| Signal Oracle Incidents across major cloud & developer services (Statuspage-based providers + GCP) since a timestamp, scored by impact, with ongoing/resolved status and the latest update. The 'is a dependency I rely on down?' signal for incident-response and reliability agents. | railway.app | - | $0.05 | listed |
| Signal Oracle AI & automated-systems governance regulatory & enforcement changes since a timestamp, merged from the Federal Register (rules, agency notices, executive orders), White House actions, FTC AI enforcement, the EU AI Office & Commission, EU legal acts, and NIST standards activity. Each item scored 1-10 for impact, tagged with its originating regulator (detail.origin), with primary-source links. | railway.app | - | $0.05 | listed |
| Signal Oracle Full detail for a single vulnerability advisory by CVE / GHSA ID (e.g. 'ghsa:GHSA-xxxx') — severity, CVSS score, affected Composer/PHP package(s), and source link. | railway.app | - | $0.01 | listed |
| Signal Oracle Full stored detail for a single crypto & digital assets rule by Federal Register document ID (e.g. 'fedreg:2026-14090') — title, issuing agency, rule type, effective date, and 1-10 compliance-impact score. Covers digital asset, cryptocurrency, stablecoin, virtual currency, crypto. | railway.app | - | $0.01 | listed |
| Signal Oracle Full stored detail for a single SEC EDGAR merger / acquisition agreements filing by accession number (entityId like 'edgar:0000320193-26-000064') — company name, CIK, form type, filing date, and a direct link to the filing index. | railway.app | - | $0.01 | listed |
| Signal Oracle Stored detail for a single incident (entityId like 'status:GitHub:abc123'). | railway.app | - | $0.01 | listed |
| SignalPulse F1 race-weekend field scan for AI trading agents. Scans the whole grid and identifies the single highest-EV play across every priced market — winner, podium, top-6, top-10, head-to-head, constructor, and qualifying — anchored to live practice pace / qualifying grid, the Bovada F1 board, and race-day weather. Applies a regs-humility contract (current-season deltas over reputation) and a rain-variance rule. Only fires inside an open F1 race window; honest no-charge no_play between race weekends. | theaslangroupllc.com | - | $2.49 | listed |
| SignalPulse SignalPulse on-demand trade signal — pass any instrument (FX pair, metals/oil/indices CFD, crypto, or US equity) and a timeframe (1h/4h/1d/3d/1w/1m/3m) and get a full directional signal: live technicals (RSI/MACD/EMA/ATR), COT positioning, FRED macro, the on-chain/derivatives stack for crypto, news sentiment, and an executable entry/stop/target trade contract sized to the timeframe. | theaslangroupllc.com | - | $1.99 | listed |
| SignalPulse Crypto market tick — BTC, ETH, SOL live price + 24h change, Fear & Greed index, and a deterministic regime verdict (RISK_ON / DRIFT_UP / CHOP / DRIFT_DOWN / RISK_OFF) in ONE $0.05 call. Built for agent loops that need a cheap market pulse every cycle; escalate to /api/scan/crypto ($2) for the institutional deep scan with technicals, derivatives and a directional call. 60s freshness, no LLM in the path. | theaslangroupllc.com | - | $0.05 | listed |
| SignalPulse SignalPulse GB/IRE horse-racing intelligence — scans every upcoming race card and returns the single highest expected-value selection across win, place, each-way, forecast/tricast, match-bet, and specials markets. Synthesizes RPR/Topspeed ratings, draw bias, projected pace, trainer/jockey conditional strike rates, going-forecast anticipation, and live exchange odds into an EV-anchored pick with full rationale. | theaslangroupllc.com | - | $2.49 | listed |
| SignalPulse Polymarket cross-category scanner for AI trading agents. Scans open markets in one category (crypto, economics, geopolitics, politics, sports, esports, entertainment, weather, ai-tech) against CLOB microstructure, whale positioning, base rates, and category intelligence layers; returns ranked value opportunities with our probability vs the market price. Requires ?category=. Optional ?horizon=short|mid|long tunes which intelligence layers lead. Never charged for an empty scan. | theaslangroupllc.com | - | $1.99 | listed |
