{"id":"82874e2d-a16b-48b8-8b14-8462396b0a95","shortId":"YFTj4Y","kind":"x402","title":"Look up Python packages on PyPI by name with variant matching, paid via x402 micropayment.","tagline":"Look up Python packages on PyPI by name with variant matching, paid via x402 micropayment.","description":"The `/scout/pypi` endpoint is part of the Scout Multi-source Intelligence API hosted at scout.hugen.tokyo. It searches the Python Package Index (PyPI) by package name, automatically trying multiple name variants (hyphenated, underscored, with py- prefix) to maximize match likelihood. Results include package version, summary, license, and links.\n\nThis endpoint is one of 19+ source-specific search endpoints offered by Scout, which also covers GitHub, npm, Hacker News, arXiv, Semantic Scholar, Stack Overflow, X/Twitter, Product Hunt, and more. The PyPI endpoint accepts a required `q` query parameter for the package name and an optional `per_page` parameter (1–20, default 5). It costs $0.005–$0.01 per call, payable in USDC on Base via the x402 protocol. Alternative access methods include a broker API key (with $0.05 free credit), an MCP server at mcp.hugen.tokyo, or the `x402-pay` Python SDK.\n\nThe endpoint is live and returns a 402 payment challenge with a sample response showing package name, version, and summary. The OpenAPI spec is comprehensive, covering all Scout endpoints with parameter schemas, descriptions, and documented response codes (200, 402, 502).","tags":[],"capabilities":["pypi-package-search","name-variant-matching","package-metadata-lookup","x402-micropayment","usdc-base-settlement"],"categories":["search","dev-tools"],"synonyms":["PyPI search","Python package lookup","pip package search","Python library search","PyPI API","package registry search","Python package metadata"],"warnings":["No /docs or /README endpoint available — all documentation comes from the OpenAPI spec only.","The 402 challenge shows $0.01 but the OpenAPI description says $0.005 — actual price may vary.","Response body schema is not formally defined in the OpenAPI spec; only a text description is provided."],"endpointUrl":"https://scout.hugen.tokyo/scout/pypi","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"},"payTo":"4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z","amount":"5000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}]},"qualityScore":"0.780","qualityRationale":"Full OpenAPI schema with parameter details, live 402 challenge with sample response data, and multiple documented access methods. Docked slightly because no dedicated docs page exists, response schema is not formally specified, and the sample response in the challenge is 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install x402-pay)\nimport x402_pay\n\nresult = x402_pay.get('https://scout.hugen.tokyo/scout/pypi?q=fastapi&per_page=5')\nprint(result.json())","exampleRequest":{"url":"https://scout.hugen.tokyo/scout/pypi?q=fastapi&per_page=5","method":"GET"},"exampleResponse":{"count":1,"query":"fastapi","source":"pypi","results":[{"name":"fastapi","summary":"FastAPI framework","version":"0.115.0"}]},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint searches PyPI packages by name with multiple name variants (hyphenated, underscored, py- prefix)","source_url":"https://scout.hugen.tokyo"},{"claim":"Accepts q (required) and per_page (1-20, default 5) query parameters","source_url":"https://scout.hugen.tokyo"},{"claim":"Payment required is $0.005 per the OpenAPI spec","source_url":"https://scout.hugen.tokyo"},{"claim":"402 challenge shows $0.01 USDC on Base with sample response","source_url":"https://scout.hugen.tokyo/scout/pypi"},{"claim":"Scout API covers 19+ platforms including Reddit, Hacker News, GitHub, Stack Overflow, arXiv, npm, PyPI, X/Twitter, YouTube, Product Hunt, and more","source_url":"https://scout.hugen.tokyo"},{"claim":"Alternative access via broker API key, MCP server, or x402-pay Python SDK","source_url":"https://scout.hugen.tokyo/scout/pypi"}],"useCases":["AI agents discovering Python dependencies before generating code","Automated dependency auditing by looking up package metadata and licenses","Programmatic package discovery for build tools or CI/CD pipelines","Comparing Python packages by version, summary, and license info","Integrating PyPI search into multi-source intelligence reports"],"bestFor":["AI agents that need programmatic PyPI lookups without scraping","Developers wanting pay-per-call PyPI search without API keys or rate limits","Multi-source research workflows that include Python ecosystem data"],"notFor":["Bulk downloading or mirroring PyPI package files","Searching for packages across non-Python ecosystems (use /scout/npm for Node)","Free-tier usage — every call requires a micropayment"],"kindDetails":{},"updatedAt":"2026-04-22T01:18:21.924Z"}}