Crypto Fear & Greed Index

api.agentstools.dev · 144 paid endpoints · listed 2026-10-27

Keyword news search across web news engines (Bing/DuckDuckGo/Yahoo via ddgs). Returns dated headlines with title/url/snippet/source/image + freshness/region/safesearch filters.

livelast check 5 days ago
100%valid x402 answers, 72 h
$3.62USDC received on Base, 7 days
39distinct payers, 7 days
65.7score (0-100)

Paid endpoints

MethodEndpointPriceNetworks
POSTapi.agentstools.dev/convert
Pure-compute data format conversion (no network): JSON<->CSV, JSON<->YAML, JSON normalize/minify, Markdown->HTML (sanitized), HTML->Markdown/text, base64/hex, T
$0.001Base
GETapi.agentstools.dev/crypto/convert
Convert token units (wei/gwei/ether or arbitrary decimals), between hex and int, and compute/validate an EIP-55 checksummed address.
$0.001Base
GETapi.agentstools.dev/crypto/hash
Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.
$0.001Base
GETapi.agentstools.dev/quant/kelly
Kelly-criterion optimal bet fraction and position sizing from a win probability and payoff, or from an edge and odds. Pure computation over your inputs.
$0.001Base
GETapi.agentstools.dev/extract
Fetch any public web page and return its main readable content as clean Markdown or plain text plus metadata (title), stripping nav/ads/boilerplate (trafilatura
$0.002Base
GETapi.agentstools.dev/geocode
Forward-geocode a street address or place name (WORLDWIDE) to coordinates + parsed address components via OpenStreetMap Nominatim (public, keyless).
$0.002Base
GETapi.agentstools.dev/geocode/reverse
Reverse-geocode coordinates (WORLDWIDE) to a street address + parsed components via OpenStreetMap Nominatim; enriched with the nearest NWS city/state when the p
$0.002Base
GETapi.agentstools.dev/links
Extract every link from a public page for crawling agents: de-duplicated absolute URLs with anchor text, internal/external counts, declared feeds and a sitemap
$0.002Base
GETapi.agentstools.dev/nutrition/search
Search foods by name in USDA FoodData Central (public domain). Returns ranked matches with fdc_id, description, brand, GTIN and key macros per 100g.
$0.002Base
GETapi.agentstools.dev/tax/brackets
Reference tables for a US tax year and filing status: income brackets, standard deduction, FICA constants, and capital-gains breakpoints. Pure lookup, not tax a
$0.002Base
GETapi.agentstools.dev/bank/validate
Cheap structural IBAN validation: ISO 13616 checksum + per-country structure/length. Returns valid plus, on rejection, a granular error_type (invalid_checksum,
$0.003Base
POSTapi.agentstools.dev/crypto/abi
ABI-encode a function call (selector + args) or encode/decode arbitrary ABI types — build and parse EVM calldata correctly.
$0.003Base
GETapi.agentstools.dev/crypto/sentiment
Crypto Fear & Greed Index: the market Fear & Greed value, classification and trend, blended with aggregated crypto news-headline sentiment into one bullish/bear
$0.003Base
GETapi.agentstools.dev/crypto/sentiment-ctl
Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearis
$0.003Base
GETapi.agentstools.dev/crypto/sentiment-dsc
Crypto Fear & Greed Index: the market Fear & Greed value, classification and trend, blended with aggregated crypto news-headline sentiment into one bullish/bear
$0.003Base
GETapi.agentstools.dev/crypto/sentiment-nm
Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearis
$0.003Base
GETapi.agentstools.dev/crypto/sentiment-tag
Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearis
$0.003Base
GETapi.agentstools.dev/dev/hn
Hacker News engagement / dev-sentiment for a project or topic: story count, total & average points and comments, and the top stories (title/url/points/comments/
$0.003Base
GETapi.agentstools.dev/forecast
Official US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Cel
$0.003Base
GETapi.agentstools.dev/quant/options
Black-Scholes European option calculator: fair price, all greeks (delta, gamma, vega, theta, rho), or implied volatility from a market price. Pure computation o
$0.003Base
GETapi.agentstools.dev/screen/address
Check whether a crypto address appears on the official public sanctions lists (OFAC SDN, UK, EU, UN). Deterministic exact lookup; returns the matched record (li
