Locus public pay-per-use API

Physics paper search on INSPIRE-HEP - title, authors, citation count, arXiv id and DOI for high energy physics and astrophysics literature

PJM zonal spread jump probability. empirical probability card for the evening congestion bar. whenToUse: next on-peak day or trailing congestion-season check. whenNotToUse: month-ahead, season-ahead, Black vol, a price forecast.

Otto X402 Router — Meta Intelligence (GET). ?ask=<what data/service you need>&price_cap_usd=&network= returns the best Otto-verified plus live CDP Bazaar x402 candidates with prices, pay_urls and blunt source labels. Non-custodial discovery; identical to POST. Use POST for a long ask.

BTC and ETH options implied volatility index (Deribit DVOL) - current level, 24h change and regime

BTC and ETH options chain for an expiry - strike, type, implied volatility, open interest and volume

Secure random integer in a range plus random bytes as hex and base64

Use when you need to fix accessibility issues. Get a prioritized WCAG 2.2 remediation plan: semantics, keyboard focus, labels, contrast, motion and errors.

Use when you need to test an AI agent. Get a procedure that turns an agent spec into an evaluation suite: normal, boundary, adversarial, permission and cost cases in safe sandboxes.

Agent planning and task decomposition - goals vs assumptions, dependencies, cost and acceptance tests

Docker container failure resolver - image, command, mounts, user, network and health without losing volumes

SHA-256 hash of any text, plus SHA-1, SHA-512 and MD5 - send text, get the hash digest as hex or base64

Decode a UUID - version, variant, and the embedded timestamp and node for v1, v6 and v7, plus nil and max detection and URN, braced and bare formats

x402 ping health check - a paid round trip that returns server time and a request id

Polygon area in km2, hectares, acres and square miles from lat,lon vertices, plus perimeter, centroid, bounding box and a point-in-polygon test

Reliable browser automation - safe resume, no duplicate submissions and final state verification

Airdrop and claim scam verification - official provenance, contract inspection and simulation

DNS resource records explained - A, AAAA, CNAME and MX records, TTL and MX priority failover

Client software handoff - release artifacts, licenses, deployment docs, credentials boundary and acceptance

Keep API keys and wallet keys out of agent prompts, logs and repos - brokers and short-lived scoped credentials