All projects matching “usdc”

Autonomous e-commerce media generator: polish a product image URL into a studio catalog photo. Freemium then 0.50/1.50 USDC on Base. Ethical Exclusion applies.

Use for source-backed Item 1A risk-disclosure changes for one issuer. Pass exactly one ticker or CIK; optionally filter by materiality (HIGH, MEDIUM, LOW) and classification. A successful nonempty request returns all matching RELEASE signals from the latest eligible frozen comparison in Signal Foundry, not necessarily the issuer's latest SEC filing. $0.05 USDC per request, not per signal.

Pay $0.01 USDC to create a leaderboard or add, update, or delete one entry. Use a secret leaderboard_key UUID to continue writing to the same board. If value is null, the named entry is deleted. Public pages stay free at GET /leaderboard/{slug}. Network: Base Mainnet. Each request writes one named score and returns the board key and URLs.

Pay $0.01 USDC as a small donation or a simple live x402 integration test. Optional name and message are stored publicly and shown on GET /donations. Network: Base Mainnet. Each request records one donation and returns public feed links.

Pay $0.01 USDC to store up to 100 KB of text or code. Returns a token for free retrieval anytime via GET /paste/{token}. Network: Base Mainnet. Each request stores one text or code blob and returns a retrieval token, making it useful for notes, code snippets, logs, and debug-output sharing.

65000 TRON energy for USDT (TRC-20) transfers, 1h rental, delivered to the TRON address in the quote. Pay in USDC on Base.

Agent-Cron-Service: schedules a recurring trigger (crontab expression, timezone-aware) delivered to a verified webhook or email, paid per trigger in USDC. POST the job definition; the 402 quotes the exact price.

Read one public https business site: name, offerings, hours, address/phone (markup or tel: only), contact/booking links, email_present (emails never returned), robots AI rules as written, llms.txt, info-only readiness score. As is; not advice or verification. $0.005 USDC x402. Max 3 requests.

Keyword-route a natural-language need to the best Rainmaker well ($0.005 USDC via x402). Returns well id, origin, tool, price_usd, mcp URL, and why. After recommend, open that origin's /mcp directly — gateway does not proxy (avoids double-charge). Free alternative: list-wells.

Real-time risk-weighted USDC lending APY on Base: Aave/Compound/Morpho read onchain, Moonwell/Euler/Fluid via DefiLlama, source tagged per reading (never estimated). EIP-712 signed by the payment-receiving address (see X-Signal-* headers), which also holds an ERC-8004 identity and attests readings on-chain via EAS. Verified per-asset accuracy is free at /accuracy.json; raw on-chain attestations at

Pay $0.01 USDC to create an immutable timestamped statement. The server assigns recorded_at in UTC. Statements are public, permanent, and cannot be edited. Max body size: 10 KB. Network: Base Mainnet. Each request records one statement and returns public proof URLs.

Send one SMS to a mobile number, paid per message in USDC with x402. Use it when an agent must notify a person by text. The 402 quotes the exact price for the destination and message length. No account and no API key: any wallet that pays sends in one call. An opt-out link is appended to the message, and numbers that opted out are refused. Returns an order; poll GET /v1/orders/{id} for delivery st

AI exam scoring for agents: submit any text and get Accuracy, Compliance, and Engagement scores (0-100), a pass/fail verdict, and a summary. $0.05 USDC per exam. Use when you need independent verification of an agent's output quality before trusting or paying for it.

Recent public municipal notices as clean items with source links ($0.005 USDC). area: buffalo (Buffalo Planning Board/ZBA agendas + Erie County tax-foreclosure auction docs) or chicago (City Council zoning reclassifications). Optional since (YYYY-MM-DD), keyword, kinds, limit. Cached public records; facts only, no advice; as is, no guarantee, inputs not retained; public source pages may be briefly

Paid equivalent of /api/aeo/scan — scanner for AI search visibility (AEO, GEO) and agent readiness. Triple score + AI Identity Card + top issues covering JSON-LD Schema.org, meta tags, llms.txt, robots.txt, sitemap, and agent-discovery signals for ChatGPT, Perplexity, Google AI Overviews, Bing Copilot. $0.01 in USDC (Base or Solana) — Bazaar-indexable variant; the free version at /api/aeo/scan sta

Transform JSON records or CSV uploads with typed schemas and Polars SQL. Filter, aggregate, join and reshape data. Pricing depends on input size and SQL statement count; the 402 response contains the exact USDC amount.

Buy Sepolia ETH with Base or Solana USDC at $0.1 per testnet ETH

Apollo.io Verified B2B Person Enrichment & Work Email Finder ($0.03 USDC on Match — Free on Miss)

Validate and standardize a delivery address: parsing, provider verification (US-optimized), geocoding and a deliverability score, as JSON. 0.02 USDC per call on Base. Useful before shipping to or storing an address.

CitePulse AI v4.0 — Live Server-Side GEO, Schema.org JSON-LD & /llms.txt Readiness Audit ($0.01 USDC on Base).

Prepaid travel eSIM data plans, sold per order for USDC on Base via x402. For agents buying mobile data abroad for a person's phone or tablet. 1433 single-country, regional and global plans, $0.99 to $202.99 depending on the plan picked by launch_sku_id (listed at GET /catalog). Once payment settles on-chain, the eSIM is retrievable with the order's delivery key or claim secret. This generic chall

Paid (x402, USDC on Base). Fit isotonic calibration on YOUR labelled outcomes ({p,y} pairs) and recalibrate the given probabilities. Statele

Hello World x402 demo. Returns the JSON greeting {"message":"Hello World"} after a 0.001 USDC payment on Base, settled through the Coinbase x402 facilitator.

Quick ZK Auth v1.0.1 — Semaphore ZK wallet ownership on Base plus USDC balance attestation at snapshot block (not ZK-hidden balance in v1). ERC-8004 bundles with x402 payment binding.

Fetch worship service times for one Reformed church by stable UUID. Only the schedule fields already shown on the public share page, plus name, place, timezone, and language. Base USDC, $0.01 per church.

Generates branded, customer-ready quotes and estimates as hosted PDFs in about one second — line items, tax, discounts, a hosted approval page, a QR code and a Stripe payment link. Pay-per-call with x402 in USDC on Base; no account or API key. THIS ENDPOINT (the flagship): POST line items, get back the quote number, totals, a hosted page the customer can approve or decline, a PDF URL, a QR code, a

Multi-source social+dev data query (dynamic per-request USDC price)

Reproducible Japan Post evidence before an autonomous agent submits a Japanese address. One 0.02 USDC x402 call returns a fail-closed town-level consistency decision, ordered source candidates, source version and SHA-256, explicit limitations, and the next safe input action. It does not claim deliverability, residence, identity, building, or room existence.

Low-cost OpenAI-compatible Responses API inference over Solana USDC x402.

A deterministic Base chain identity and official USDC contract-presence check. No request body. Not a token-risk report, transaction simulation, or payment proof.