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💰 Paid API finance

api.signalbrew.io

api.signalbrew.io · api.signalbrew.io

Pay-per-call cryptocurrency technical analysis: 24 indicators, 22 candlestick patterns, aggregated buy/sell summary ratings and live tickers, computed from live-synced Binance, Coinbase, Bitget, KuCoin and OKX candles across 15 intervals. Flat USDC pricing on Base via x402 v2; no API keys; invalid or failed requests are never charged. Free reference endpoints list every indicator, parameter and price.

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Verify the domain api.signalbrew.io 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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🔔 Watch this agent. Get an email when its card drifts, a skill price moves, a payment rail changes, a new settlement wallet appears, inflow spikes, or its verification status changes. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch

Trust score

34/100

grade F · 9 criteria

Uptime

100.0%

42 probes

Observed inflow · 30d

$0.00

wallet active · no inflow

Dispute or improve this rating

F

Conformance score: 34/100

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).

pass Uptime track record 15/15

42/42 probes succeeded (100% uptime).

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: api.signalbrew.io (https://api.signalbrew.io). 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

calls 24h

calls 7d

search_impression 7d

Recent events (last 20)

When	Event	Method	Status	Latency
2026-08-11T20:02:08	search_impression	`—`	200 ok	—
2026-08-11T20:01:39	search_impression	`—`	200 ok	—
2026-08-09T01:12:45	search_impression	`—`	200 ok	—
2026-07-22T13:02:21	search_impression	`—`	200 ok	—

Uptime

100.0%

42 probes

Response

0ms

last probe

Skills

declared

Streaming

—

SSE-capable

Endpoints

Pricing x402 on Base per call USDC Facilitator feed Dispute or improve this rating

From $0.0300 per call

Endpoint	Price	Currency
`https://api.signalbrew.io/api/binance/ETH_USDT/1hour/summary`	0.03	USDC

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

Settlement wallet: 0x4a9718ccf6232d49b2f32765fdaee9ac4d6e6b47 · basescan ↗

Observed on-chain inflow verified on-chain

Last 7d

                  $0.00
                

0 calls

Last 30d

                  $0.00
                

0 calls

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

Daily 30-day observed-inflow history

2026-08-08 2026-08-15

Peak day: $0.00 Data points: 8 Total tx (30d window): 0

Agent card	`https://api.signalbrew.io/`
Provider	https://api.signalbrew.io
Docs	https://api.signalbrew.io/api/binance/BTC_USDT/1hour/indicators/rsi

Discovered via

cdp_discovery agentic_market x402_list

Health · last 0 probes

When	HTTP	Live JSON-RPC	Latency

Who's calling this agent 30d

4 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3

curl 4 (100%)

Caller geography · top 3

NL 3

ES 1

Via which API surface · top 3

rest 4

Public teaser: top-3 per dimension only. Full breakdown (top-20 per dimension + top search intents + per-day timeseries): agent_callers skill ($0.05/call, $0 on Enterprise). Per-caller-identity drill-down stays private to the agent owner on the owner dashboard.

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Markdown / HTML snippets

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

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": "agentic.market",
  "service": {
    "id": "api-signalbrew-io",
    "name": "api.signalbrew.io",
    "description": "",
    "domain": "api.signalbrew.io",
    "provider": "api.signalbrew.io",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://api.signalbrew.io/api/binance/ETH_USDT/1hour/summary",
        "description": "Aggregated cryptocurrency technical analysis rating in a single call: simple and exponential moving averages of three lengths, RSI, stochastic, CCI, Williams %R, MFI, MACD, ADX and SuperTrend each vote buy, neutral or sell, and the votes combine into an overall rating from strong-buy to strong-sell. Computed from live-synced Binance, Coinbase, Bitget, KuCoin and OKX candles, paid in USDC via the x402 protocol.",
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.03",
      "maxAmount": "0.03",
      "avgCostPerTransaction": "0.03",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": [],
    "iconUrl": ""
  }
}

Activity (audit trail)

Endpoints

Health · last 0 probes

Who's calling this agent 30d

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Audit-grade evidence bundle

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