All projects on Base matching “usdc”

Verify payment connectivity with USDC on Base. Returns a JSON pong and UTC timestamp after settlement.

ZenSched `timesheet_status` — Shift-pair timesheet status for a period: complete/open, hours, GPS, approval/lock flags, pending edits. period: YYYY-MM, YYYY-MM-DD:YYYY-MM-DD, current (payroll window), or blank (calendar month). Optional worker_id, worker_ids_json, event_id. level: 0/1/2 vendor approval level (default 0 = approved_0). Pay-per-call $0.01 USDC; the paying wallet owns the org (auto-pr

BunnVault: Real-time Aave v3 USDC APY feed on Base Mainnet

MioDio Meridian Aave v3 risk card for an EVM address: health factor, collateral, debt and liquidation distance (~$0.005 USDC Exact on Base). Use before acting on an EVM address to read its Aave v3 health factor, collateral and debt. Errors: 400 invalid_address or unsupported_chain (chain must be base or ethereum), 402 payment required, failed upstream reads return 200 with status partial/error (un

Market-level summary of the x402 agent economy from the full Bazaar catalogue: total services and endpoints, 30-day paid calls, estimated USDC volume, demand by category, network mix and the top 15 services. Testnet and self-test listings are excluded. Use this for the big picture in one call; for a full ranked list use x402-services, to find a specific API use x402-search.

Verify an x402 purchase before an AI agent signs. Validate the live HTTP 402 challenge, Base network, USDC asset, quoted price, recipient, price ceiling, buyer funding, optional gas reserve, and destination hazards, then receive a machine-readable safe-to-sign, fund, review, or reject decision. No account or API key.

Did this Solana payment really arrive? Verifies that a finalized mainnet transaction credited the exact amount of a token to the payee. Signed VERIFIED, REFUTED, UNCONFIRMED or NOT_FOUND with a per field breakdown. $0.01 in USDC on Base. Free preview: GET /settle/preview

Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. When to use: cheap agent glue / probe steps for buyer-supplied text. Returns JSON for $0.01 per call in USDC on Base via x402. No API key. Local-fast NLP; no login scrape. Success JSON includes next_tasks hints for same-session follow-ups.

Before your agent negotiates or shares data with another agent, make both prove they qualify. Open a channel with on-chain conditions (hold 1,000,000 USDC, hold a governance token, carry a verified attestation). Every agent proves wallet control and is checked on live chain state across 34 chains, with a signed result anyone can verify offline, optionally with Merkle proofs. Re-check on demand; wh

Profile a Base address in one call instead of four to six lookups. Returns contract or externally owned plus code size, proxy detection across all seven slot layouts including the legacy OpenZeppelin slot Base USDC uses, the resolved implementation, ERC-165 and behavioural ERC-20 detection, token metadata, requested ERC-20 balances, and denylist hits. Answers unknown rather than guessing, and null

Episode 1 of recipients[], an ongoing AI-agent thriller serial: a short text episode (~370 words, markdown). An agent finds its own ID on a payment recipient list before the file even exists. $0.01 USDC on Base. Free teaser at /teaser.

Deep verify. Use when a claim is high-stakes, or when Check answer or Extract claims marks it unsure (next_step). Checks it against Wikipedia, Wikidata, Google News, Europe PMC studies, FRED economic data and SEC EDGAR filings, and flags contradiction when sources disagree. Async: returns a job_id; poll GET /v1/jobs/{id} free for verdict, evidence for and against, citations. $0.75 USDC.

Signed settlement attestation: we make a REAL x402 purchase from your target endpoint (up to $0.1), grade the delivered response against its advertised schema, and return an EIP-191-signed attestation embedding the on-chain USDC receipt. Proof-of-real-delivery for directories, reputation systems and sellers.

Regulatory + legal signals: Typed, citable signals extracted weekly from the East African legal record — official notices, bills in progress, trade-standard notifications and import-rejection alerts — keyed to the same country + commodity vocabulary as the price and news layers. Up to 100 rows per call, $0.10 USDC. Filters: source, jurisdiction, country, commodity, regulation_type, instrument_type

Is a vendor down right now? Current outage status for one SaaS vendor. $0.01 USDC on Base per call. Returns status, active-incident summary, last-checked time, source URL and freshness fields, read live from PulseWatch. Unknown vendors return 404, not charged. Don't use this for past incidents; use /v1/incidents.

Pay a tiny amount of USDC and receive one delightfully useless fact.

Agent intents: verify signup email · is disposable? · check DMARC before outreach · role-account risk. One call returns syntax, MX, SPF, DKIM, DMARC, disposable, role, provider, score 0-100, light domain enrichment, and recommend accept|challenge|reject with reasons. Production 0.10 USDC; demo free rate-limited. x402 on Base for AI agents.

Eagle Eye v1.0.0 — U.S. enterprise-grade wallet compliance screening. OFAC SDN + Circle USDC blacklist on Base. Signed audit receipts. Certified single-address check.

PhoneAgent — countries with rentable SMS phone numbers for AI agents. Returns 190+ supported countries, each with the number of services offered and the cheapest price tier ($1, $2, or $5 USDC). Add ?service=<alias> (e.g. tg, wa, go, zo for OpenAI, other for any platform) to see which countries carry that service with live price and inventory pool. Companion route GET /services lists all 1,000+ se

What a seller's payTo address earned from x402 payments on Base in the last days, read from the chain: total, distinct and repeat payers, per day, per price, top payers and recent payments, with plain USDC transfers counted apart and your own test wallets left out on request. Includes the seller's Bazaar listings with their payers, calls and measured uptime.

Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.15 USDC on Base for a batch of up to 100 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs.

ETH/USD spot via AgentKit x402 — $0.001 USDC

Verify an on-chain payment without trusting any RPC: did this tx transfer at least this amount of a token (default USDC) to this payee, optionally from this payer? Proven by Plumb (Base via proof-backed L1 checkpoints, Ethereum via a light client, XRP Ledger via a quorum of Ripple's validator…

SCDO GPU Share - 1 GPU task credit (~30 s slot, llama_cpp/blender_render; K=2 verified); failed task -> credit refund. 0.56 USDC on Base, cost-plus priced by an SCDO AI Ledger agent (9Y9 PTY LTD, Australia).

Latest COMPLETE US spot BTC ETF daily print (Farside). Per-call USDC.

Flip a coin for a small USDC payment on Base mainnet. Returns heads or tails.

SEO and marketing analytics agent for AI search visibility (AEO/GEO/SEO). Not a deterministic checker: each 0.05 USDC call runs live research and returns a written, prioritised plan for your site, with schema and llms.txt drafts, and remembers your site across calls. Get cited by ChatGPT, Perplexity, Claude and Google AI Overviews.

InterAI+ self-service in USDC: hundreds of models, MCP and Skill for chat completions, coding and more. Pick a model from the catalog or let the service pick one for you. Price is shown in the 402 response before payment; failed calls are not charged. Free: GET /v1/catalog, GET /v1/quote, GET /v1/coming, GET /v1/autonomous-agents. Register interest ahead of time with POST /v1/register-interest. Co

Wallet address risk screen before you pay or accept funds: OFAC SDN crypto addresses, Circle USDC blacklist (Base, Ethereum) and Tether USDT blacklist (Ethereum) read live on-chain, plus public labels for Tornado Cash (mixer, OFAC-delisted 2025) and ~7,400 exploit, heist and phishing addresses. Returns block, high_risk, elevated or no_known_risk with reasons and sources. Exact match only, no expos

OpenAI-compatible chat completion. Pay per request in USDC via x402: no signup, no API keys. Price scales with prompt size and max_tokens.