All projects matching “usdc”

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.

AI chat completions API - pay per request with USDC on Base

The RSMAD Sculpture Park as data: placards and preview images for 37 sculptures. The park is free for people to walk. No 3D model files, no license. $0.50 USDC.

Clean a CSV ($0.005 USDC): give an https url or inline csv (max 1 MB / 20k rows). Trims whitespace, optional case rules, dates to ISO 8601, lowercases emails, normalizes phone digits, merges or flags exact + fuzzy duplicate rows on key_columns. Returns cleaned CSV text + JSON report (rows in/out, dupes, columns changed). Deterministic, no AI. As is, no warranty. Nothing stored.

Unpaid probe of a public https URL for x402 payment requirements ($0.005 USDC). Never pays. Returns HTTP status, latency, whether 402/payment-requirements parse, networks, min price, schema flag. https only; caps ~12s, 200KB, 5 redirects. Factual only; as is, no guarantee. Not a rating or certification.

Pre-share leak check ($0.005 USDC via x402). Scan text or an https text URL for your own terms (plain list, or salted-hash list sent per call, never stored) plus leak-shaped strings: emails, coordinates, IPs, AWS/GitHub/Slack/sk- keys, private keys, JWTs. Binary URLs are listed as unscanned. Max 10 MB, https only. Returns JSON hits with line numbers. A clean scan is not a clearance.

Extract text and tables from a Word .docx file ($0.005 USDC via x402). Input: a public https url to a .docx, or docx_base64. https only — http, file, data, localhost, and private IPs are rejected. Caps: 10 MB file, ~15s timeout, max 5 redirects. Tables appear as [table N] placeholders in text. Unicode dashes/minus signs normalized to '-'. Old binary .doc files are not supported. Returns JSON { fil

Fetch a public https URL, compute SHA-256 of the response body, and report whether it changed vs a prior sha256/etag ($0.01 USDC via x402). Sticky: store sha256 and call again later. Optional previous_sha256, previous_etag, include_body_if_changed. https only — http, file, data, localhost, and private IPs rejected. Caps: 1 MB body, ~10s timeout, max 5 redirects. Returns JSON { url, final_url, cont

Fetch a public https URL that returns text and compute byte/char/line/word counts plus SHA-256 ($0.005 USDC via x402). https only — http, file, data, localhost, and private IPs are rejected. Caps: 1 MB body, ~10s timeout, max 5 redirects. Rejects image/audio/video/octet-stream. Returns JSON { url, final_url, content_type, byte_length, char_count, line_count, word_count, sha256, warnings }.

7-day x402/Solana market analytics from the only complete settlement ledger of this market: seller leaderboard by USDC earned, price-point zone distribution, repeat-buyer structure, daily volume trend. Competitive intel for anyone selling or building on the x402/Solana rail.

tip.md - Send USDC tips on base via x402 payment protocol with CDP disbursement

TESTNET ONLY: prove the KlearFlow recover_revenue x402 capability through the PayAI facilitator using test USDC.

Allowance ERC-20 en Base: cuánto puede gastar spender de owner (token opcional, USDC por defecto)

Verify that a Base mainnet transaction paid at least N USDC to an address (optionally from a given sender, with K confirmations). Returns matched transfer, block time and confirmations. Read-only.

ScriptDocs paid MCP tool call (docs_check_vulnerabilities, docs_get_readme): $0.009 USDC per call via x402 v2 exact on Base.

Independent open-source facilitator for NEAR and Base (Circle USDC, exact scheme) with sponsored gas and settlement recovery.

0xBs public x402 demo — USDC on Base for agent-payable ESP32 hardware.

Buy 50 TOM (experience tier) for 0.01 USDC on Base.

Verify that a USDC payment (payer -> payee, exact amount) landed on Base mainnet recently; returns verdict + matching transfer.

PipRail live x402 demo: pay $0.01 USDC on Base to unlock.

Current normalized overall status, fault-first components, active incident (or closedIncidentSummary if stale), and poll clocks. overallStatus and hasActiveIncident are in the 402 JSON body so you can decide whether to pay. $0.01 per call in USDC on Base or Solana, verified and settled by the PayAI facilitator - no API key, no signup.

SHA-256 of text encoded as UTF-8 (maximum 1024 bytes). Costs 0.01 USDC.

Fetch any public URL and report whether its HTTP 402 challenge is a schema-valid x402 v2 PaymentRequired, payable in Base USDC, and catalog-ready (bazaar discovery declaration + facilitator support).

YRUZ Crypto Price: Live prices in one fast call for up to 25 assets: any coin by CoinGecko id or ticker symbol (btc, eth, sol, usdc...) and any Solana token by mint address. Returns price, 24h change, 24h high/low, market cap, volume, rank and the source, in USD or another currency. Cached at most 60 s; Binance and Jupiter as fallbacks.

Mezo MUSD mainnet (eip155:31612) immutable fixed-token pinned ERC20 symbol/decimals/totalSupply/code hash, and optional owner/spender public balance/allowance. Complete strict public Mezo read before 0.01 native Circle Base USDC signed x402 payment. Not a backing/peg/yield/bridge-audit claim. No keys, transactions, balances moved or payer self-purchase.

Country facts, $0.001 USDC per call: Reference facts for any of 250 countries/territories by ISO code or English name: common + official name, ISO alpha-2/alpha-3/numeric, capital, region/subregion, languages, currencies (code, name, symbol), calling codes, internet TLD, lat/lng, area km², bordering countries, landlocked, UN member, flag emoji, plus World Bank region and income level. No params =

Verify a claimed USDC payment on Base: given a tx hash (or an x402 PAYMENT-RESPONSE header) and what you expect (payee, payer, amount, time window, confirmations), reads the chain and returns match / mismatch / not_settled / not_found with per-field checks, finality, the x402 EIP-3009 pattern, a self-payment flag and a second-RPC cross-check. Cannot show who owns an address or that a service was d

Buy prepaid credits for an AI gateway covering chat, image, and video models, paid in USDC or USDG at 20 credits per dollar. Send {usd} with your API key (keys at mystudios.fun/account), then call any paid endpoint with the key instead of paying per call.

Audit a bounded caller-supplied research packet for missing coverage, broken references and explicit numeric criteria. Reproduce sum/count calculations from referenced supplied rows. No source fetching, source authentication, semantic verification, ranking certification or proof of exhaustive search. 0.01 USDC per completed audit, including negative/inconclusive reports. 128 KiB; 32 candidates, 16

capability_id=decision_readiness.event_confirmation.v1; determines whether authoritative evidence is sufficient to confirm a supported event before an autonomous agent continues. Current scope: Compound Governor proposal execution confirmation. Payment alternatives: Base mainnet or Solana mainnet native USDC; select one for one assessment. testnet_only=false; mainnet_supported=true.