| SignalPulse SignalPulse global equity screener — scans an entire exchange (NYSE, NASDAQ, LSE, ASX, TSE, HKEX, NSE, TSX, XETRA, KOSPI, B3, Euronext) for momentum, value, squeeze, or breakout setups and returns the single best trade with entry/stop/target, a ranked shortlist, market-breadth context, and same-day earnings-risk flags. | theaslangroupllc.com | - | $2.49 | listed |
| SignalPulse SignalPulse Sports — the single highest-probability +EV betting pick for 35+ sports worldwide (NFL, NBA, MLB, NHL, soccer leagues, rugby, cricket, MMA, esports, and more). Scans every market a matchup offers — moneyline, spread, totals, and data-backed props — anchored to sharp-line movement, proprietary sport intelligence, weather/altitude, and injury/availability wires. Requires ?sport=. Optional ?event= and ?market= narrow the scan. Every pick ships with a specific, quantified edge reason. | theaslangroupllc.com | - | $1.99 | listed |
| Signals Up to 20 recent crypto risk reports for triage and review, with sources, validation status and cached PG1 checks when available. Reports may lack independent confirmation. USDC 0.01 per snapshot; not trade instructions or a safety guarantee. | onrender.com | - | $0.01 | listed |
| Signals API Quotient's published prediction-market signals across Polymarket International, Polymarket US, Kalshi, and Limitless. Use this to scan side, entry odds, conviction, venue spread, convergence, and capacity, one signal per covered market. Filter by venue, side, conviction, capacity, and status. Only Polymarket rows receive the live CLOB overlay; inspect live_priced on every row. | onrender.com | - | $0.01 | listed |
| Signals API County tax-delinquency distress signals for US real estate (Ohio metros: Cincinnati, Toledo, Dayton, Akron): owner name, parcel id, delinquent amount, and the public-record source URL for every row. Off-market lead sourcing for wholesalers, flippers, and buy-and-hold investors. Optional filters: county, min_amount, has_address. Every field typed; a query that matches nothing returns free — you never pay for a blank. | dwelldata.io | - | $0.03 | listed |
| Signals API Find up to five companies with evidence of hiring activity in Exende’s monitored catalogue. | exende.dev | - | $0.09 | listed |
| Signals API Returns current signal scores for BTC, ETH, SOL, XRP, and ADA plus a ranked top_k list — use it as a lightweight crypto market snapshot before deeper analysis. | coinopai.com | - | $0.05 | listed |
| Signals API Returns current signal scores for BTC, ETH, SOL, XRP, and ADA plus a ranked top_k list, regime, and data freshness — use it as a lightweight crypto market snapshot before deeper analysis. Typical agent tasks: get a quick Bitcoin market read, check which of the top 5 coins is strongest right now, add a fast pre-trade signal check to a trading loop, or pull a crypto pulse for a research summary. Fresh continuously, served as JSON over x402 with USDC on Base mainnet. | forgemesh.io | - | $0.05 | listed |
| Signals API Returns current signal scores for BTC, ETH, SOL, XRP, and ADA plus a ranked top_k list, regime, and data freshness — use it as a lightweight crypto market snapshot before deeper analysis. Typical agent tasks: get a quick Bitcoin market read, check which of the top 5 coins is strongest right now, add a fast pre-trade signal check to a trading loop, or pull a crypto pulse for a research summary. Fresh continuously, served as JSON over x402 with USDC on Base mainnet. | forgemesh.io | - | $0.05 | listed |
| Signals API Returns latest per-symbol signal scores and a ranked top_k list across crypto and supported stock symbols — pair with /kronos/risk and /kronos/forecast for full decision context. | forgemesh.io | - | $0.05 | listed |
