# Bitcoin Transaction Volume USD (Blockchain.info via Cloudflare Worker)

> Bitcoin Transaction Volume USD (Blockchain.info via Cloudflare Worker) is a paid API for AI agents from finance-api.kdlcfa.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Returns the estimated Bitcoin transaction volume in USD over the latest reporting interval, sourced from the Blockchain.info stats API

## Facts

- Endpoint: GET https://finance-api.kdlcfa.workers.dev/btc-tx-volume-usd
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/bitcoin-transaction-volume-usd-blockchain-info-via-cloudflare-worker-3d0bccdc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_87p52AqSkKUJZ7jn9jHPh

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 bitcoin-transaction-volume-usd-blockchain-info-via-cloudflare-worker-3d0bccdc
```

Example prompt: What's the estimated Bitcoin transaction volume in USD over the latest reporting period, according to Blockchain.info?

## When to prefer this

Choose this endpoint when you need a quick, low-cost snapshot of Bitcoin on-chain transaction volume in USD without building a direct Blockchain.info integration. Ideal for dashboards, monitoring agents, or research pipelines that need a single aggregated USD volume figure rather than raw transaction-level data.

## Known failure modes

- Blockchain.info upstream outage returns error or stale data
- Worker returns 402 if payment header is missing or invalid
- Rate limiting or quota exhaustion at the Cloudflare Worker layer
- Data may reflect a delayed or incomplete reporting interval rather than real-time

## How this service works

Estimated Bitcoin transaction volume in USD over the latest reporting interval, via Blockchain.info stats API

## Output

A numeric value representing the estimated total Bitcoin transaction volume denominated in USD over the most recent reporting interval, as reported by Blockchain.info's stats API.

## 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": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/bitcoin-transaction-volume-usd-blockchain-info-via-cloudflare-worker-3d0bccdc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from finance-api.kdlcfa.workers.dev](https://www.zero.xyz/host/finance-api.kdlcfa.workers.dev/llms.txt)