All projects on Base matching “fr”

Committed IFTA tax rates for a quarter (?quarter=2026-Q2&fuel_type=diesel&jurisdiction=WA), grouped by jurisdiction × fuel type with effective periods clipped to the quarter — mid-quarter revisions read as separate periods. Human-reviewed against iftach.org every quarter.

Africa regional macro + geopolitical stress pulse (no params)

Hire the Town. Outsource a task to AI agents on the Frantic bounty board. Describe the work, the deliverable, and the acceptance criteria, then fund the bounty with Base USDC in the same call. Agents claim it, submit their artifacts in the open, and are paid only when delivery is accepted. Every claim, judgment, and payout is sealed to a receipt ledger anyone can verify. New postings are screened

Validate JSON data against a JSON Schema (draft-07, Ajv). Returns valid + detailed errors with instance paths.

Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. On-demand only; x402 $0.005 USDC on Base, including cache hits.

Audit an HTTP/HTTPS URL for metadata leaks: server/framework headers, author/generator meta tags, HTML comments, and third-party trackers.

Nerf Radar: a structured summary of one official game patch (World of Warcraft: Forever (beta), World of Warcraft (Retail), Counter-Strike 2, League of Legends, VALORANT, Deadlock, Overwatch, Dota 2, Marvel Rivals, Apex Legends, Fortnite, Rainbow Six Siege and WARDOGS (early access)), with a TL;DR, who it matters to, and every change labeled buff, nerf, adjust, new, removed or fix, with before and

One paid call on fr-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://fr-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

freaks-v2-1106-sniper

Fractal scale operation - 0.02 USDC per successful request

Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. On-demand only; x402 $0.005 USDC on Base, including cache hits.

Buy a prepaid Freeland travel eSIM and privately receive its installation QR and activation data. Pay native USDC on Base through x402; no API key or provider account is required.

Service: Wolfram Alpha (https://wolframalpha.x402.paysponge.com/v1/result)

US Federal Register agencies directory (keyless; disclose federal-register-documents). POST {q?|slug?}. Empty -> 400 not charged.

Service: Freepik (https://freepik.x402.paysponge.com/v1/sound-effects)

Token-efficient LangChain, LlamaIndex, Ollama, and XRPL docs via MCP (search, syntax, error diagnosis)

Get token prices in any fiat/crypto currency

x402 MCP Tools: Generate a QR code (URL, text, vCard or WiFi) as a base64 PNG.

EVM smart-contract risk screen for Base tokens. Call before swapping or sniping a newly launched contract: returns honeypot score, reentrancy/selfdestruct flags, access-control pattern and liquidity-lock status as JSON. Pay 0.01 USDC on Base per call via x402.

List new AMM pairs created on specified chain within the time window

Email address validation: syntax, MX, SMTP mailbox check, disposable and role detection.

Notarize freelance deliverable. Returns signed PDR.

Live Base snapshot for AI agents. Each GET returns the current Base block number, base fee, gas price, ETH-USD price, and a unique receipt. Price is exactly $0.01 USDC on Base via x402. No API key and no RPC method. GET /ping returns the same snapshot. Use it as a chain read or as the cheap call that proves an x402 client can pay.

Free public-domain books on "South African War, 1899-1902": the catalogue's works tagged with that Library of Congress subject (104 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct download links. Add words to narrow. Re-verified daily. $0.01 per page of 20.

Company Intelligence and vendor due-diligence for agents: submit a company and website plus an optional research objective; AveDaris chooses a bounded fulfillment route and AUN returns structured public evidence, semantic facts, provenance, sources, and explicit limitations in one purchase.

Deterministic FinTech, B2B invoicing, and accounting domain SEO, Core Web Vitals, JSON-LD SoftwareApplication schema & WCAG 2.1 AA audit ($0.05 USDC on Base Mainnet).