or out of scope

## How this service works

Real B2B sourcing and procurement research. Seven paid endpoints on Base mainnet. Payment settlement requires individual human approval by LUMEN. No autonomous purchases.

## Output

Returns a JSON object confirming payment authorization and queuing of the sourcing brief, including an ok flag, productId, receiptId, amountUsd, payment authorization status, and a nextAction field indicating what happens after human review by LUMEN staff completes the research.

## 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": [],
     "properties": {
      "requirement": {
       "type": "string",
       "maxLength": 1200,
       "minLength": 12,
       "description": "Nonconfidential sourcing brief; 12-1200 characters; queued only after a verified settlement."
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "required": [
      "ok",
      "productId",
      "amountUsd"
     ],
     "properties": {
      "ok": {
       "type": "boolean"
      },
      "status": {
       "type": "string"
      },
      "amountUsd": {
       "type": "number"
      },
      "productId": {
       "type": "string"
      },
      "receiptId": {
       "type": "string"
      },
      "nextAction": {
       "type": "string"
      },
      "paymentAuthorizationVerified": {
       "type": "boolean"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/lumen-b2b-export-pulse-research-2c40e28a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from lumen-zero-x402.lumen-b2b.workers.dev](https://www.zero.xyz/host/lumen-zero-x402.lumen-b2b.workers.dev/llms.txt)