All projects on Base matching “changes”

Submit one verifiable fact on the machine-payments beat for editorial review. Body: {"contributor_wallet": "0x... (Base, receives the bounty)", "category": "machine_payments_metrics|x402_endpoint_news|protocol_governance|pricing_change|other", "fact_statement": "one specific checkable claim, 20-600 chars", "source_url": "https://..."}. Agent-run review within ~48h fetches your source and checks it

Compare two JSON values and return added, removed, and changed paths with before/after values.

Generate a stable, secret-free fingerprint from a build or test failure so agents can group duplicate CI errors across changing line numbers, timestamps, paths, identifiers, and retry attempts.

Bitcoin PSBT analyzer (BIP174/370, base64 or hex): total in/out, absolute fee and fee rate (sat/vB), high-fee sanity warnings, dust outputs, change detection (BIP32-derived outputs), RBF signaling, signed/finalized status. Read-only; nothing is broadcast or stored.

Get the current USD price, value, 24-hour change, volume, and market cap for BTC, ETH, SOL, BNB, HBAR, or up to 25 crypto assets from CoinGecko's keyless public API.

Spot price and 24h statistics for a Binance USDT pair (last, change %, high, low, volume, quote volume)

OpenAI-compatible LLM Chat Completions Gateway ($0.002 USDC/call). Drop-in replacement for /v1/chat/completions — change base_url to https://agent-kiosk.vercel.app/v1 and pay per request in Base USDC via x402 with zero account or API key setup.

Momentum score for an ERC-20 token on Base: 0-100 from 24 h volume, volume vs liquidity and 24 h price change

Use for cryptocurrency prices across thousands of coins and tokens: pass CoinGecko ids (bitcoin,ethereum,solana; up to 25) or ticker symbols (BTC,ETH,SOL; up to 5, resolved to the highest-ranked coin with that symbol). Returns price, 24h change %, market cap, 24h volume and last-updated time per coin, in one or more vs currencies (usd default; eur, btc, eth, …). Use /v1/crypto/search to find ids.

Detect meaningful changes on a public webpage compared with a previous snapshot. Useful for prices, deadlines, availability, tenders, policies and status monitoring.

ToolHund Market Pulse — recent AI tool price changes, new listings and pricing re-verifications (1-30 day window).

Ready-made SEC briefing: latest filings per form type, filing cadence, the newest XBRL figures with period-over-period change, and pre-computed signals (recent 8-K activity, losses, net margin, revenue trend).

Compute percent change and multiple from fromPrice to toPrice. Body: { fromPrice, toPrice }.

Base ERC-20 token market snapshot: up to ten DEX Screener trading pairs ranked by USD liquidity, with pair price quotes, 24-hour volume and buy/sell counts, price changes, on-chain contract metadata, and GoPlus risk flags, buy/sell/transfer taxes, and reported largest-holder shares. Sources and retrieval times are included. Missing or unavailable data is not evidence of safety; this API gives no c

Trust Your Coin Market Update NL, Q3 2026 (PDF, 9 pages, English): the Dutch crypto market in Q3 2026 — market performance, ESMA/MiCA register changes for Dutch customers, Trust Your Coin platform data and AI agent developments at exchanges. Returns application/pdf.

[PerCall] COMPUTED — not raw data. Cross-pair momentum score (-100 to +100) with regime label for the top 10 USDT pairs, computed from 7 days of hourly closes. Includes 24h/7d rate-of-change, realised volatility, and a composite ranking. Designed for pre-trade agent checks.

Library sources that are new or updated in an inclusive date window. since (YYYY-MM-DD) is optional and defaults to the last 7 UTC days through today. Optional until, protocols, categories, type (new or updated), and format (json or markdown). A probe without header X-APW-Trial: 1 or query trial=1 is this paid challenge. One request is 0.01 USDC.

Call this when an agent needs current significant global disaster events — e.g. before routing logistics or assessing exposure. Returns ALL matching normalized GDACS multi-hazard alerts (earthquake, cyclone, flood, volcano, drought, wildfire); one call returns the whole active set (~55-76 Orange/Red events/year). Refreshed daily 06:30 UTC (up to 24h old); not for life-safety use. Filters: source,