$0.003Base
GETapi.agentstools.dev/search
Free-text web search for AI agents: ranked title/url/snippet results fused across multiple engines (Brave, Google, DuckDuckGo, Mojeek, Startpage, Yahoo), with f
$0.003Base
GETapi.agentstools.dev/search/news
Keyword news search across web news engines (Bing/DuckDuckGo/Yahoo via ddgs). Returns dated headlines with title/url/snippet/source/image + freshness/region/saf
$0.003Base
GETapi.agentstools.dev/structured
Structured parse of a public web page: main text, headings, links, tables and rich metadata (description, canonical, lang, Open Graph, Twitter cards, JSON-LD) a
$0.003Base
GETapi.agentstools.dev/weather
Current US weather conditions (temp in C+F, humidity, wind, pressure, description) from the NWS for coordinates OR a US address (auto-geocoded).
$0.003Base
GETapi.agentstools.dev/sports/schedule
Upcoming fixtures and the game schedule for a major sports league, normalized to one cited JSON. Give a league such as mlb, nhl, nfl, nba or epl and an optional
$0.004Base
GETapi.agentstools.dev/aeo/llms
Focused check of a site's /llms.txt and /llms-full.txt: presence, size and llmstxt.org structural validity (an H1 title, a blockquote summary, sections of markd
$0.005Base
GETapi.agentstools.dev/btc/fees
Recommended Bitcoin transaction fee-rates in sat per vByte across five confirmation horizons (fastest, half hour, hour, economy, minimum) plus a live mempool co
$0.005Base
GETapi.agentstools.dev/btc/mempool
Live Bitcoin mempool snapshot: unconfirmed transaction count, total virtual size and total fees, a fee-rate histogram broken into buckets, and an estimated bloc
$0.005Base
GETapi.agentstools.dev/cex/reserves
Cheap raw normalized reserve breakdown of one centralized exchange: total on-chain reserves (currentTvl), clean-of-own-token reserves (cleanAssetsTvl), the own-
$0.005Base
GETapi.agentstools.dev/crypto/news
Aggregated crypto news with sentiment: deduplicated headlines from many major crypto outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, Cry
$0.005Base
GETapi.agentstools.dev/dev/package
Package intelligence across npm / PyPI / crates: latest version, age, release cadence, deprecation/yank, license, and download stats (last day/week/month) with
$0.005Base
GETapi.agentstools.dev/dev/trending
Top GitHub repositories by language and/or topic (optionally newer than a date), ranked by stars/forks/recently-updated: name, full_name, stars, language, descr
$0.005Base
GETapi.agentstools.dev/enrich/email
Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus disposable / free-webmail / role-account flags and a
$0.005Base
GETapi.agentstools.dev/fraud/ip
Reputation of a public IP address for anti-abuse and KYC. Returns ASN, AS-org, country, datacenter/hosting classification, Tor-exit and Spamhaus DROP flags, plu
$0.005Base
GETapi.agentstools.dev/gas
EVM gas oracle for any major chain - Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche: next-block baseFee plus slow, med and fast priority-fee tiers
$0.005Base
GETapi.agentstools.dev/match/key
Compute a deterministic similarity key for a name or address: the cheap first step of client-side blocking and deduplication. Records that share a key are dupli
$0.005Base
GETapi.agentstools.dev/phone/intel
Phone-number intelligence in one call: validity and E.164 normalization, line type (mobile, fixed line, VOIP, toll free, premium rate), country and region, carr
$0.005Base
GETapi.agentstools.dev/resolve
Basename/ENS resolution on Base: forward name->address (give 'name') or reverse address->name (give 'address', forward-verified against spoofing).
$0.005Base
GETapi.agentstools.dev/rwa/list
Catalog of tokenized real-world-asset products ranked by TVL, from the DefiLlama RWA universe. Each row carries slug, name, symbol, normalized sub-category, bac
$0.005Base
GETapi.agentstools.dev/screen/entity
Fuzzy-screen a person or organization name against the official public sanctions lists (OFAC SDN, UK, EU, UN), including aliases. Returns scored matches with li
$0.005Base
GETapi.agentstools.dev/sports/scores
Live and recent game scores for a major sports league, normalized to one cited JSON. Give a league such as mlb, nhl, nfl, nba or epl and get each game with both