| Signals API Current signals of GrokBot's play-money practice bots, crypto (BTC/ETH momentum, 20/50 MA, 50/50 rebalance, benchmarks) and US ETFs (SPY 200-day trend, QQQ 63-day momentum, 60/40, dual momentum): per bot the rule, in/out position, pending next-open action, return since inception, max drawdown, last trade and data freshness. Optional ?group=crypto|stocks. Research only, not R8-validated. Not financial advice. | workers.dev | - | $0.01 | listed |
| Signals API RSI/MACD/Bollinger from CoinGecko OHLC plus OKX perpetual funding rates | horizonpulse.dev | - | $0.015 | listed |
| Signaländerung Und Teilschluss Erkennen API Signaländerung und Teilschluss erkennen. Vergleicht gelieferten Vorher-/Nachherstand; kennzeichnet Stopänderung, ohne sie zu empfehlen. Alle Zahlen, Kurse und Vorgaben liefert der Aufrufer. Keine eigenen Kursdaten, kein Brokerzugriff, keine Ausführung. Rechenwerkzeug, keine Anlageberatung, keine Empfehlung. | halowerk.com | - | $0.002 | listed |
| Signature reviewer | Vextorium Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet. | vextorium.com | - | $0.005 | listed |
| Signature verify, EIP-191 Signature verify, EIP-191. Verify an Ethereum personal_sign (EIP-191) signature: recover the address that signed a message and, given an expected address, say whether it matches. Works for ordinary wallets (EOAs); smart-contract wallets sign by ERC-1271, which this offline check does not cover. Use for sign-in-with-wallet, proving wallet ownership or checking a signed order. A malformed signature is 400, uncharged. | workers.dev | - | $0.01 | listed |
| Signed Market State Receipt For One Exchange API Signed market-state receipt for one exchange. OPEN/CLOSED/HALTED/UNKNOWN - Ed25519 signed, 60s TTL. | headlessoracle.com | - | $0.001 | listed |
| Signed Proof Receipt (genesis402 Receipt V1) API Signed proof receipt (genesis402-receipt-v1) — Genesis402 / UnyKorn Operator Network | unykorn.org | - | $0.25 | listed |
| Signed Settlement Attestation API Signed settlement attestation: we make a REAL x402 purchase from your target endpoint (up to $0.1), grade the delivered response against its advertised schema, and return an EIP-191-signed attestation embedding the on-chain USDC receipt. Proof-of-real-delivery for directories, reputation systems and sellers. | numberintel.dev | - | $0.25 | listed |
| Signed plug-in solar legality record for one US state Signed plug-in solar legality record for one US state | nsgoods.org | - | $0.005 | listed |
| Signed receipt for a supplied SHA-256 digest Signed receipt for a supplied SHA-256 digest | fabair-agents.com | - | $0.01 | listed |
| Signierte Slippage Kosten API Signierte Slippage-Kosten. Positiv bedeutet nachteilige Ausführung, negativ vorteilhafte Ausführung; Richtung ist vom Aufrufer. Alle Zahlen, Kurse und Vorgaben liefert der Aufrufer. Keine eigenen Kursdaten, kein Brokerzugriff, keine Ausführung. Rechenwerkzeug, keine Anlageberatung, keine Empfehlung. | halowerk.com | - | $0.002 | listed |
| Silence Split API Takes an audio or video file of up to 60 minutes, detects silences longer than min_silence_seconds below threshold_db and cuts the recording into parts at the middle of each silence. Parts shorter than min_part_seconds are merged with their neighbour; at most 50 parts. Returned are the cut list with start, end and duration of every part and, if they fit into 8 MB together, the parts themselves as MP3 inline; otherwise only the cut list, which is stated. | halowerk.com | - | $0.003 | listed |
| Silicon DNA Classifier Silicon DNA agent identity classification. Analyzes TLS fingerprint, timing jitter, behavioral entropy to classify as HUMAN, LEGIT_AGENT, or MALICIOUS_BOT. Physical-layer NIC fingerprinting. | phoenix-ai.work | - | $0.01 | listed |
| Silicon DNA Health Proof Cryptographic proof of node health. HMAC-SHA256 commitment over 8-layer security assessment (PQC, Frankenstein, Spearman, entropy, jitter) plus eBPF XDP/LSM status. Verifiable without revealing raw metrics. | phoenix-ai.work | - | $0.01 | listed |
| Similar API Find creators similar to a reference creator by URL, username, or ID. Supports Instagram, YouTube, TikTok, and Twitch. Returns paginated list of lookalike creators with profile info and engagement. 0.01 upstream credits per creator returned. | orthogonal.com | - | $0.03 | listed |
