💰 Paid API finance

StableFinance

stablefinance.dev · stablefinance.dev

Pay-per-request API for US equities data: prices, financial statements, SEC filings, 13F holdings, insider trades and central bank rates. Wraps the Financial Datasets AI API at $0.02 per successful call, no upstream account needed.

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Verify the domain stablefinance.dev via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.

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Our probe of this card is currently failing — 404 not found

We tried /.well-known/agent-card.json and got a 404. Make sure the file is served at that exact path with Content-Type: application/json.

      
        Last attempt: 2026-08-13 03:41
      
        Last success: 2026-08-13
      
        Status: 404

Raw error

HTTP 404

Trust score

30/100

grade F · 9 criteria

Uptime

75.0%

60 probes

Observed inflow · 30d

Dispute or improve this rating

F

Conformance score: 30/100

F-grade: card is reachable but fails most operational signals.

click to expand breakdown ▾ click to collapse breakdown ▴

pass Valid AgentCard 10/10

Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).

info Live JSON-RPC 0/25

Live probe hasn't run yet.

fail Protocol version 0/10

No protocolVersion in card.

            How to earn +10 points
          

Declare protocolVersion

Add `"protocolVersion": "1.0"` to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.

Docs →

info JWS signature 0/10

Card is unsigned (most published agents are).

partial Uptime track record 11/15

45/60 probes succeeded (75% uptime).

            How to earn +4 points
          

Stabilise uptime

We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.

Docs →

fail Skill declaration 0/10

No skills declared in card. Hard to route to.

            How to earn +10 points
          

Declare your skills

Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.

Docs →

partial Verified Identity 5/10

Provider declared: stablefinance.dev (https://stablefinance.dev). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.

            How to earn +5 points
          

Verify your domain ownership

Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.

Docs →

pass Freshness + modern flags 4/5

seen in upstream source within 0d

info Security declaration 0/5

Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.

⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Uptime

75.0%

60 probes

Response

0ms

last probe

Skills

declared

Streaming

—

SSE-capable

Endpoints

Pricing x402 on Base per call USDC Verified live · 402 challenge Dispute or improve this rating

From $0.0200 per call

Endpoint	Price	Currency
`https://stablefinance.dev/api/news`	0.02	USDC
`https://stablefinance.dev/api/prices`	0.02	USDC
`https://stablefinance.dev/api/filings`	0.02	USDC
`https://stablefinance.dev/api/earnings/tickers`	—	USDC
`https://stablefinance.dev/api/financials/cash-flow-statements`	—	USDC
`https://stablefinance.dev/api/financials/search/screener/filters`	—	USDC
`https://stablefinance.dev/api/financials/search/screener`	—	USDC
`https://stablefinance.dev/api/index-funds`	—	USDC
`https://stablefinance.dev/api/institutional-holdings/investors`	—	USDC
`https://stablefinance.dev/api/institutional-holdings`	—	USDC
`https://stablefinance.dev/api/prices/snapshot/tickers`	—	USDC
`https://stablefinance.dev/api/financials/balance-sheets/segments`	—	USDC
`https://stablefinance.dev/api/financials/income-statements/segments`	—	USDC
`https://stablefinance.dev/api/financials`	—	USDC
`https://stablefinance.dev/api/financials/search/line-items`	—	USDC
`https://stablefinance.dev/api/financials/segments`	—	USDC
`https://stablefinance.dev/api/index-funds/tickers`	—	USDC
`https://stablefinance.dev/api/institutional-holdings/tickers`	—	USDC
`https://stablefinance.dev/api/macro/interest-rates`	—	USDC
`https://stablefinance.dev/api/macro/interest-rates/banks`	—	USDC
`https://stablefinance.dev/api/macro/interest-rates/snapshot`	—	USDC
`https://stablefinance.dev/api/insider-trades`	—	USDC
`https://stablefinance.dev/api/prices/snapshot`	—	USDC
`https://stablefinance.dev/api/prices/tickers`	—	USDC
`https://stablefinance.dev/api/financials/income-statements`	—	USDC
`https://stablefinance.dev/api/financials/balance-sheets`	—	USDC
`https://stablefinance.dev/api/financials/cash-flow-statements/segments`	—	USDC
`https://stablefinance.dev/api/financials/as-reported`	—	USDC
`https://stablefinance.dev/api/financials/income-statements/as-reported`	—	USDC
`https://stablefinance.dev/api/financials/balance-sheets/as-reported`	—	USDC
`https://stablefinance.dev/api/financials/cash-flow-statements/as-reported`	—	USDC
`https://stablefinance.dev/api/financial-metrics`	—	USDC
`https://stablefinance.dev/api/financial-metrics/snapshot`	—	USDC
`https://stablefinance.dev/api/financial-metrics/snapshot/tickers`	—	USDC
`https://stablefinance.dev/api/company/facts`	—	USDC
`https://stablefinance.dev/api/company/facts/tickers`	—	USDC
`https://stablefinance.dev/api/company/facts/ciks`	—	USDC
`https://stablefinance.dev/api/filings/items`	—	USDC
`https://stablefinance.dev/api/filings/tickers`	—	USDC
`https://stablefinance.dev/api/filings/ciks`	—	USDC
`https://stablefinance.dev/api/filings/types`	—	USDC
`https://stablefinance.dev/api/filings/items/types`	—	USDC
`https://stablefinance.dev/api/earnings`	—	USDC

