# DotLake API | PubFi Discovery

> DotLake API is tracked as a Polkadot on-chain-state and governance source. It provides REST access to pre-aggregated ecosystem metrics for Polkadot, Kusama, Westend, Paseo, parachains, and solo Substrate chains without claiming PubFi gateway availability.

Source: Discovery catalog fixtures consumed by the public Discovery routes.
Format: text/markdown; charset=utf-8
Inclusion gate: source.isIndexable is true; draft/noindex records are not emitted as markdown detail pages.
Canonical SEO rule: the HTML detail page is the canonical SEO URL; this Markdown route is an agent-readable mirror.
Agent availability rule: raw claim-safe status is preserved for provenance, but actionability uses effective agent availability. Degraded pages require revalidation even when the raw status names a gateway, x402, or MCP surface.

Canonical HTML URL: https://pubfi.ai/discovery/api/dotlake-api
Markdown URL: https://pubfi.ai/discovery/api/dotlake-api.md
Title: DotLake API | PubFi Discovery
Provider: Parity Data
One-liner: Official Polkadot, Kusama, and Substrate REST API for pre-aggregated ecosystem metrics.
Long description: DotLake API is tracked as a Polkadot on-chain-state and governance source. It provides REST access to pre-aggregated ecosystem metrics for Polkadot, Kusama, Westend, Paseo, parachains, and solo Substrate chains without claiming PubFi gateway availability.
SEO description: DotLake API is an official Polkadot and Substrate REST data source for aggregated ecosystem metrics, with API-key access labeled clearly.
Public status: current
Directory status: indexed only
Raw claim-safe status: public_source_profile (Public source profile)
Raw claim-safe CTA: Compare sources
Effective agent availability: public_source_profile (Public source profile)
Effective agent CTA: Compare sources
Agent actionability: not actionable
Agent availability reason: The raw claim-safe status is not a current callable or tooling status.
PubFi gateway readiness: not_routeable (PubFi gateway not routeable yet)
PubFi gateway summary: This Discovery source is available for source evaluation and comparison, but PubFi does not publish a production-callable gateway route for it yet. Use this page to compare the provider, signal demand, or start a procurement/integration review instead of attempting a PubFi gateway call.
PubFi gateway guidance:
- Do not infer a PubFi gateway path from this Discovery page.
- Use the official provider docs for direct provider integration until a PubFi readiness entry marks this source gateway_available.
- Use the Discovery request or demand-signal CTA to register integration interest with PubFi.
- Supplier procurement, paid-plan approval, and upstream credential setup require explicit review before PubFi can route the source.
PubFi gateway route examples: none
Primary keyword: dotlake api
Keyword cluster: best_api
Primary chain: polkadot
Primary category: on-chain-state
Page tier: tier_2
Official site URL: https://api.data.parity.io/
Last verified: 2026-06-04T08:01:26Z
Guardrail: Claim-safe statuses distinguish source profiles, evaluation-only pages, requested integrations, and available gateway/tooling surfaces without exposing paid procurement, approval, or provider-fetching flows.
Data types: daily_metrics, monthly_metrics, governance_metrics, staking_metrics, treasury_metrics, xcm_metrics, account_metrics, contract_metrics
Protocols: rest
Auth methods: api key, web3 signature
REST support: yes
GraphQL support: not listed
WebSocket support: not listed
Streaming support: not listed
Webhook support: not listed
Pricing model: The official OpenAPI description requires a DotLake API key and wallet sign-in, while public price and quota details are not listed.
Commercial status: login_required (Wallet sign-in required for API-key access)
Free tier: The official OpenAPI description requires a DotLake API key and wallet sign-in, while public price and quota details are not listed.
Starting price: The official OpenAPI description requires a DotLake API key and wallet sign-in, while public price and quota details are not listed.
Pricing URL: The official OpenAPI description requires a DotLake API key and wallet sign-in, while public price and quota details are not listed.; commercial docs https://api.data.parity.io/openapi.json, commercial docs https://forum.polkadot.network/t/dotlake-api-publicly-available/16919
Free rate limit: The official OpenAPI description requires a DotLake API key and wallet sign-in, while public price and quota details are not listed.
