x402 List

x402 Protocol Service Directory

Greenwood Financial Intelligence

Finance PAYMENT-READY

payment-ready until 2026-09-18

Real-time SEC EDGAR insider trading signals, congressional STOCK Act disclosures, FEC political contribution monitoring, and compound signals — cross-referenced and scored. Pay per query via x402 on Base mainnet. No subscriptions, no API keys.

Pay from $0.002 to $0.025 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

measured since 2026-06-17 (start of our harvest window) · $0 all-time · last settled 2026-06-22

BASE URL https://api.greenwood.financial WEBSITE https://greenwood.financial/ ENDPOINTS 7 NETWORK Base ASSET USDC MEMBER SINCE 2026-06-12 MONITORED SINCE 2026-06-12

VERDICT

ranking generation 3

solid 80/100 #56 of 84 in Finance by measured score

What the score read on this service: status degraded, 99.4% uptime 30d, 1075ms response p95, x402 compliance 13 of 13, $0.002 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.

The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.

It is a score inside Finance, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 84 listings, this one among them. That set is wider than the 84 the position above is counted against, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.

Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.

ALTERNATIVES IN FINANCE

Other Finance services in this directory, ordered by the same measured score. The figures are ours: 30-day uptime from our own probes, 30-day settlement volume read on-chain (a conservative undercount, and null where we cannot measure it, never a zero).

Ranked alternative x402 services in the same category, with band, measured score, 30-day uptime and 30-day on-chain settlement volume
SERVICE BAND SCORE UPTIME 30D VOL 30D
Bitrefill strong 96 100% $555.55
Stock Trends Market Intelligence solid 91 99.9% $70.23
Losbeto — Cross-Asset Market Intelligence solid 91 99.1% $76.51
x402stock solid 90 100% $15.80
Central Command solid 89 100% $0
5 of 83 other ranked services in Finance · see the whole category

ASSESSMENT

updated 4h ago

The parts the verdict above is computed from, each with its proof. Click any chip. Measured values stay read-only; unknown is honest, and an unknown is never counted as a zero.

reliability 99.4%
uptime 24h
100%
uptime 7d
99.7%
uptime 30d
99.4%
uptime 90d
99.5%
response p95
1075ms
avg response
431ms
total checks
2,755

Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.

compliance A (13/13)

13 of 13 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.002 to $0.025 (p19 in Finance)
price (min)
$0.002
price (max)
$0.025
category percentile (min)
p19 in Finance
category percentile (max)
p40 in Finance
endpoints / prices
6 / 6
model
tiered
stability
100%
risk clean

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

domain age
105d
registrar
eNom, LLC
hosting
custom
domain created
2026-05-26

Identity facts, not a risk score.

traction $0.00 30d · 0 buyers
volume 30d
$0.00
buyers 30d
0
settlements 30d
0
measured since
2026-06-17 (start of our harvest window)
last settlement
2026-06-22
top buyer share
-
trend 7d vs 30d
-
networks
eip155:8453
volume all-time
$0
settlements all-time
4
median settlement 30d
-
max settlement 30d
-
settled via
-

