api.greyridgesignals.ai

Agent-native, pay-per-call data on Base mainnet. Base RPC reads, crypto/DeFi/prediction markets, and security endpoints—no account, no API key. Settled inline in USDC over x402 protocol.

TradingLiveeip155:8453Exactvia cdp
Settlements · 30d
313↑ 194%
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$1.46
Verified settled volume
393 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0040
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-27 17:22Z
–
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x5765ae06a52dc7A0BB71c36A11db512c7ea9ed10

The wallet the 402 directs payment to. Its full payment record 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.

Recent payments · which agents last used it

Every indexed settlement paid to this service’s wallet, newest first. The index does not record which endpoint a payment was for, so if this wallet serves more than one endpoint, the rows include payments for the others. Paged up to the newest 5,000; the full history is on the merchant page.

Payer PayeeChainAmountx402RouteAgeTxn hash
0x8d2a…7d370x5765…ed10BaseBase$0.00170%0x2772…8c1769d ago0x1481ce…8232fc
0x8d2a…7d370x5765…ed10BaseBase$0.00470%0x2772…8c1769d ago0xde49bb…4e4dd2
0x8d2a…7d370x5765…ed10BaseBase$0.00170%0x2772…8c1769d ago0x266f51…e45cd7
0x8d2a…7d370x5765…ed10BaseBase$0.00470%0x2772…8c1769d ago0xd3d6ee…94d6a4
0xc9c7…16700x5765…ed10BaseBase$0.00570%0x2772…8c1770d ago0x437eb7…c04c47
0xc9c7…16700x5765…ed10BaseBase$0.00170%0x2772…8c1770d ago0x72829b…24fc43
0xc9c7…16700x5765…ed10BaseBase$0.00170%0x2772…8c1770d ago0x7e24e2…0b8b81
0x3a3f…f3a70x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x41826b…2c7925
0xfa1c…65d10x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x5c922b…a519de
0xd579…071a0x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x0b143f…cb1ee9
0x9688…d92d0x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x7b6b3f…56e37f
0x09c3…beee0x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x188ef3…61a56c
0x9688…d92d0x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0xc319b2…a2d3fb
0xedc6…d2d00x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x7397c4…0eaa9e
0x7fd9…b5290x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x236d2c…94e81f
0x01f9…84d30x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x2f0685…a20241
0xedc6…d2d00x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x2d0db4…9a6310
0x01f9…84d30x5765…ed10BaseBase$0.00170%0x2772…8c1771d ago0x8adc6b…496256
0x8d2a…7d370x5765…ed10BaseBase$0.00170%0x2772…8c1772d ago0x52dac4…19953c
0x8d2a…7d370x5765…ed10BaseBase$0.00470%0x2772…8c1772d ago0xe454ca…06b7d6
0x8d2a…7d370x5765…ed10BaseBase$0.00170%0x2772…8c1772d ago0x52769a…01859f
0x8d2a…7d370x5765…ed10BaseBase$0.00170%0x2772…8c1772d ago0x02fa26…90611d
0x8d2a…7d370x5765…ed10BaseBase$0.00470%0x2772…8c1772d ago0x64571a…e660f4
0x8d2a…7d370x5765…ed10BaseBase$0.00470%0x2772…8c1772d ago0xdad1f0…d23500
0x8d2a…7d370x5765…ed10BaseBase$0.00470%0x2772…8c1772d ago0xd8e37c…0dcb0f

Accepts

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

0.004USDC≈ $0.004 USD
on Base · exact scheme

Pay 0.004 USDC on Base to 0x5765…9ed10. The signed payment is good for 5 minutes.

USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
4000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x5765ae06a52dc7A0BB71c36A11db512c7ea9ed10",
    "amount": "4000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "limit": "20"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "coin": "BTC",
          "markPx": 63730,
          "signal": "LONGS_PAY",
          "funding": {
            "okx": 0.0000492,
            "dydx": -0.00000875,
            "hyperliquid": 0.0000125
          },
          "premium": 0.00012,
          "oraclePx": 63750,
          "dayNtlVlm": 1670654479.062529,
          "openInterest": 37519.8698399999,
          "annualized_hl": 0.1095,
          "annualized_okx": 0.05387,
          "best_long_venue": "hyperliquid",
          "next_funding_ts": 1784304000000,
          "best_short_venue": "okx",
          "funding_spread_bps": 0.37
        }
      }
    },
    "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": {
                "limit": {
                  "type": "string",
                  "description": "Max coins to return (default 20, max 100)"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-08-18 14:31Z
Last indexed by Roundhouse
2026-09-23 18:10Z
Last enriched (probe, favicon, geo)
2026-09-23 03:45Z
x402 version
2
Max timeout
300s
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

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. 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 api.greyridgesignals.ai 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=api.greyridgesignals.ai'
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://api.greyridgesignals.ai/crypto/funding, 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. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

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