{"adoption": {"forks": 387, "observed_at": "2026-08-28T04:03:37.444581+00:00", "stars": 1110}, "canonical_url": "https://ross.abutalabs.com/products/polkadot-js-api", "card": {"archived": false, "artifact_type": "library", "description": "Promise and RxJS APIs around Polkadot and Substrate based chains via RPC calls. It is dynamically generated based on what the Substrate runtime provides in terms of metadata.", "domain": ["blockchain", "developer-tools", "apis"], "enriched": true, "function": ["rpc", "http-client", "sdk", "serialization"], "health_score": 94, "homepage": null, "language": "TypeScript", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["polkadot-js/api"], "name": "polkadot-js/api", "platform": ["browser", "cross-platform"], "pushed_at": "2026-07-22T12:27:11+00:00", "repo": "polkadot-js/api", "stars": 1110, "tags": ["polkadot", "substrate", "web3", "rxjs", "jsonrpc", "blockchain-api", "cryptocurrency", "nodejs", "typescript"], "topics": ["jsonrpc", "polkadot", "substrate", "polkadot-js", "api", "web3", "blockchain"], "urls": [], "use_cases": ["query balances and chain state from a Polkadot node", "submit transactions to a Substrate-based chain", "build a dApp frontend that talks to Polkadot", "listen to on-chain events in real time", "interact with any Substrate runtime via dynamically generated types"], "what_it_is": "A TypeScript library providing Promise and RxJS APIs for interacting with Polkadot and Substrate-based blockchain nodes via RPC calls. It dynamically generates its interfaces from the runtime metadata exposed by the connected node.", "when_to_avoid": ["you need a non-JavaScript language client", "you are working with chains that are not Polkadot/Substrate-based", "you only need lightweight raw JSON-RPC calls without type generation"], "when_to_choose": []}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/polkadot-js-api", "repo": "polkadot-js/api", "role": "main", "score": 88}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:03:37.444581+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T06:43:28.087671+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "043219b64fb902fa13d134fd7d3e84ce717b06e777053d0fc7094f1cc9738221", "fetched_at": "2026-08-28T04:03:37.444581+00:00", "kind": "readme", "missing": false, "url": "https://github.com/polkadot-js/api"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 93, "longevity": 100, "rhythm": 76}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3210, "days_push": 42, "days_rel": 163, "gap_med": 7, "n_releases_24m": 46}, "score": 88, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}