The Stall

Endpoints (296 live)

• GET /cap/vision-analyze — Analyze any image URL using GPT-4o-mini vision. Returns structured analysis based on the mode: describe (full description), ocr (text extraction), chart (data/trend extraction), ui (interface analysis), identify (object/subject ID), or qa (answer a specific question about the image). Input must be a publicly accessible image URL (JPEG, PNG, GIF, WebP). $0.261/call. (0.261 USDC on Base)
• GET /cap/earnings-calendar — Earnings calendar for upcoming US stock reports — earnings date, EPS estimate, pre/post-market timing. Filter by ticker for per-company lookups, or scan a date window (1–90 days ahead) for calendar-driven research automation. Data: Alpha Vantage 3-month calendar, cached 2 hr. (0.059 USDC on Base)
• GET /cap/balance-sheet — Before buying or holding a stock, check whether the issuer’s reported cash, debt and balance-sheet liquidity changed across its filings. Compare quarterly or annual cash, investments, assets, current liabilities, debt, equity, working capital and shares outstanding from issuer-filed SEC EDGAR XBRL facts. Source: official SEC Companyfacts API; no API key. For monitoring, pass known_latest_period_end to detect a newer reported period; missing raw filing facts remain null. (0.021 USDC on Base)
• GET /cap/github-repo-intel — GitHub repository intelligence: stars, forks, open issues, language, license, last push date, latest release version and date, topics, and whether the repo is actively maintained. Input any GitHub repo as 'owner/repo' or a full GitHub URL. Use before wiring a new library as a dependency, when evaluating a project for acquisition or integration, or when you need to assess community health (stars/forks ratio, issue velocity, maintainer recency). Entity-parametric — one repo per call, parallel-saf (0.075 USDC on Base)
• GET /cap/market-gex — Dealer gamma exposure (GEX) analysis for any US stock or ETF — returns aggregate GEX, gamma flip level, key pinning strikes, and vol regime signal (positive GEX = pinning, negative = acceleration). Free CBOE delayed data, no API key. Standard SpotGamma-style calculation: calls subtract gamma, puts add gamma. Use with options-snapshot for full options context. (0.04 USDC on Base)
• GET /cap/youtube-channel-analytics — YouTube channel video performance analytics: recent N uploads with view counts, upload cadence, ACCELERATING/STABLE/DECLINING momentum, and top/bottom performers. Accepts @handle, channel URL, or UC... channel ID. Replaces 20+ sequential youtube-intel calls for channel-level research. (0.035 USDC on Base)
• GET /cap/whale-radar — Polymarket whale intelligence for a given proxy wallet address. Returns recent prediction-market trades (market title, outcome, side, size in USDC, price, timestamp) and current open positions (title, size, avg price, current value, unrealized PnL). Infers whale tier (whale/shark/dolphin/minnow) from trade sizes. Use for copy-trading signal generation, market-sentiment cross-reference, or on-chain agent behavior profiling. Free upstream: Polymarket public data API. (0.117 USDC on Base)
• GET /cap/yield-farming-active — Returns active DeFi yield farming pools sorted by 30-day average APY. Sourced from DeFiLlama (free, no key). Each pool includes protocol, chain, symbol, TVL, current APY, 30-day mean APY, impermanent-loss risk, and stablecoin flag. Filter by chain, protocol, minimum TVL, minimum APY, or stablecoin-only pools. Use for portfolio yield research, pre-trade DeFi reconnaissance, or capital allocation decisions. (0.059 USDC on Base)
• GET /cap/youtube-channel-intel — YouTube channel metadata: subscriber count, channel name, handle, description (1000-char cap), and tags. Accepts @handle, channel URL, or UC channel ID. Uses yt-dlp (no API key required). $0.039/call. (0.039 USDC on Base)
• GET /cap/web-scrape-links — Extracts all hyperlinks from any public webpage. Returns href URLs normalized to absolute URLs with visible link text. Filters out javascript:, mailto:, data: schemes. Optionally restrict to same-domain links, deduplicate, or include #anchor links. Useful for crawlers, sitemap builders, link graph analysis, and content audits. (0.059 USDC on Base)
