Roundhouse AI

Massive

Get the most recent news articles relating to a stock ticker symbol, including a summary of the article and a link to the original source. Can't find what you're looking for? POST feedback to /feedback, no charge.

DataLiveeip155:8453Exactvia cdp
https://agent.massive.com/v2/reference/news
NewsArticlesStocks
Calls · 30d
32↑ 4.8%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 25 snapshots so far.
$29.66
Verified settled volume
2,966 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
Listed price
As published in the catalog. Always read the live 402 before paying.
32
Calls · 30d
Upstream's own call count for this endpoint, not ours.
8
Unique payers · 30d
Last called 2026-09-23 02:08Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x525f6dDcE9aF7a7179D7696aaBfCd5FCd15a21e6

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "status": "PAYMENT_REQUIRED",
  "message": "See the PAYMENT-REQUIRED header for the payment terms."
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.01USDC≈ $0.01 USD
on Base · exact scheme

Pay 0.01 USDC on Base to 0x525f…a21e6. The signed payment is good for 1 minute.

Paid to
0x525f…a21e6
USD Coin contract
0x8335…02913
Payment window
1 minute
As published
10000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x525f6dDcE9aF7a7179D7696aaBfCd5FCd15a21e6",
    "amount": "10000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "sort": "published_utc",
          "limit": 10,
          "order": "asc"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "count": 1,
          "status": "OK",
          "results": [
            {
              "id": "8ec638777ca03b553ae516761c2a22ba2fdd2f37befae3ab6fdab74e9e5193eb",
              "title": "Markets are underestimating Fed cuts: UBS By Investing.com - Investing.com UK",
              "author": "Sam Boughedda",
              "amp_url": "https://m.uk.investing.com/news/stock-market-news/markets-are-underestimating-fed-cuts-ubs-3559968?ampMode=1",
              "tickers": [
                "UBS"
              ],
              "insights": [
                {
                  "ticker": "UBS",
                  "sentiment": "positive",
                  "sentiment_reasoning": "UBS analysts are providing a bullish outlook on the extent of future Federal Reserve rate cuts, suggesting that markets are underestimating the number of cuts that will occur."
                }
              ],
              "keywords": [
                "Federal Reserve",
                "interest rates",
                "economic data"
              ],
              "image_url": "https://i-invdn-com.investing.com/news/LYNXNPEC4I0AL_L.jpg",
              "publisher": {
                "name": "Investing.com",
                "logo_url": "https://s3.massive.com/public/assets/news/logos/investing.png",
                "favicon_url": "https://s3.massive.com/public/assets/news/favicons/investing.ico",
                "homepage_url": "https://www.investing.com/"
              },
              "article_url": "https://uk.investing.com/news/stock-market-news/markets-are-underestimating-fed-cuts-ubs-3559968",
              "description": "UBS analysts warn that markets are underestimating the extent of future interest rate cuts by the Federal Reserve, as the weakening economy is likely to justify more cuts than currently anticipated.",
              "published_utc": "2024-06-24T18:33:53Z"
            }
          ],
          "next_url": "https://api.massive.com:443/v2/reference/news?cursor=eyJsaW1pdCI6MSwic29ydCI6InB1Ymxpc2hlZF91dGMiLCJvcmRlciI6ImFzY2VuZGluZyIsInRpY2tlciI6e30sInB1Ymxpc2hlZF91dGMiOnsiZ3RlIjoiMjAyMS0wNC0yNiJ9LCJzZWFyY2hfYWZ0ZXIiOlsxNjE5NDA0Mzk3MDAwLG51bGxdfQ",
          "request_id": "831afdb0b8078549fed053476984947a"
        }
      }
    },
    "schema": {
      "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",
              "properties": {
                "sort": {
                  "enum": [
                    "published_utc"
                  ],
                  "type": "string",
                  "default": "published_utc",
                  "description": "Sort field used for ordering."
                },
                "limit": {
                  "type": "integer",
                  "default": 10,
                  "maximum": 1000,
                  "minimum": 1,
                  "description": "Limit the number of results returned, default is 10 and max is 1000."
                },
                "order": {
                  "enum": [
                    "asc",
                    "desc"
                  ],
                  "type": "string",
                  "default": "desc",
                  "description": "Order results based on the `sort` field."
                },
                "ticker": {
                  "type": "string",
                  "description": "Specify a case-sensitive ticker symbol. For example, AAPL represents Apple Inc."
                },
                "ticker.gt": {
                  "type": "string",
                  "description": "Search by ticker."
                },
                "ticker.lt": {
                  "type": "string",
                  "description": "Search by ticker."
                },
                "ticker.gte": {
                  "type": "string",
                  "description": "Search by ticker."
                },
                "ticker.lte": {
                  "type": "string",
                  "description": "Search by ticker."
                },
                "published_utc": {
                  "type": "string",
                  "description": "Return results published on, before, or after this date."
                },
                "published_utc.gt": {
                  "type": "string",
                  "description": "Search by published_utc."
                },
                "published_utc.lt": {
                  "type": "string",
                  "description": "Search by published_utc."
                },
                "published_utc.gte": {
                  "type": "string",
                  "description": "Search by published_utc."
                },
                "published_utc.lte": {
                  "type": "string",
                  "description": "Search by published_utc."
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-09-23 02:08Z
Last indexed by Roundhouse
2026-09-25 02:50Z
Last enriched (probe, favicon, geo)
2026-09-21 23:15Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 402
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 25 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service Massive and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=Massive'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://agent.massive.com/v2/reference/news, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.