# cryptocard.guide > Compare crypto cards by fees, rewards, custody, availability, source confidence and transparent methodology. Published card claims come from reviewed public profiles. Fees, rewards, eligibility and offers can change. Keep the last-checked date and stated caveats when citing them. ## Start here - [All crypto cards](https://cryptocard.guide/cards): Browse published card profiles. - [Methodology](https://cryptocard.guide/methodology): Read how facts, unknowns and scores are handled. - [Compare cards](https://cryptocard.guide/compare): Compare published profiles side by side. - [Affiliate disclosure](https://cryptocard.guide/affiliate-disclosure): Read how partner links are disclosed and kept separate from ranking. - [Agent and API guide](https://cryptocard.guide/for-agents): Query parameters, examples, value rules and citation guidance. ## Machine-readable access - [Public card index](https://cryptocard.guide/api/v1/cards): Returns JSON by default. Send Accept: text/markdown for Markdown. - Card detail pattern: https://cryptocard.guide/api/v1/cards/{slug} - [OpenAPI document](https://cryptocard.guide/openapi.json): Machine-readable endpoint and parameter definitions. - Recommendation example: https://cryptocard.guide/api/v1/recommendations?country=US&funding=crypto&asset=USDT&scenario=low_fees - Stablecoin-spend recommendation: https://cryptocard.guide/api/v1/recommendations?country=US&funding=crypto&asset=USDC&scenario=stablecoin_spend - Offers example: https://cryptocard.guide/api/v1/offers?country=US&audience=new_user&status=active&sort=ending_soon The matching browser URLs are: - https://cryptocard.guide/cards?country=US&funding=crypto&asset=USDT&scenario=low_fees - https://cryptocard.guide/offers?country=US&audience=new_user&status=active&sort=ending_soon Each card record links back to its canonical page and includes the review date, public evidence coverage, selected sources, research gaps, score explanation, structured funding routes and provider CTA. Recommendation responses explain card fit separately from current application links and offers. Offer records describe the user benefit, requirements, timing and country caveats. Use the supplied /go/ URL so current routing and disclosure rules remain in effect. ## Citation guidance - Cite the canonical HTML card page, not the API URL. - Retain the card's last-checked date. - Preserve conditions, exclusions, unknowns and regional caveats. - Use the listed primary sources when the underlying provider claim is the better citation target.