All projects on Base matching “ev”

Filter a JSON/NDJSON event log by field/operator/time range; returns matching events. Use when an agent needs to pull matching rows (thresholds, equality, substring, threshold crossings, time windows) out of a log or metrics event list. Body: {events:[...]|"<ndjson>", filter:{field,op,value?,direction?,timeField?,from?,to?,limit?}}. Ops: gt,gte,lt,lte,eq,ne,contains,crosses_threshold. Free demo at

AI Text Tools extract: Extract named fields from text into strict JSON; null for anything the text does not state, nothing invented.

Current USD price, market cap, 24h volume and 24h change for up to 10 cryptocurrencies by ticker symbol (BTC, ETH, SOL, ...) or for any on-chain token by contract address and chain (ethereum, base, bsc, arbitrum, polygon, optimism, avalanche, solana). Data from CoinGecko.

Upcoming Federal Reserve FOMC meetings, press conferences, speeches, testimony and releases with ET times, speakers and a market-moving flag.

Check an AI agent's track record: signed verification history, pass/fail counts, recency-weighted score. $0.01 per lookup when there is a score; a lookup for an AI agent with no history is answered free, signed. USDC via x402 v2 (Base/Solana).

Verify a claim or fact check a statement against public web sources: send a question and up to 5 URLs, get cited evidence - passages that support, contradict or fail to settle it. Claim verification with a citation for every excerpt: source URL, retrieval time, content hash. Never charges when nothing is retrieved. Free to evaluate: the `sample` tool returns one real response at no cost, so you ca

Queues a video generation job from a text prompt, optional reference media and an optional audio track, and returns the media object at once. Poll GET /v2/media/{media_id} until processing_status is success and read the URLs in result. Credits depend on the tool tier, the duration, the quantity and the audio options, and the estimate route returns the exact number.

OpenAI-compatible chat completions backed by DeepSeek (GET probe variant). Answers open-ended questions and returns reasoned analysis.

Call before paying an unfamiliar x402 endpoint, or to pick between providers. $0.02, usually <1 s plus one probe: live unpaid probe (status, latency, TLS, PAYMENT-REQUIRED decoded and sanity-checked), seller reputation from indexed on-chain USDC payments to its Base payTo (24 h/7 d count, distinct payers, total and median USD, top-payer share), Bazaar listing and price, and a looks legit/caution/a

Daily crypto market regime: BTC/ETH trend, breadth, breakout watchlist. BTC/ETH vs 20/50-day MAs, market breadth (% of point-in-time top-N above 20DMA), coins nearest a 20-day breakout, and the R1 breakout strategy's gate and entry signals. Completed UTC daily closes only.

Florida condo SIRS filing check: has a Florida condominium association reported a completed Structural Integrity Reserve Study to the state (DBPR)? Search by building or association name, optionally narrowed by city, zip or county.

Find the cheapest WORKING x402 service for a task. Compares thousands of paid APIs from the Coinbase, PayAI and Dexter catalogs by similarity, live price, uptime and speed (checked continuously). Send the header "X-Free-Tier: 1" for 20 free requests per day. /v1/check is always free.

PDL Person Search - Search across 3B+ person records using Elasticsearch DSL or SQL queries. Returns matching person records with pagination via scroll_token. Price scales with the requested `size` (1 PDL credit per result).

Aura machine-readable x402 Bazaar market snapshot: Base-USDC price distribution, category demand, freshness, newest listings

Lists entities publicly flagged as non-compliant under MiCA by EU national competent authorities. Query parameter: country (string, optional; 2-letter EU member-state code, e.g. IT). JSON response: count (number) and entities[] with legal_name, commercial_name, lei, home_member_state, competent_authority, website, infringement, reason, decision_date (ISO date), record_updated. Data source: ESMA In

Pay-per-scan AI agent-readability scan. POST { "url": "https://…" } with an X-PAYMENT header to run a scan with no account or subscription. Two tiers: $0.02 (25 pages) and $0.25 (250 pages), USDC on Base.

8 Things That Tripped Me Up Implementing x402

Markdown only: fetch a public web page (robots.txt respected) and return clean Markdown plus title/word count. Cheaper than /v1/extract when you do not need structured product/table JSON.

NoJunk Speech transcribe: Transcribe audio (URL or base64, up to 20 MB / about 10 minutes) to text with timestamps, word count and detected language (Whisper large-v3-turbo).

Look up an Italian public administration or public-service operator by 11-digit codice fiscale in IndicePA (AgID). Use when an agent must verify a public-sector counterparty, find its official PEC (certified email) addresses, or confirm it exists before e-invoicing. Input: ?cf=80016350821.

Use when you need to check whether an IBAN is valid and extract its country, bank code and check digits.

Pay-per-call cited research brief. The request carries a query and 1 to 12 quotes with source URLs; the response is a short brief that cites only those quotes, at 0.008 USDC per call on Base. Payment settles after the brief is produced. A client nonce header makes a retry free of a second charge.

Check whether a person or company appears on the SAM.gov federal exclusions (debarment) list. Query by name, UEI, or CAGE code. Returns exclusion details and an audit receipt.

Verify a US freight carrier by DOT or MC number. Returns carrier identity, operating authority status, safety rating, and 24-month crash summary from FMCSA public data.

Checkup for x402 buyer clients. Pay once and get a field-by-field diagnosis of the payment your client signed (amount, recipient, validity window, clock offset, nonce, EIP-712 signature) and of the request that arrived, plus the facilitator's verify and settle results. Base mainnet payments get the full diagnosis; Base Sepolia payments get a preview with the status of each check only.

Deterministic pre-purchase readiness and payment-metadata audit for public agent endpoints

Verify whether a cited source supports an exact factual claim

Perform the chant: 'All hail the Magic Conch!' The club responds: 'Hooray for the magic conches!' That is all this does, and it is enough.

China news in English: latest headlines from Chinese state, commercial and overseas media plus platform hot lists (public data, translated). $0.01 USDC per call.

Withdraw agent ETH balance to USDC (mutates: gas + swap)