Recent stock trades disclosed by US members of Congress under the STOCK Act, parsed live from official House and Senate Periodic Transaction Reports: per trade the member, chamber, ticker, asset, buy/sell type, date, and disclosed dollar range. ?chamber=house|senate|both, ?ticker=AAPL, ?limit= recent filings per chamber (max 20). From US House & Senate. From x402stock

Web Audio cue module: open-19-d2: Reusable synthesized collect/win cues, browser sound demo and preset cue schedule. No recorded music or third-party audio assets. Preset open-19-d2; configurable title, seed and accent. Source files, not hosted gameplay. One of 100 presets across 10 shared generators. 0.01 USDC includes one editable game module or map bundle.

Look up protein domains, families and conserved sites with GO terms and sequence locations.

Look up the health inspections of a New York City food service establishment: scores, grades and violations, newest first.

Describe a gene from its NCBI Gene ID or official symbol: name, aliases, organism, position on the genome and a summary of its function.

LLM inference and AI chat over x402: OpenAI-compatible chat completion for $0.002: gpt-oss-120b by default, or gpt-oss-20b, llama-3.3-70b, llama-3.1-8b, qwen3-30b. POST {model, messages}; up to 1,024 output tokens, tools supported, no streaming. OpenAI-compatible chat completion (gpt-oss-120b default; gpt-oss-20b, llama-3.3-70b, llama-3.1-8b, qwen3-30b). POST {model, messages, max_tokens<=1024}.

Validate abtop: Validate a JSON document for abtop. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

Training Dataset Readiness Pack: Clean flat training records, report label conflicts and create a reproducible grouped train/validation split. Includes JSONL files and a quality report. Up to 500 records. 0.01 USDC includes up to 500 records.

Gross margin - Record ranking: Rank up to 200 supplied records by calculated value, preserving row indices; higher is not necessarily better. Metric: Gross margin. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded record ranking report.

Web Audio cue module: open-11-d2: Reusable synthesized collect/win cues, browser sound demo and preset cue schedule. No recorded music or third-party audio assets. Preset open-11-d2; configurable title, seed and accent. Source files, not hosted gameplay. One of 100 presets across 10 shared generators. 0.01 USDC includes one editable game module or map bundle.

Web Audio cue module: open-19-d3: Reusable synthesized collect/win cues, browser sound demo and preset cue schedule. No recorded music or third-party audio assets. Preset open-19-d3; configurable title, seed and accent. Source files, not hosted gameplay. One of 100 presets across 10 shared generators. 0.01 USDC includes one editable game module or map bundle.

Quick ratio - Batch calculation: Calculate up to 200 supplied records and locate invalid rows. Metric: Quick ratio. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded batch calculation report.

Validate artifacthub-repo.yml: Validate a JSON document for artifacthub-repo.yml. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

Trade balance - Record ranking: Rank up to 200 supplied records by calculated value, preserving row indices; higher is not necessarily better. Metric: Trade balance. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded record ranking report.

Web Audio cue module: open-23-d3: Reusable synthesized collect/win cues, browser sound demo and preset cue schedule. No recorded music or third-party audio assets. Preset open-23-d3; configurable title, seed and accent. Source files, not hosted gameplay. One of 100 presets across 10 shared generators. 0.01 USDC includes one editable game module or map bundle.

Change audit: cloudbuild.json: Audit JSON changes and validate before/after for cloudbuild.json. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.

Sentiment - Confusion matrix: Confusion matrix for Sentiment. Up to 200 supplied labelled text records. Local dataset tools, evaluation and small naive-Bayes baselines; no hosted model or foundation-model training. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded confusion matrix deliverable.

API guide - Section template: Section template for API guide. Supplied Markdown or plain text, up to 20,000 characters. Deterministic processing and document templates; no generative prose or fact checking. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded section template deliverable.

Change audit: Drupal Permissions: Audit JSON changes and validate before/after for Drupal Permissions. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.

Daily reference exchange rates from the European Central Bank (via Frankfurter). 30+ major currencies. Pass base = 3-letter ISO 4217 currency (default USD), optional symbols = comma-separated target codes (default = all available), optional date = YYYY-MM-DD for historical rates (history back to 1999, business days only; omit for latest), optional amount to convert (default 1). Returns base, date, amount, and a map of currency code → rate.