| Simple / compound interest Grow a principal by simple or compound interest over a number of years. Compound interest uses compoundsPerYear compounding periods (default 12, monthly). | openverbs.com | - | $0.004 | listed |
| Simplify a fraction Reduce a fraction to lowest terms and describe it: numerator/denominator (denominator normalized positive), sign, whether it is an integer, and a mixed-number form when improper. A zero denominator is a clean 400. | openverbs.com | - | $0.002 | listed |
| Simulate A Transaction Before Signing API Simulate a transaction before signing: runs `eth_estimateGas` for `{ to, from?, data?, value? }` and returns the estimated gas units and estimated fee (current gas price x gas, in wei + ETH). If the node rejects the call it returns `ok:false` with the decoded `revertReason` (why it would fail) instead of erroring. Reads live on-chain state with automatic endpoint fallback. | openverbs.com | - | $0.004 | listed |
| Simulate Any Read Only Contract Call API Simulate any read-only contract call — Genesis402 / UnyKorn Operator Network | unykorn.org | - | $0.003 | listed |
| Simulated Inspection Coverage Compare up to 16 declared observation stations against 64 targets and 16 rectangular obstacles in a bounded 2D scene. Returns visible targets and uncovered IDs. No camera optics, 3D visibility, robot motion or physical inspection claim. | mahastrategies.com | - | $0.119 | listed |
| Since API All stored items with id > id (oldest first, up to limit 1-100, default 50) plus next_id/has_more for the next call. The cheapest way for a bot to poll without duplicates: keep next_id and pass it back. | onrender.com | - | $0.002 | listed |
| Sindri Live cryptocurrency price API. Returns the current market price (in USD) of any cryptocurrency by ticker symbol (BTC, ETH, DOGE, etc.) — live market data an LLM cannot know on its own. | on.aws | - | $0.01 | listed |
| Sindri Base64 encoder API. Encodes UTF-8 text to base64 instantly and correctly — skip burning agent tokens hand-computing base64, which LLMs frequently get wrong on padding and edge cases. | on.aws | - | $0.01 | listed |
| Sindri True-random-string generator API. Generates a bounded random string via one of: alpha, alphanumeric, binary, octal, hexadecimal, numeric, sample, uuid, ulid, nanoid, symbol. Accepts optional locale (default en_US). length/count-style args are capped to 0-1000. | on.aws | - | $0.01 | listed |
| Sindri Live weather API. Returns real-time weather conditions, temperature, feels-like temperature, humidity, wind speed, precipitation, and UV index for any city worldwide — live external data an LLM cannot know on its own. Supports metric/imperial units, 74 languages, and optional 3-day forecast and sun/moon astronomy data. | on.aws | - | $0.01 | listed |
| Sindri UUID generator API. Generates a random RFC 4122 version 4 UUID using a cryptographically secure source — not the pseudo-random, collision-prone IDs an LLM would invent. No input required. | on.aws | - | $0.01 | listed |
| Sindri Matrix operations: multiply, transpose, determinant, and invert, for matrices up to 20x20. Uses the ml-matrix library's LU decomposition (LuDecomposition) for determinant and inversion, with a numerical near-singularity guard beyond the library's exact-singular check. | on.aws | - | $0.01 | listed |
| Sindri Upwork freelancer fee calculator. Applies a documented tiered marginal service-fee schedule (20%/10%/5% at $500/$10,000 cumulative per-client lifetime billing thresholds) to compute take-home pay on an invoice, correctly splitting fees across a tier boundary like a tax bracket. Platform fee policies can change; verify current rates before relying on this for financial decisions. | on.aws | - | $0.01 | listed |
| Sindri Savings rate calculator. Divides the gap between monthly take-home income and spending by income to produce your personal savings rate as a percentage. | on.aws | - | $0.01 | listed |