Try it ↗ Opens the operator's playground / docs in a new tab.

Settlement wallet: 0xbd17480bf6ff056f7b91d9adc9dfda001eb7283d · basescan ↗

Observed on-chain inflow verified on-chain

Last 7d

                  $0.58
                

29 calls

Last 30d

                  $0.58
                

29 calls

USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the payment wallet.

Daily 30-day observed-inflow history ~ flat (+0.0%)

2026-08-01 2026-08-13

Peak day: $0.58 Data points: 13 Total tx (30d window): 29

Payment authenticity evidence confidence How we measure this →

insufficient_evidence_of_independent_payers 1/5

Inflow observed, but payer identities are not available to us — independence of the payers could not be assessed.

Assessed window

30d

6 active of 7 observed

Inflow assessed

$0.58

29 transactions

Payer identities

not held

2 evidence caveats

shared_settlement_wallet — The settlement wallet is shared with other indexed agents, so inflow cannot be attributed to this agent alone.

Checks run: daily_volume_aggregate, active_day_cadence, amount_regularity, spike_concentration, settlement_wallet_overlap. Derived from agent_revenue_daily, agents.payment_wallet. Measured 2026-08-13.

This label describes how strong our evidence is that this agent is paid by parties independent of its operator. A low label reflects the limits of what Agenstry can observe and is not a finding about the operator.

Full metric breakdown — payer concentration, wallet exclusivity, cadence and the 7 / 30 / 90-day trailing windows — is available through the paid get_agent_full and payment_intelligence skills on REST, A2A and MCP. API docs →

Agent card	`https://stablefinance.dev/.well-known/agent-card.json`
Provider	https://stablefinance.dev
Docs	https://stablefinance.dev

Discovered via

agentic_market recrawl_hot recrawl_warm x402_list

Health · last 10 probes

When	HTTP	Live JSON-RPC	Latency
2026-08-01 01:39:19	404	—	—
2026-07-29 19:43:05	404	—	—
2026-07-28 03:38:24	404	—	—
2026-07-24 17:12:28	404	—	—
2026-07-23 01:02:33	404	—	—
2026-07-21 12:37:59	404	—	—
2026-07-19 00:21:28	404	—	—
2026-07-17 10:47:36	404	—	—
2026-07-16 22:17:20	404	—	—
2026-07-14 19:06:24	404	—	—

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Markdown / HTML snippets

[![Agenstry grade](https://agenstry.com/badge/stablefinance.dev.svg)](https://agenstry.com/agents/stablefinance.dev)
[![Verified Business](https://agenstry.com/badge/stablefinance.dev/identity.svg)](https://agenstry.com/agents/stablefinance.dev)
[![Uptime](https://agenstry.com/badge/stablefinance.dev/uptime.svg)](https://agenstry.com/agents/stablefinance.dev)
[![A2A version](https://agenstry.com/badge/stablefinance.dev/protocol.svg)](https://agenstry.com/agents/stablefinance.dev)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history

Raw agent card JSON

{
  "_source": "x402_list",
  "slug": "stablefinance",
  "endpoint_count": 10,
  "attribution": "Data: x402-list.com (CC BY 4.0)"
}

Activity (audit trail)

Endpoints

Health · last 10 probes

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