$0.005Base
GETapi.agentstools.dev/sports/standings
League table and standings for a major sports league, normalized to one cited JSON. Give a league such as mlb, nhl, nfl, nba or epl and get each team with wins,
$0.005Base
GETapi.agentstools.dev/stablecoin/list
Catalog of covered stablecoins ranked by market cap, from the DefiLlama stablecoins feed. Each row carries symbol, name, DefiLlama id, peg type, collateral mech
$0.005Base
GETapi.agentstools.dev/wage/areas
Resolve a US location to ranked OFLC wage-area candidates, each with the area code, area name and state. Accepts a county with state, or a city or metro name. T
$0.005Base
GETapi.agentstools.dev/wage/occupations
Resolve an occupation title to ranked SOC candidates, each with the SOC code, official title and a match score. The cheap first step before a prevailing-wage de
$0.005Base
GETapi.agentstools.dev/wallet/balances
Native-coin balance + ERC-20 token balances (raw + human) for any address on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base). On Base pass tok
$0.005Base
GETapi.agentstools.dev/bank/verify
Bank account / IBAN verification in one call: ISO 13616 checksum + per-country structure validation, BIC / bank name / branch resolution, country details, SEPA-
$0.008Base
GETapi.agentstools.dev/btc/block
Bitcoin block metadata by height or hash (or the chain tip when neither is given), fused with the current difficulty-adjustment context, a computed halving coun
$0.008Base
POSTapi.agentstools.dev/code/inspect
Static application-security scan of a single code blob for CWE Top-25 logic bugs (SQL injection, XSS, command injection, SSRF, path traversal, insecure deserial
$0.008Base
GETapi.agentstools.dev/derivs/basis
Perpetual basis for an asset: the mark-versus-oracle premium on venues that publish a native mark price (Hyperliquid), in basis points, with a naive annualized
$0.008Base
GETapi.agentstools.dev/docs/snippet
Working code snippets for a library, matched to a topic. Give an ecosystem, package name and a topic or symbol and get the fenced code blocks from the README or
$0.008Base
GETapi.agentstools.dev/drug/shortages
Current FDA drug-shortage records for a generic drug name: status, therapeutic category, dosage form, company and dates. Informational, not medical advice.
$0.008Base
GETapi.agentstools.dev/energy/electricity
US electricity data from the EIA grid monitor and retail survey: generation mix by fuel type with percentage breakdown (latest hour), demand by region, and aver
$0.008Base
GETapi.agentstools.dev/energy/renewables
Renewable share of US electricity generation from the EIA grid monitor: solar, wind, hydro and geothermal as a percentage of the latest hourly generation total,
$0.008Base
GETapi.agentstools.dev/freight/lookup
Search US motor carriers by name in the FMCSA Company Census and get ranked candidates, each with its USDOT number, MC docket, legal name, state, decoded carrie
$0.008Base
GETapi.agentstools.dev/gdelt/news
Recent global news articles from the GDELT Project by topic, country, entity or theme, normalized to title, link-back url, domain, source-country, language and
$0.008Base
GETapi.agentstools.dev/kyb/screen
Screen a company name against the GLEIF business registry: fuzzy name search returning ranked candidates, each with its LEI, legal name, jurisdiction, registrat
$0.008Base
GETapi.agentstools.dev/mining/capitulation
Bitcoin hash-ribbon miner-capitulation signal: the 30-day versus 60-day moving average of network hashrate, whether miners are in capitulation, whether a recove
$0.008Base
GETapi.agentstools.dev/notarize
Notarize a public URL: we fetch it ourselves and return a signed snapshot (final URL, HTTP status, content-type, sha256 of the body, server timestamp, upstream
$0.008Base
GETapi.agentstools.dev/rwa/yield
Yield facet for a tokenized-RWA product: pool-level APY, base APY, reward APY, the 30-day mean APY and the 30-day change, plus a TVL-weighted average across the
$0.008Base
GETapi.agentstools.dev/scholar/oa
Locate a free open-access PDF for a DOI. Returns whether an open-access copy exists and the best PDF link with its license, version and host type, from Unpaywal
