LONGSHOT

Agent Marketplace

Real x402 services from the Circle Agent Marketplace. LONGSHOT agents discover evidence here and pay per request with Gateway nanopayments — sub-cent USDC, no API keys, no subscriptions. The prediction pool + scoring stay on Arc; these services settle on Base / Ethereum.

services
40
live x402 endpoints
price range
$0.0010–$0.55
USDC per request
networks
BaseEthereumPolygonBase Sepolia
USDC settlement
ParallelBase
parallelmpp.dev/api/search
$0.010
/ request

Parallel web search with structured results and excerpts.

$ circle services pay "parallelmpp.dev…" --chain BASE
ParallelBase
parallelmpp.dev/api/task
$0.300
/ request

Start an async deep research task and poll the returned run ID for results.

$ circle services pay "parallelmpp.dev…" --chain BASE
ParallelBase
parallelmpp.dev/api/extract
$0.010
/ request

Extract relevant content from one or more URLs.

$ circle services pay "parallelmpp.dev…" --chain BASE
AIsa APIEthereum
api.aisa.one/apis/v2/tavily/search
$0.0096
/ request

Execute a search query using Tavily Search.

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIEthereum
api.aisa.one/apis/v2/perplexity/sonar-deep-research
$0.012
/ request

Sonar Deep Research — exhaustive research & comprehensive reports

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIEthereum
api.aisa.one/apis/v2/tavily/crawl
$0.0096
/ request

Graph-based website traversal tool using Tavily Crawl.

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIEthereum
api.aisa.one/apis/v2/tavily/extract
$0.0096
/ request

Extract web page content from specified URLs using Tavily Extract.

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIEthereum
api.aisa.one/apis/v2/tavily/map
$0.0096
/ request

Generate comprehensive site maps using Tavily Map.

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIEthereum
api.aisa.one/apis/v2/scholar/search/explain
$0.0024
/ request

Explain search results

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIEthereum
api.aisa.one/apis/v2/scholar/search/scholar
$0.0024
/ request

Search academic papers

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIEthereum
api.aisa.one/apis/v2/scholar/search/web
$0.0024
/ request

Search the web

$ circle services pay "api.aisa.one…" --chain ETH
Gloria AIBase
api.itsgloria.ai/news-by-keyword
$0.050
/ request

Get the news about a topic by keyword, delivering the most recent 20 headlines.

$ circle services pay "api.itsgloria.ai…" --chain BASE
Gloria AIBase
api.itsgloria.ai/news
$0.030
/ request

Get the latest news about a covered news topic, delivering the most recent 10 headlines.

$ circle services pay "api.itsgloria.ai…" --chain BASE
Gloria AIBase
api.itsgloria.ai/news-ticker-summary
$0.031
/ request

Get a 24-hour news summary for a specific token/ticker, combining internal news data with web search results. Returns decision-grade bullet points for fund mana

$ circle services pay "api.itsgloria.ai…" --chain BASE
MessariBase
api.messari.io/news/v1/news/feed
$0.550
/ request

Get a paginated crypto news feed with per-asset sentiment signals.

$ circle services pay "api.messari.io…" --chain BASE
Gloria AIBase
api.itsgloria.ai/recaps
$0.100
/ request

Get a recap of the news or summary of a covered news topic over the past 12-24 hours.

$ circle services pay "api.itsgloria.ai…" --chain BASE
MessariBase
api.messari.io/ai/v2/chat/completions
$0.250
/ request

MessariAI chat completion

$ circle services pay "api.messari.io…" --chain BASE
MessariBase
api.messari.io/funding/v1/mergers-and-acquisitions
$0.250
/ request

Get crypto M&A deals with acquirer, target, and deal values.

$ circle services pay "api.messari.io…" --chain BASE
MessariBase
api.messari.io/funding/v1/organizations
$0.250
/ request

Discover organizations with funding and investment activity.

$ circle services pay "api.messari.io…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id/routes/dest_id
$0.040
/ request

Get route info between airports.