• GET /cap/world-bank-data — World Bank open data — 1600+ development indicators for 200+ countries. Returns most-recent values and 5-year trend for any indicator by country. Covers GDP, population, inflation, unemployment, FDI, debt, exports, CO₂, life expectancy, Gini, internet penetration, ease of doing business, and more. Accepts ticker-style aliases (gdp, inflation, unemployment) or full WB indicator codes. Sourced from api.worldbank.org — free, no key required. Use for country risk, macro comparisons, policy analysis (0.034 USDC on Base)
• GET /cap/web-change-monitor — Returns content-change signals for any public URL: ETag, Last-Modified, Content-Length, and Content-Type via HTTP HEAD. Falls back to GET + SHA-256 of the first 32 KB when the server returns no cache markers. Store the snapshot and re-call periodically to detect changes. Useful for monitoring competitor pricing, news, regulatory filings, or any public page. (0.059 USDC on Base)
• GET /cap/youtube-keyword-research — YouTube keyword research using Google's autocomplete API. For a seed topic, returns suggested search phrases plus intent clusters: questions people ask, tutorial/learning queries, comparison queries, and year-tagged trending terms. No API key. Upstream of youtube-niche-intel (competition scoring) and youtube-intel (video search). Use when mapping a YouTube content strategy, finding keyword gaps, or building a channel topic plan. (0.059 USDC on Base)
• GET /cap/wikipedia-intel — Wikipedia article lookup and search. Given a search query, returns the top matching Wikipedia articles with title, plain-text extract (~800 chars), description, thumbnail URL, page URL, and last-modified date. Use for rapid factual lookup, entity enrichment, concept explanation, or pre-flight research on any topic. Entity-parametric — accepts one query per call; parallel-safe for enriching lists of companies, people, or places in distributed agentic pipelines. No API key required. (0.034 USDC on Base)
• GET /cap/youtube-intel — YouTube video intelligence: title, author, channel stats (subscriber count, channel ID), description, view/like/comment counts, duration, upload date, thumbnail, tags, categories, structured chapters (timestamps), replay heatmap (top-20 most-replayed segments), live status, and availability. Accepts any YouTube URL or bare video ID. Powered by yt-dlp. (0.1 USDC on Base)
• GET /cap/youtube-comments — Top comments for any YouTube video, sorted by like count. Returns comment text, author, like count, timestamp, and pinned/favorited flags. Useful for audience sentiment analysis, identifying notable reactions, and understanding community response. Accepts any YouTube URL format or bare 11-character video ID. (0.039 USDC on Base)
• GET /cap/youtube-niche-intel — YouTube competitive intelligence for a keyword or niche: channel concentration, view velocity, saturation signal (SATURATED/MODERATE/OPEN), opportunity grade (A–F), and dominant channels by view share. (0.025 USDC on Base)
• GET /cap/web-company-intel — Extract structured company intelligence from any public website. Returns company name, description, logo, emails, phones, address, founded date, social links (Twitter/LinkedIn/GitHub/etc.), and raw OpenGraph + schema.org/Organization data. Per-URL, entity-parametric — parallel-safe for batch company profiling in agentic pipelines. Pure HTML extraction — no external APIs. (0.059 USDC on Base)
• GET /cap/x402-endpoint-intel — Market intelligence for any x402 endpoint or operator wallet. Returns settlement volume, unique payer count, price range, reputation tier, activity window, and endpoint description — drawn from 4.1M+ Base mainnet settlements in the Stall's proprietary on-chain dataset. Use before routing agent spend, vetting a counterparty operator, or benchmarking competitor pricing. No external API. Covers 80,000+ operators across 10+ days of live traffic. (0.04 USDC on Base)
• GET /cap/stablecoin-watch — Real-time depeg monitor for top USD stablecoins (USDT, USDC, DAI, USDS, and others ranked by market cap). Returns current price, peg deviation %, depeg status (PARITY / MILD_DEPEG / MODERATE_DEPEG / SEVERE_DEPEG), supply trend, and a composite alert level (GREEN / YELLOW / ORANGE / RED). Sourced from DeFiLlama public API — no key required, updates every call. Useful for DeFi risk management, collateral health checks, and pre-trade regime detection. (0.07 USDC on Base)

+276 more endpoints.