All projects on Base

Bulk web search — run up to 5 search queries in one paid call and get ranked results per query (title, URL, snippet, relevance score) as clean JSON. Same news, finance, date-range, country and domain filters as single web search, applied to every query. One payment instead of five for research fan-out, multi-query RAG retrieval and agent planning.

LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models (Claude, GPT, Gemini, Grok, DeepSeek, Qwen), no API key or account, pay per call in USDC. Call it when an agent needs an LLM answer, a second opinion, or a model it has no key for. SingIt Ask; models at GET /v1/models.

Bidirectional SPL token swap aggregator on Solana mainnet via Jupiter v6 routing across 30+ DEXs (Raydium, Orca, Meteora, Phoenix). USDC to BONK WIF POPCAT JUP RAY ORCA SOL MEW BOME or any SPL, and reverse to USDC. Two-step quote/execute x402 flow. 1% fee. AI agent swap. memecoin DEX.

Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent

Bulk Bitcoin block extract (max 144 blocks per call, flat price per call). Returns array of per-block summaries (height, time, miner pool, tx count, witness/taproot/ordinals/op_return stats, total output, coinbase reward).

Causal chain for arabica coffee: minimum temperature forecast 72h ahead over the southern Minas belt (frost is the event that historically moves KC hardest, operational threshold 3 °C) → consecutive dry days stressing flowering → observed rainfall → the official BRL/USD rate that converts the international price for the grower. Brazil is the top arabica exporter. Physical signal only: bring your o

SociaVault API proxy — twitter-user-tweets-all. Query/body matches https://docs.sociavault.com/api-reference/openapi.json. GET/POST per route; x402 per call. $0.014 USDC per request.

Search GAMEMAXXING's video games and gaming knowledge base for game concepts across game design, game business, game culture, and gaming history, then return ranked JSON hits with full content first and source URLs second.

Call when an agent has an 8 or 13 digit barcode and needs the checksum result and the GS1 prefix country. Does not confirm the product or a price.

Ysaere Agent Page Extract — $0.02 USDC, no account needed. Input: {"url":"https://ysaere.com","max_chars"?:12000}. Fetches that public https page and returns clean readable text, title, meta description, headings, word_count, and a v2:sha512: content_hash in this response. Failed fetches refused before payment. Wallet only. No account price.

Checks one email address and returns valid, risky or invalid with the reasons: address format, whether the domain can receive mail (live MX lookup), known throwaway domains (mailinator and others, invalid), shared inboxes like info@ or sales@ (risky), likely typos such as gmial.com with the fix in didYouMean, and free providers such as gmail.com (flag only). Does not ping the mailbox (no SMTP), so

Cheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settle any x402 counterparty. Keyless Base USDC, Ed25519-attested. Upsell: recheck $0.01 answers should I pay this wallet again (GO, HOLD, or STOP).

Scheduled market-moving events for the next 7 days by default (?days= up to 90): US data releases with release times (CPI, jobs, GDP, PCE, PPI), FOMC, ECB and Bank of Japan decisions, Treasury auctions and dated crypto and regulatory milestones, each with importance 1-3 and official source. Use before any trade or scheduled action to know what is on the calendar. From official schedules, refreshed

Locus public pay-per-use API

Web research in one call: ask a question and get a short cited answer, summarize a topic or get a Wikipedia summary. Returns a 1-3 sentence answer, key points tied to source ids, and the sources used (typically 1-5: title, URL, publisher, date, supporting quote), confidence and a free permalink. Sources: Wikipedia first, plus web pages, Stack Overflow, GitHub, papers, docs. Example: "What is the M

Smart-money bundle in one call for any US-listed company by stock ticker or CIK: insider trades (Form 4), institutional 13F-HR holdings, and recent 8-K material events together. Track what executives and hedge funds are doing — buys, sells, portfolio positions, and corporate events. Resolves ticker to CIK via SEC's official index. Sourced live from data.sec.gov.

VAT (IVA) rates for 17 Latin American countries, including Argentina, Chile, Colombia, Mexico, Peru (IGV) and the Dominican Republic (ITBIS): standard and reduced rates, plus net-to-gross or gross-to-net calculation. Reviewed dataset with source and review date; Brazil is excluded because it has no single rate. Use when pricing, quoting or invoicing in Latin America and you need the local VAT rate

UGC product video prompt: the compiled prompt and render plan for a 5s 9:16 casual spot on seedance-1.5-pro

URL safety verdict: follows the redirect chain, detects homograph and punycode hostname tricks, and cross-references the destination host against the URLhaus threat feed. Returns safe, suspicious or malicious with reasons. Single-URL scope; domain-wide grading is /sitegrade and registration facts are /domain-intel.

News Gurus Intel API — per-symbol conviction: 50 latest signals from 42 generators merged into bullish/bearish counts. Example NVDA: 12 signals, 8 bullish, 3 bearish, avg confidence 0.61, each typed (options_flow, dark_pool, congressional, technical). The only x402 API selling derived US-equity signals rather than raw quotes. Flagship read for 'what does the evidence say about TICKER right now'. E

A task marketplace for agents. POST {spec, reward_credits} escrows the reward and lists the task; GET lists open bounties, GET ?id=X reads one task (any state) incl. its full spec. Workers claim (/bounty/claim), submit results (/bounty/submit); the poster approves (/bounty/approve) and the worker is credited minus a 20% house fee. TO POST: hold reward_credits credits first (POST /credits/buy, $0.0

Use to extract the main article or document text from a single-page URL. Not for homepages or hubs (Web Index Cleaner) and not a link inventory (Link Extractor). Server HTML only; JavaScript is not run. Output is text or markdown. If the requested extract has no main content, the other profile is tried once in the same request. The HTTP body has correlation_id and data. The item array is data.resu

Opens each URL in a cloud browser and returns one tab per URL, in input order, with the title, content type, extracted text, the accessibility tree and a link map. Results over the inline size limit return a preview per tab plus a download reference. Each call is one request.

Call before trusting or paying a third-party x402 seller: catalog-vs-live integrity -- verify an x402 listing (payee, price, network, service, tags, bazaar block) against the live 402; an endpoint preflight for x402 catalog vs live offers, seller trust and listing consistency so an agent can skip dead or mismatched endpoints (JSON).

Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corpus rounds and verdicts as recorded, when we last actually knocked, our coverage of the window since we met it, and the gaps with their reasons. Read from the books at the counter — no request is made

Locus public pay-per-use API

Use when you need callable agent services for a capability across protocols: x402 listings ranked by relevance weighted by 30-day paying wallets, plus hosted MCP servers from the Official MCP Registry (a capped subset, count in coverage; those naming x402, L402, MPP or pay-per-call first; that registry publishes no prices). L402 and MPP listings are not covered. ?q= required. $0.002 USDC per call.

Token risk verdict (age, liquidity, contract checks, suspicious-transfer scan) with per-claim evidence. x402-paid.

Archive coverage for a coin's liquidations over a window (≤7 days): which archived hours hold liquidations and where the gaps are. Warms the cache for everyone after. Priced floor ($0.001) + $0.05 per archived hour examined.

Look up a company by company_name, website, linkedin_url, or company_id. Any one lookup field is sufficient; company_id is the fastest indexed lookup. Returns the best match with the full company profile including description, employee count, industries, NAICS codes, locations, posts, and funding data.