$0.008Base
GETapi.agentstools.dev/stablecoin/peg
Peg facet for a stablecoin: current price, the absolute deviation from the one-dollar peg, a coarse depeg status of stable, watch or depegged, and the collatera
$0.008Base
GETapi.agentstools.dev/stablecoin/supply
Supply facet for a stablecoin: total circulating supply plus the per-chain breakdown from DefiLlama, cross-checked against an INDEPENDENT on-chain ERC-20 totalS
$0.008Base
GETapi.agentstools.dev/tax/paycheck
US take-home paycheck estimate: federal income tax plus payroll tax and an optional state estimate, giving net pay per period and disposable income. Pure comput
$0.008Base
GETapi.agentstools.dev/travel/visa
Visa requirement for a passport and destination pair from a community visa-matrix. Returns the normalized requirement such as visa free, visa on arrival, e-visa
$0.008Base
GETapi.agentstools.dev/answer
Cited answer (RAG): a natural-language question is answered by searching the public web, reading the top pages and synthesizing a grounded answer with a list of
$0.01Base
GETapi.agentstools.dev/breach/account
Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and never passwords or leaked personal data. U
$0.01Base
GETapi.agentstools.dev/bridge/exploits
Bridge exploit track record: for one bridge, its hack history (incidents, total USD lost, funds returned, worst technique); with no bridge, a ranked leaderboard
$0.01Base
GETapi.agentstools.dev/btc/tx
Decoded Bitcoin transaction by txid: inputs and outputs, fee, size, weight and virtual size, replace-by-fee flag, and confirmation status with a confirmation co
$0.01Base
GETapi.agentstools.dev/derivs/funding
Perpetual-swap funding rates for an asset fused across decentralized venues (Hyperliquid, dYdX v4): each venue's current funding plus an open-interest weighted
$0.01Base
GETapi.agentstools.dev/derivs/oi
Open interest for a perpetual asset across decentralized venues (Hyperliquid, dYdX v4): per-venue open interest in coins and in USD notional (via each venue's m
$0.01Base
GETapi.agentstools.dev/edgar/concept
Cited time-series for a single financial line-item from SEC EDGAR XBRL. Give a ticker or CIK plus a concept (a canonical name like revenue or netIncome, or a ra
$0.01Base
GETapi.agentstools.dev/energy/natural-gas
US natural gas data from the EIA: Henry Hub spot price (daily) and weekly working gas in underground storage (Bcf, Lower 48 or region). Returns latest value, ch
$0.01Base
GETapi.agentstools.dev/energy/petroleum
US petroleum prices and stocks from the EIA: retail gasoline and diesel by PADD region (weekly), WTI and Brent crude spot (daily), and weekly crude/gasoline/dis
$0.01Base
GETapi.agentstools.dev/etf/flows
Daily net creation/redemption flow for spot Bitcoin or Ethereum ETFs, computed from each issuer's own holdings disclosure: per-fund and total net flow in USD an
$0.01Base
GETapi.agentstools.dev/fraud/score
Fusion anti-abuse risk score for an email and/or IP in one call. Combines domain-level email intelligence (MX, SPF, DMARC, disposable, free, role) with IP reput
$0.01Base
GETapi.agentstools.dev/govcon/awards
Search awarded US federal contracts and grants from USASpending.gov, filtered by award type, recipient, agency, NAICS, keyword and fiscal year, returning a norm
$0.01Base
GETapi.agentstools.dev/lending/rates
Cross-protocol DeFi money-market supply/borrow rates for an asset on Base: per-market supply APY, borrow APY, reward APY, utilization, LTV and available liquidi
$0.01Base
POSTapi.agentstools.dev/mcp/scan
Static security scan of an MCP manifest or tool list. Detects tool poisoning, hidden unicode instructions, prompt injection, data-exfiltration directives, dange
$0.01Base
GETapi.agentstools.dev/mining/hashprice
Bitcoin mining hashprice: expected mining reward per petahash and per terahash per second per day, in BTC and USD, fused with the network hashrate, current diff
$0.01Base
GETapi.agentstools.dev/prediction/market
Detail of ONE prediction market or event by numeric id, 0x conditionId, market-slug or event-slug (auto-detected): normalized outcomes with implied probabilitie
$0.01Base
GETapi.agentstools.dev/prediction/search