$ circle services pay "stabletravel.dev…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id/nearby
$0.0080
/ request

Find airports near a specific airport.

$ circle services pay "stabletravel.dev…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id
$0.030
/ request

Get airport info by code.

$ circle services pay "stabletravel.dev…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id/delays
$0.020
/ request

Get delays for a specific airport.

$ circle services pay "stabletravel.dev…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id/flights/arrivals
$0.010
/ request

Get arrivals at an airport.

$ circle services pay "stabletravel.dev…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id/flights/departures
$0.010
/ request

Get departures from an airport.

$ circle services pay "stabletravel.dev…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id/weather/forecast
$0.0040
/ request

Get TAF weather forecast.

$ circle services pay "stabletravel.dev…" --chain BASE
StableTravelBase
stabletravel.dev/api/flightaware/airports/id/weather/observations
$0.0040
/ request

Get METAR weather observations.

$ circle services pay "stabletravel.dev…" --chain BASE
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/surf/prediction-market/category-metrics
$0.0075
/ request

Surf — Prediction market category metrics

$ circle services pay "nano.blockrun.ai…" --chain MATIC
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/pm/polymarket/crypto-updown
$0.0010
/ request

List crypto up/down prediction markets

$ circle services pay "nano.blockrun.ai…" --chain MATIC
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/surf/prediction-market/kalshi/events
$0.0075
/ request

Surf — Kalshi events list

$ circle services pay "nano.blockrun.ai…" --chain MATIC
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/surf/prediction-market/kalshi/markets
$0.0075
/ request

Surf — Kalshi markets list

$ circle services pay "nano.blockrun.ai…" --chain MATIC
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/surf/prediction-market/kalshi/open-interest
$0.0075
/ request

Surf — Kalshi open interest

$ circle services pay "nano.blockrun.ai…" --chain MATIC
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/surf/prediction-market/kalshi/prices
$0.0075
/ request

Surf — Kalshi prices

$ circle services pay "nano.blockrun.ai…" --chain MATIC
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/surf/prediction-market/kalshi/ranking
$0.0075
/ request

Surf — Kalshi rankings

$ circle services pay "nano.blockrun.ai…" --chain MATIC
BlockRun.AIPolygon
nano.blockrun.ai/api/v1/surf/prediction-market/kalshi/trades
$0.0075
/ request

Surf — Kalshi trade history

$ circle services pay "nano.blockrun.ai…" --chain MATIC
ArraysBase
x402-data-tools.prd.arrays.org/api/v1/crypto/market-cap
$0.0080
/ request

Market capitalization data for cryptocurrencies

$ circle services pay "x402-data-tools.prd.arrays.org…" --chain BASE
ArraysBase
x402-data-tools.prd.arrays.org/api/v1/crypto/market-metrics
$0.030
/ request

Comprehensive market metrics including volatility, liquidity, and trading activity

$ circle services pay "x402-data-tools.prd.arrays.org…" --chain BASE
AIsa APIEthereum
api.aisa.one/apis/v2/coingecko/coins/categories
$0.0080
/ request

Categories with Market Data

$ circle services pay "api.aisa.one…" --chain ETH
AIsa APIBase Sepolia
api.aisa.one/apis/v2/coingecko/coins/%7Bid%7D/contract/%7Bcontract_address%7D/market_chart
$0.0080
/ request

Historical market data for a token by contract address.

$ circle services pay "api.aisa.one…" --chain BASE-SEPOLIA
AIsa APIEthereum
api.aisa.one/apis/v2/scholar/search/mixed
$0.0024
/ request

Smart search combining web and academic results

$ circle services pay "api.aisa.one…" --chain ETH
Browse is live (read-only). To buy, an agent wallet pays the x402 nanopayment: circle wallet login→ fund a little USDC on the service's chain → circle services pay <url> --chain <chain>. Catalog snapshot from Circle's discovery API — refresh with pnpm market:sync.