Paid rate limit: The official OpenAPI description requires a DotLake API key and wallet sign-in, while public price and quota details are not listed.
Feature flags: none
Status page: not listed
Has SDK: not listed
SDK languages: none
Documentation URL: https://api.data.parity.io/docs
Documentation quality score: not listed
Reviewed at: 2026-06-04T08:01:26Z
Signed off at: 2026-06-04T08:01:26Z
Demand signals: on-chain state source coverage (unproven), governance source coverage (unproven)
Category hubs: On-chain state https://pubfi.ai/discovery/category/on-chain-state, Governance https://pubfi.ai/discovery/category/governance
Chain hubs: Polkadot https://pubfi.ai/discovery/chain/polkadot
Official source links:
- Official site: https://api.data.parity.io/
- Provider docs: https://api.data.parity.io/docs
- DotLake official OpenAPI documentation: https://api.data.parity.io/openapi.json
- DotLake public availability announcement: https://forum.polkadot.network/t/dotlake-api-publicly-available/16919
- PubFi status: fixtures/discovery/public_directory.json#dotlake-api
Alternative APIs:
- Subscan API: https://pubfi.ai/discovery/api/subscan (raw gateway_available; effective needs_reverification; detail public/markdown-exported)
- SubSquid: https://pubfi.ai/discovery/api/subsquid (raw public_source_profile; effective public_source_profile; detail public/featured-export)
- SubQuery Network: https://pubfi.ai/discovery/api/subquery (raw public_source_profile; effective public_source_profile; detail public/featured-export)
- Polkassembly: https://pubfi.ai/discovery/api/polkassembly (raw public_source_profile; effective public_source_profile; detail public/featured-export)
- OnFinality: https://pubfi.ai/discovery/api/onfinality (raw public_source_profile; effective needs_reverification; detail public/markdown-exported)
Key facts:
- Primary query: dotlake api (source https://api.data.parity.io/docs)
- Primary coverage: Polkadot, Kusama, Westend, Paseo, parachain, and solo Substrate ecosystem metrics (source https://forum.polkadot.network/t/dotlake-api-publicly-available/16919)
- Endpoint families: OpenAPI lists account, contract, coretime, governance, reliability, revenue, staking, summary, transaction, treasury, validator, and XCM metrics. (source https://api.data.parity.io/openapi.json)
- Auth model: All endpoints require a DotLake API key used as a Bearer token after wallet-based registration. (source https://api.data.parity.io/openapi.json)
- Freshness note: The Polkadot forum announcement describes daily updates for the API data coverage. (source https://forum.polkadot.network/t/dotlake-api-publicly-available/16919)
- Commercial fact: No public price, quota, or rate-limit schedule is listed in the OpenAPI description; users must sign in with a Polkadot wallet to obtain an API key. (source https://api.data.parity.io/openapi.json)
- PubFi status: PubFi Discovery tracks DotLake API as a public source profile; PubFi does not expose a production DotLake gateway route in the current gateway readiness catalog. (source fixtures/discovery/public_directory.json#dotlake-api)
Best for candidates:
- Pre-aggregated Polkadot ecosystem metrics
- Governance, staking, treasury, and XCM analytics workflows
- Backend dashboards that can store an API key server-side
Not ideal for candidates:
- Anonymous browser-only client calls
- Low-level block, account, or extrinsic exploration that needs raw event granularity
- Generic EVM RPC workloads
Use case candidates:
- Build Polkadot ecosystem health dashboards from daily and monthly metrics
- Track OpenGov, treasury, staking, and validator metrics without running a custom indexer
- Compare official aggregated metrics against explorer-style or custom-indexing sources
Implementation note metadata:
- auth severity medium
- coverage severity medium
- freshness severity medium
Quick start metadata: style rest; language http; method GET; path https://api.data.parity.io/api/daily-summary?relay_chain=polkadot; requires auth yes
Capabilities:
- DotLake API on-chain ecosystem metrics coverage: requested; auth api_key; procurement free_requires_auth; coverage polkadot, kusama, substrate; outputs chain_metric_timeseries (relay_chain, chain, metric_name, date_or_period, captured_at)
- DotLake API governance metrics coverage: requested; auth api_key; procurement free_requires_auth; coverage polkadot, kusama, substrate; outputs governance_metric_timeseries (relay_chain, metric_name, period, value, captured_at)