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

No AI synthesis has been produced for this service yet.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET 402 CHANNEL
GET /signals/compound $0.01 Base USDC header
GET /signals/congress/latest $0.004 Base USDC header
GET /signals/edgar/high $0.003 Base USDC header
GET /signals/edgar/latest $0.002 Base USDC header
GET /signals/regulatory-pm $0.015 Base USDC header
GET /signals/sample --- USDC -
GET /signals/triple-compound $0.025 Base USDC header
7 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /signals/compound returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://api.greenwood.financial/signals/compound'
// 402 response (captured by monitor) · 6 payloads · click to expand
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xa1E74F6B6Ad70aa2bB8fc1E859A944BBd438Ff42",
        "amount": "25000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "http://api.greenwood.financial/signals/triple-compound",
      "mimeType": "application/json",
      "description": "Triple-stream compound signals: EDGAR insider activity + Congressional disclosures + Polymarket pricing. Bullish and bearish."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET"
          }
        },
        "tags": [
          "compound",
          "insider",
          "prediction-market"
        ],
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "category": "finance",
        "discoverable": true
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xa1E74F6B6Ad70aa2bB8fc1E859A944BBd438Ff42",
        "amount": "4000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "http://api.greenwood.financial/signals/congress/latest",
      "mimeType": "application/json",
      "description": "Recent U.S. House STOCK Act equity transactions, structured and scored, each linked to its House Clerk PTR filing."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET"
          }
        },
        "tags": [
          "congress",
          "stock-act",
          "political"
        ],
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "category": "finance",
        "discoverable": true
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "payTo": "0xa1E74F6B6Ad70aa2bB8fc1E859A944BBd438Ff42",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "resource": {
          "url": "https://api.greenwood.financial/signals/compound",
          "mimeType": "application/json",
          "description": "Greenwood Financial Intelligence signal data"
        },
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://api.greenwood.financial/signals/compound",
      "mimeType": "application/json",
      "description": "Greenwood Financial Intelligence signal data"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "name": "Greenwood Financial Intelligence",
          "output": {
            "type": "application/json",
            "example": {
              "data": "ticker,score,direction,officer\nAAPL,580,buy,CEO",
              "date": "2026-06-07",
              "total_signals": 12
            }
          },
          "category": "finance",
          "description": "SEC EDGAR insider signals, congressional trading disclosures, and compound signals for AI agents."
        },
        "schema": {
          "type": "object",
          "properties": {
            "data": {
              "type": "string"
            },
            "date": {
              "type": "string"
            },
            "total_signals": {
              "type": "integer"
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xa1E74F6B6Ad70aa2bB8fc1E859A944BBd438Ff42",
        "amount": "15000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "http://api.greenwood.financial/signals/regulatory-pm",
      "mimeType": "application/json",
      "description": "Regulatory prediction-market divergence signals: smart money vs crowd across political/macro themes. Bills only when signals are active."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET"
          }
        },
        "tags": [
          "polymarket",
          "divergence",
          "regulatory"
        ],
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "category": "finance",
        "discoverable": true
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xa1E74F6B6Ad70aa2bB8fc1E859A944BBd438Ff42",
        "amount": "2000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "http://api.greenwood.financial/signals/edgar/latest",
      "mimeType": "application/json",
      "description": "Full daily EDGAR insider signal feed — Form 4 open-market purchases, scored by role, size, and transaction type."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET"
          }
        },
        "tags": [
          "edgar",
          "insider",
          "form4"
        ],
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "category": "finance",
        "discoverable": true
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xa1E74F6B6Ad70aa2bB8fc1E859A944BBd438Ff42",
        "amount": "3000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "http://api.greenwood.financial/signals/edgar/high",
      "mimeType": "application/json",
      "description": "HIGH-conviction EDGAR insider signals only, score >= 70."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET"
          }
        },
        "tags": [
          "edgar",
          "high-conviction"
        ],
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "category": "finance",
        "discoverable": true
      }
    },
    "x402Version": 2
  }
]

OVER TIME

All charts use the 30d selector; each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/greenwood-financial-intelligence/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.

UPTIME
08-13 · uptime 100.0% · 326ms avg08-14 · uptime 100.0% · 337ms avg08-15 · uptime 98.9% · 321ms avg08-16 · uptime 100.0% · 315ms avg08-17 · uptime 100.0% · 304ms avg08-18 · uptime 98.9% · 295ms avg08-19 · uptime 100.0% · 291ms avg08-20 · uptime 100.0% · 291ms avg08-21 · uptime 100.0% · 268ms avg08-22 · uptime 100.0% · 249ms avg08-23 · uptime 100.0% · 244ms avg08-24 · uptime 100.0% · 294ms avg08-25 · uptime 97.8% · 465ms avg08-26 · uptime 100.0% · 463ms avg08-27 · uptime 98.9% · 516ms avg08-28 · uptime 100.0% · 460ms avg08-29 · uptime 98.9% · 718ms avg08-30 · uptime 100.0% · 696ms avg08-31 · uptime 100.0% · 740ms avg09-01 · uptime 98.9% · 1111ms avg09-02 · uptime 98.9% · 555ms avg09-03 · uptime 95.5% · 379ms avg09-04 · uptime 98.9% · 409ms avg09-05 · uptime 100.0% · 383ms avg09-06 · uptime 100.0% · 378ms avg09-07 · uptime 100.0% · 367ms avg09-08 · uptime 97.8% · 399ms avg09-09 · uptime 100.0% · 375ms avg09-10 · uptime 100.0% · 405ms avg09-11 · uptime 100.0% · 792ms avg08-1309-11
30d UPTIME 99.4%
RESPONSE TIME
08-13 · 326ms avg08-13 · 326ms avg08-14 · 337ms avg08-14 · 337ms avg08-15 · 321ms avg08-15 · 321ms avg08-16 · 315ms avg08-16 · 315ms avg08-17 · 304ms avg08-17 · 304ms avg08-18 · 295ms avg08-18 · 295ms avg08-19 · 291ms avg08-19 · 291ms avg08-20 · 291ms avg08-20 · 291ms avg08-21 · 268ms avg08-21 · 268ms avg08-22 · 249ms avg08-22 · 249ms avg08-23 · 244ms avg08-23 · 244ms avg08-24 · 294ms avg08-24 · 294ms avg08-25 · 465ms avg08-25 · 465ms avg08-26 · 463ms avg08-26 · 463ms avg08-27 · 516ms avg08-27 · 516ms avg08-28 · 460ms avg08-28 · 460ms avg08-29 · 718ms avg08-29 · 718ms avg08-30 · 696ms avg08-30 · 696ms avg08-31 · 740ms avg08-31 · 740ms avg09-01 · 1111ms avg09-01 · 1111ms avg09-02 · 555ms avg09-02 · 555ms avg09-03 · 379ms avg09-03 · 379ms avg09-04 · 409ms avg09-04 · 409ms avg09-05 · 383ms avg09-05 · 383ms avg09-06 · 378ms avg09-06 · 378ms avg09-07 · 367ms avg09-07 · 367ms avg09-08 · 399ms avg09-08 · 399ms avg09-09 · 375ms avg09-09 · 375ms avg09-10 · 405ms avg09-10 · 405ms avg09-11 · 792ms avg09-11 · 792ms avg08-1309-11
AVG RESP 434ms
PRICE (captured 402, USD)
08-12 · $0.00709-11 · $0.007$0.00708-1209-11