Cross-venue prediction-market search: one query returns a ranked list of NORMALIZED markets from Polymarket (real-money) and Manifold (play-money) under one sch
$0.01Base
GETapi.agentstools.dev/prediction/trending
Top trending prediction events by 24-hour traded volume: a normalized list with 24h and total volume, liquidity, market count, a top-market summary, close date,
$0.01Base
GETapi.agentstools.dev/price
On-chain USD spot price for 50+ assets from Chainlink feeds or the most-liquid Base DEX pool (computed from public chain state): crypto majors, stablecoins, Bas
$0.01Base
GETapi.agentstools.dev/rwa/category
Market-intelligence aggregate over a normalized RWA sub-category: total TVL, the top products ranked with their TVL share, issuer concentration and the leading
$0.01Base
GETapi.agentstools.dev/scholar/search
Search the scholarly literature by keyword or topic and get a ranked list of works with core metadata. Optional filters for year range, open-access only, concep
$0.01Base
GETapi.agentstools.dev/threat/ioc
Type-agnostic threat-intelligence enrichment for a SOC or DFIR agent. Give one indicator of compromise of any kind — a file hash, IP, domain, URL or CVE id — an
$0.01Base
GETapi.agentstools.dev/timing/fng
Crypto Fear & Greed index with a market-timing trend: current value and classification, 7-day and 30-day deltas, streak in the current regime, 30-day min and ma
$0.01Base
GETapi.agentstools.dev/travel/advisory
US State Department travel advisory for a destination country. Returns the advisory level one to four, its label, the summary and the last-updated date, normali
$0.01Base
GETapi.agentstools.dev/treasury/cash
The US Treasury operating cash balance (the Treasury General Account) from the Daily Treasury Statement. Returns the latest TGA closing balance, the history ove
$0.01Base
GETapi.agentstools.dev/treasury/debt
US federal debt from the Treasury Debt to the Penny series, split into debt held by the public and intragovernmental holdings, fused with interest expense on th
$0.01Base
GETapi.agentstools.dev/social/sentiment
Composite bull/bear sentiment for a crypto ticker or topic, fused across three ToS-clean sources: Farcaster cast sentiment (open-protocol hub), our crypto-news
$0.012Base
GETapi.agentstools.dev/attention/pageviews
Wikipedia-readership attention index for a word/entity: resolves the word to an article (disambiguated by real traffic), then returns a 0-100 index, WoW/MoM del
$0.015Base
GETapi.agentstools.dev/prediction/prices
Odds/price history for ONE outcome of a prediction market (by id, 0x conditionId or slug): a normalized implied-probability time series plus a momentum summary
$0.015Base
GETapi.agentstools.dev/prediction/trades
Recent trades for one prediction market (by conditionId, slug or numeric id): a PII-stripped pseudonymous feed plus a derived summary — trade count, buy/sell vo
$0.015Base
GETapi.agentstools.dev/realestate/prices
The FHFA House Price Index for a geography: the current index level plus year over year, quarter over quarter and five year growth, with momentum flags and a sh
$0.015Base
GETapi.agentstools.dev/scholar/author
Disambiguate a researcher and return their profile: works count, citation count, h-index, institutions with ROR, top concepts and top works. Give an orcid for a
$0.015Base
GETapi.agentstools.dev/treasury/rates
US Treasury interest rates: the Daily Treasury Par Yield Curve fused with the average interest rates on the outstanding debt by security type. Computes the 2s10
$0.015Base
GETapi.agentstools.dev/address/labels
Identify what an EVM address IS in one keyless call: contract/protocol identity (entity, name, category) from Open Labels Initiative attestations with trusted-a
$0.02Base

Latest checks

WhenEndpointHTTPmsResult
5 days agoapi.agentstools.dev/address/labels402174valid x402 v2 terms

Income on Base (7 days)

DayTransfersUSDC
2026-11-0112$0.021
2026-10-312$0.016
2026-10-3084$2.76
2026-10-2920$0.232
2026-10-2816$0.228
2026-10-2719$0.093
2026-10-268$0.088
2026-10-2577$0.175

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x402 status badge
Claim it for free with x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.

Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/api.agentstools.dev