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Curated shelf: Young men -- Fiction — 11 public-domain books including Great Expectations, David Copperfield, A Portrait of the Artist as a Young Man. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Space ships -- Fiction — 192 public-domain books including The Misplaced Battleship, Plague Ship, From the Earth to the moon; and, round the moon. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Romance — 2252 public-domain books including Pride and Prejudice, Romeo and Juliet, A Room with a View. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Social classes -- Fiction — 9 public-domain books including Pride and Prejudice, Sense and Sensibility, The Prince and the Pauper. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Sociology — 729 public-domain books including The Kama Sutra of Vatsyayana Translated From the Sanscrit in Seven Parts With Preface, Introduction and Concluding Remarks, Anarchism and Other Essays. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Teaching & Education — 1124 public-domain books including A Treatise on Domestic Economy; For the Use of Young Ladies at Home and at School, Children's Literature A Textbook of Sources for Teachers and Teacher-Training Classes, Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

USD Coin

USD Coin

Canonical token addresses and metadata per chain

Bullish/bearish sentiment score per token

Curated shelf: Bildungsromans — 215 public-domain books including Middlemarch, Jane Eyre: An Autobiography, Little Women; Or, Meg, Jo, Beth, and Amy. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Christmas stories — 210 public-domain books including A Christmas Carol in Prose; Being a Ghost Story of Christmas, A Budget of Christmas Tales by Charles Dickens and Others, Patty's Success. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Christmas — 139 public-domain books including The Camp Fire Girls Solve a Mystery; Or, The Christmas Adventure at Carver House, A Christmas Carol in Prose; Being a Ghost Story of Christmas, Christmas: Its Origin and Associations Together with Its Historical Events and Festive Celebrations During Nineteen Centuries. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Get the firm quote for a swap using Allowance Holder to set allowances

Get the indicative price for a swap using Allowance Holder to set allowances

Generates evaluation test cases for agent systems.

Retrieves content stored on a distributed network using a content identifier hash.

Hospital capital-expenditure jump signals from CMS cost reports (Worksheet A-7): hospitals whose major movable equipment purchases hit at least $1M and at least 2x the prior fiscal year — an observational marker that a hospital reported a step-up in equipment spend. Answers: which hospitals just bought equipment? Includes purchase dollars by asset class and the prior-year comparison. Filter by state, min_amount (movable-equipment dollars), since; keyset cursor pagination.

Provider change-event feed over 7 federal sources: new NPI enumerations, newly billing Medicare, enrollment pending, address changes, deactivations, CLIA lab certificates, ownership changes (CHOW), mammography facility cert changes, and hospital capex jumps. Answers: what changed in my territory since I last looked? Filter by type (comma-separated), state, since (YYYY-MM-DD), npi, ccn; page via next_cursor (keyset). 85k+ events, refreshed twice-weekly to quarterly by source.

Curated crypto news digest with AI-powered fake-news scoring. Aggregates latest headlines from multiple sources, deduplicates, and scores each item for reliability (0-100) with sentiment (bullish/bearish/neutral). Ideal for morning briefings, market monitoring, and news-driven trading agents.

Fast honeypot risk screening for any token contract before trading. Analyzes buy/sell transaction imbalance patterns and liquidity-volume anomalies from DEX data to flag tokens where holders appear unable to sell. Returns a verdict (clean / suspicious / likely_honeypot) with reasons. Supports EVM chains and Solana. Designed for pre-trade safety checks by trading agents.

Curated crypto news digest with AI-powered fake-news scoring. Aggregates latest headlines from multiple sources, deduplicates, and scores each item for reliability (0-100) with sentiment (bullish/bearish/neutral). Ideal for morning briefings, market monitoring, and news-driven trading agents.

Get the firm quote for a swap using Allowance Holder to set allowances

Curated shelf: Children & Young Adult Reading — 6345 public-domain books including Alice's Adventures in Wonderland, Little Women; Or, Meg, Jo, Beth, and Amy, The Camp Fire Girls Solve a Mystery; Or, The Christmas Adventure at Carver House. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.