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
311↑ 181%
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
391 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
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1739d ago0xc6648d…bc1449
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1739d ago0xe3cc59…a1a4aa
0x6031…c2d10x5765…ed10BaseBase$0.00170%0x2772…8c1741d ago0xef191a…f9f8e1
0x6031…c2d10x5765…ed10BaseBase$0.00170%0x2772…8c1741d ago0x93b98b…51dc62
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1746d ago0x326ef6…a7b45f
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1746d ago0x2e145c…18a96c
0xf9eb…e9d00x5765…ed10BaseBase$0.00170%0x2772…8c1748d ago0x97a9ff…927b47
0xf9eb…e9d00x5765…ed10BaseBase$0.00170%0x2772…8c1749d ago0x284dd2…82c09f
0xe720…a2c70x5765…ed10BaseBase$0.00470%0x2772…8c1750d ago0x170c72…c5f521
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1753d ago0x5e0c7e…29daa1
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1753d ago0x64be8e…eb0db3
0xe2ad…3a140x5765…ed10BaseBase$0.00170%0x2772…8c1757d ago0x9e40bd…6ddf26
0x7dd8…17d20x5765…ed10BaseBase$0.00170%0x2772…8c1759d ago0xff6ba2…cec416
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1759d ago0x6d89dd…c09e5d
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1759d ago0x0f7de3…dca565
0xf9eb…e9d00x5765…ed10BaseBase$0.00170%0x2772…8c1761d ago0x12cceb…83129d
0xe3ba…3fb30x5765…ed10BaseBase$0.00470%0x2772…8c1761d ago0x71f0e6…f682fd
0xe3ba…3fb30x5765…ed10BaseBase$0.00170%0x2772…8c1761d ago0xa6f9fd…9178b7
0x902d…82560x5765…ed10BaseBase$0.00470%0x2772…8c1763d ago0xf8821f…f0cb12
0x6e53…a2650x5765…ed10BaseBase$0.00170%0x2772…8c1765d ago0xf5ca5b…2bdc5a
0x9456…8f090x5765…ed10BaseBase$0.00170%0x2772…8c1766d ago0x0dc484…4b77c9
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1767d ago0x9c8bd9…9223a9
0xa19f…accc0x5765…ed10BaseBase$0.00170%0x2772…8c1767d ago0x4a3204…fb573a
0xbb5d…71a90x5765…ed10BaseBase$0.00570%0x2772…8c1767d ago0x464149…00d2aa
0xbb5d…71a90x5765…ed10BaseBase$0.00170%0x2772…8c1767d ago0x83a234…5a3cb1

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.