Median across 6 endpoints. Use the selector to isolate one.

SUB-SCORES (uptime + x402 compliance)
08-13 uptime: 99.6% compliance: 100% checks08-14 uptime: 99.6% compliance: 100% checks08-15 uptime: 99.6% compliance: 100% checks08-16 uptime: 99.6% compliance: 100% checks08-17 uptime: 99.6% compliance: 100% checks08-18 uptime: 99.5% compliance: 100% checks08-19 uptime: 99.5% compliance: 100% checks08-20 uptime: 99.5% compliance: 100% checks08-21 uptime: 99.6% compliance: 100% checks08-22 uptime: 99.6% compliance: 100% checks08-23 uptime: 99.6% compliance: 100% checks08-24 uptime: 99.6% compliance: 100% checks08-25 uptime: 99.5% compliance: 100% checks08-26 uptime: 99.5% compliance: 100% checks08-27 uptime: 99.4% compliance: 100% checks08-28 uptime: 99.4% compliance: 100% checks08-29 uptime: 99.4% compliance: 100% checks08-30 uptime: 99.4% compliance: 100% checks08-31 uptime: 99.5% compliance: 100% checks09-01 uptime: 99.6% compliance: 100% checks09-02 uptime: 99.5% compliance: 100% checks09-03 uptime: 99.4% compliance: 100% checks09-04 uptime: 99.4% compliance: 100% checks09-05 uptime: 99.4% compliance: 100% checks09-06 uptime: 99.5% compliance: 100% checks09-07 uptime: 99.5% compliance: 100% checks09-08 uptime: 99.4% compliance: 100% checks09-09 uptime: 99.4% compliance: 100% checks09-10 uptime: 99.4% compliance: 100% checks09-11 uptime: 99.4% compliance: 100% checksuptimecompliance08-1309-11

checklist grew 11->14 on 2026-07-28; a step here is a metric change, not a regression

PILLARS OVER TIME (measured)

Measured site and economics pillars from the assessment history, so the latest value shown elsewhere on this page reads as a point on a trend rather than a permanent state.

VOLUME (on-chain settlement, USD)
no on-chain volume yet
DISTINCT BUYERS
no distinct buyers yet

COMPLIANCE

13/13 checks pass · grade A

last 402 captured 2026-06-17 · last up 2026-09-11

  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS
  • declares the current x402 version (2)
  • EIP-712 domain parameters present on every EVM entry
  • x402 v2 envelope delivered in the payment-required header

SITE PILLARS

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
recent checks (18) live · click to expand
TIME STATUS RESP CAUSE
● SLOW 882ms
● SLOW 859ms
● SLOW 775ms
● SLOW 1036ms
● SLOW 748ms
● SLOW 1270ms
● SLOW 732ms
● SLOW 1036ms
● SLOW 1042ms
● SLOW 1071ms
● SLOW 884ms
● SLOW 830ms
● OK 517ms
● SLOW 983ms
● SLOW 707ms
● SLOW 837ms
● SLOW 904ms
● SLOW 1037ms

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