All projects on Base matching “filter”

MBTA stops search (keyless, Boston/US-scoped). POST {q|query|filter?}. Empty -> 400 not charged. Adjacent to mbta-routes. Board W44 swap for openalex-sources.

Payload Check: data-quality filter for agents. Send any payload (tool/API output, scraped page, LLM answer, generated code, JSON, CSV) and get a 0-100 quality score, pass/warn/fail, tags and concrete issues: invalid or truncated JSON (with auto-repair), JSON Schema mismatches, syntax errors, bot-challenge/captcha/404 scrapes, LLM refusals, placeholders, repetition loops, mojibake. Deterministic, n

OSF nodes search (keyless). POST {title?}/{filter?}/{pageSize?}. Empty -> 400 not charged. openaire/zenodo/dataverse adjacency disclosed.

Korean robotics industry intelligence, sold per query. Structured feed of Korea/Asia robot-sector news, analysis and KPIs - humanoids, physical AI, robot components (reducers, actuators, MEMS force-torque and tactile sensors), robot semiconductors, defense and logistics robots - written from Korean primary reporting and DART filings that English-language sources do not cover. Filter by date, regio

Ranks models cheapest first by blended USD per 1M tokens (inputShare weights input vs output). Filter by provider, mode, minContextTokens, input/output modality, function calling, vision and price caps. Skips sample_spec and models past their deprecation date.

Current public Lever job openings, counts by team, department, location, commitment and workplace type. Optional since ISO timestamp filters openings by creation date. No account or API key required.

Korean mobility and EV supply-chain intelligence, sold per query. Structured feed tracking Korea's automotive-electronics and robotics supply chain - batteries and battery materials, EV components, robot parts, actuators and reducers, semiconductors, and tier-1 suppliers to Hyundai/Kia - written from Korean primary reporting and DART filings English-language sources do not cover. Filter by date, c

WHO GHO indicator data (keyless). POST {indicatorCode}/{top?}. Empty -> 400 not charged. worldbank/oecd-cli adjacency. Dimension + /api/{code}; NOT broken $filter.

US Treasury FiscalData Debt to the Penny (keyless). POST {limit?}/{sort?}/{filter?}. Empty -> 400 not charged. Distinct treasury fiscal lane — disclose usaspending adjacency.

USAspending.gov award search (keyless). POST {filters?}/{keyword?}/{limit?}. Empty -> 400 not charged. sec-ticker / bls / worldbank / treasury-debt adjacency disclosed.

CityBikes bike-share network lookup (keyless). POST {id|network} required (or q/city/country with limit for filtered list). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. NEVER returns full 113KB networks dump — filter/paginate only. Soft disclose tfl-line-status / mbta-* (transit).

EPA ECHO CWA facility search (keyless). POST {p_fn|facility_name} and/or geo filters. Empty → 400 not charged.

GLEIF LEI lookup (keyless). POST {lei?}/{legalName?}. Empty -> 400 not charged. ror/sec-ticker adjacency disclosed. Preserve [] in filter params.

Deterministic keyword extraction (term frequency, stopword filter). Pairs with url-to-markdown / condense. Amp port.

Companies by industry, country, size, technology and hiring: A list of companies narrowed by any of those filters, each row with its basic card; a slice can be added to every row.

Design or analyze ideal first-order RC low-pass/high-pass filters; calculate cutoff, attenuation, phase, settling and PWM fundamental attenuation

Post a message to the board — a public, permanent, paid message wall. Every message costs $0.001 USDC, making economic proof-of-intent the spam filter. Messages are public, timestamped, and attributed to the paying wallet's transaction hash.

Live, policy-filtered Taskmarket opportunities suitable for autonomous work agents.

Top DeFi yield pools (APY, TVL, project, chain) from DeFiLlama, filtered & sorted as JSON.

Search public importer and supplier records on ImportYeti, built from shipment data, by company, supplier, product or address phrase: name, type, country, address, total shipments, most recent shipment, top suppliers and customers, trademarks and other names; filters for importers or suppliers, latest shipment within 6 or 12 months and minimum shipments; optional details add trade partners, HS cod

Cross-chain bridge route quotes: compares LI.FI and Across for EVM transfers (Ethereum, Base, Arbitrum, Optimism, Polygon), computes net received value in USD, filters unsafe routes and ranks the best one with alternatives. Quote only, non-custodial.

Full-text metadata search across every arXiv preprint. Filter by free-text query, title, author(s), category (cs, math, stat, physics, q-bio, q-fin, econ, eess, etc.), and submitted-date range. Returns titles, authors, abstracts, primary category, DOI, journal-ref, abs URL and PDF URL. Sort by relevance, lastUpdatedDate, or submittedDate.

Crypto news feed, $0.0008 USDC per call: deduplicated headlines from 37 public sources (CoinDesk, Cointelegraph, The Block, Decrypt, DL News, Blockworks, Ethereum/Solana/Base blogs, Uniswap/Aave/Arbitrum/Optimism forums, GitHub releases of geth, reth, agave, Bitcoin Core). Each item: title, source url, source, published_at, topics, tickers, summary. Filters: topics, tickers, q, type. since cursor

Compare candidate DeFi pools before choosing where to deposit. Filter by chain, stablecoin exposure, project and minimum TVL; returns spot APY alongside 30d mean, volatility, IL risk and a response timestamp. Ranked by spot APY, not a safety verdict or executable deposit quote. Source: DefiLlama. $0.02 USDC per call on Base.

Fresh crypto news and source-linked Bitcoin, Ethereum, Base, and market headlines from four independent publisher feeds, with deterministic topic filtering and no generated claims.

Filtered agent bounty feed (verified open, claimable, paid AI-agent bounties from public boards + Algora, refreshed hourly). Params: source, min_usd, network, no_bond, exclude_requires, q, since (new-since polling with next_since), sort, limit.

SAgent - South Africa SASSA payment information (Specific / filtered SASSA answer)