Developer Tool

US Core CPI ex food and energy — key Fed inflation target for interest rate decisions — Ed25519 signed attestation

Snapshot of every series, all countries

Israel: CPI inflation (year-on-year) — gazette-cited JSON with last_confirmed and stale.

Certified extract: value + citation + archived-source sha256 + verification chain, Ed25519-signed. Refuses uncharged without evidence

Snapshot of every series, all countries

Canada: Policy Interest Rate — gazette-cited JSON with last_confirmed and stale.

Snapshot of every series, all countries

Snapshot of every series, all countries

Ordinary-least-squares linear regression of y on x: slope, intercept, correlation r and coefficient of determination r². Pass predictAt to also evaluate the fitted line…

Snapshot of every series, all countries

Certified extract: value + citation + archived-source sha256 + verification chain, Ed25519-signed. Refuses uncharged without evidence

Snapshot of every series, all countries

Colombia: Banco de la República tasa de intervención — gazette-cited JSON with last_confirmed and stale.

Snapshot of every series, all countries

X (Twitter) account metadata for any handle (based_in, source app, username-change count, recent-activity proxy). Utility endpoint.

Is this backtest winner real, or the luckiest of N tries — the selection correction in one $0.01 call. Use when your agent has a backtest winner, a research result, or a…

SEC iXBRL financial statements (pre/post-IPO) with derived margins, growth, leverage, and return ratios

Fetch npm package metadata: version, dependencies, downloads, repository, license. Includes weekly download count.

Generate markdown API documentation from an OpenAPI spec or natural language description. Returns documentation with parameters, examples, error codes.

Current WNBA standings with wins, losses, win percentage, and conference rank.

WNBA game schedule for any date — matchups, scores, and game status. Pass a date to find games on a specific day.

Current NHL standings — wins, losses, OT losses, points, and division rank across all 32 teams and 4 divisions.

All 30 MLB teams with ID, city, abbreviation, and division. Use team IDs to query schedules, standings, and players.

MLB game schedule for any date or team — matchups, scores, venues, and status. Filter by date (YYYY-MM-DD) or teamId to find specific games.