Source-backed data infrastructure

Research data.
Ready for scrutiny.

Taiwan, ESG and crypto datasets prepared for serious research, with source, freshness, coverage and limitations attached.

Explore research dataDeveloper resources

Explore SourceStrand

Start with the evidence domain.

Move from a research question to source-aware coverage, a free preview and an explicit data-access decision.

02 · ESG

Public evidence

Environmental, labor, governance, energy and site-context sources without an inferred rating.

Review ESG sources
For developers and AI assistants

Use documented previews, OpenAPI and x402 discovery to identify the exact resource before authorization.

Open machine access

Evidence standard

Every response carries its source, freshness and interpretation boundary.
  1. Source recordsOfficial registries, public disclosures, market observations and regulatory reports.
  2. Collection & normalizationIdentity resolution, field mapping, timestamps and content hashes.
  3. Verification & validationCoverage, freshness, limitations and no-charge readiness checks.
  4. DeliveryFree previews, documented JSON responses and explicit x402 authorization.
13 data productsStart from a buyer question, domain or machine-readable catalog.
21 Taiwan sourcesReview coverage, update cadence, lineage and limitations first.
Controlled accessInspect a free preview, then authorize only the exact response selected.

Production data products

Taiwan supplier leads

Search public tenders and awards in English or Traditional Chinese, then review matching supplier candidates and source records.

  • Free preview: up to three matching records.
  • Full lead pack: additional records and supplier groups.
  • From $0.01 USDC; no charge when no relevant record is found.
View free “software” lead previewReview supplier lead pack · $0.01 USDC
Example: GET https://api.sourcestrand.com/v1/preview/tw-procurement/supplier-lead-pack?q=software&buyer_hint=web-home

Taiwan company profiles

Confirm a covered company’s identity, source, freshness, and field coverage before selecting the full profile.

  • Covers valid-ID listed, OTC and emerging-market companies plus the official MOEA top 500 by registered capital.
  • The free preview shows identity, freshness and available fields.
  • Coverage is curated rather than a complete Taiwan registry; full profile from $0.01 USDC.
View free TSMC previewReview company profile · $0.01 USDC

Crypto short-window signals

Quarter-hourly CoinGecko-derived context for BTC, ETH, SOL, SUI and ADA, including freshness, short-window trend, answerability and workbench views.

  • Free preview: confirm the asset, freshness, attribution and reduced response shape.
  • $0.01 USDC signal: includes one complete single-asset response.
  • $0.01 USDC focused workbench: compares cross-asset liquidity and volatility; Dirty Work and Agent Effort remain available as separate focused packs.
  • Availability boundary: the 30-day Quant bundle remains closed and is not used as a payment destination.

Derived research context only; no raw upstream payloads, realtime execution data or financial advice.

View free BTC signal previewReview liquidity watchlist · $0.01 USDCReview asset signal · $0.01 USDC
Review product specification

Weekly BTC/ETH/SOL CFTC Positioning

Compare weekly asset-manager and leveraged-fund positioning across BTC, ETH, and SOL, then refresh only when the CFTC material hash changes.

  • Free preview: check the latest report date, covered contracts, available fields and report version.
  • $0.01 USDC full report: includes normalized asset-manager and leveraged-fund positions, recent changes and historical context.
  • Version check included: compare the preview with your saved report version before returning to checkout; an unchanged conditional request is not charged.

Weekly regulated-futures context only; not live spot data, trading advice or a statement of participant intent.

View free BTC positioning previewReview positioning report · $0.01 USDC
Review CFTC positioning product

Taiwan source registry and evaluations

Taiwan official-data catalog

Browse 21 official-source datasets, including their providers, update frequency, fields and current availability.

Browse Taiwan data sources

Semiconductor and entity evaluations

Inspect sample response structures for research formats that are not currently available as commercial products.

View coverage status

Developer resources

Python x402 integration guide

Inspect data without a wallet, then issue one explicitly approved, capped Base USDC request with settlement verification.

Open Python x402 guideGET https://api.sourcestrand.com/developers/python

Data use & limits

Official-source attribution remains attached. English summaries are SourceStrand interpretations, not certified translations. Outputs are not legal, financial, credit, investment or procurement advice.