{"accepted_urls":["https://polymarket.com/event/<slug>[/<market-slug>]","https://polymarket.com/sports/ucl/<slug>","https://kalshi.com/markets/<series>/<slug>/<event-ticker>"],"availability":"prototype","billable_when":"the link resolves to one supported market (a two-way full-game moneyline using sports-market-link-snapshot/1, or a UCL three-way regulation moneyline using sports-market-link-snapshot/2) and at least one venue prices one of its outcomes","contract":"sports-market-link-snapshot/1","free_alternative":"sports_skills.markets.compare_market_url (sports-skills, open source, no key)","limitations":["full_game_moneyline_only","reference_prices_not_executable","no_settlement_equivalence","venue_coverage_not_guaranteed"],"meter":"market_link_snapshot","never_billed":["ambiguous_game","ambiguous_market","game_not_matched","invalid_request","market_not_found","no_usable_prices","provider_unavailable","unsupported_market","unsupported_url"],"operation":{"auth":"zeroclick_signed_request","body":{"url":"string"},"method":"POST","path":"/markets/v1/link-snapshot"},"partial_coverage":"billed when at least one venue priced a side; venues that did not are listed in coverage.missing","price":{"amount":"0.05","currency":"USD","per":"billable_snapshot"},"price_status":"approved","redelivery":"signed requests only: after signature verification and allowance approval, an identical request (same agent, zc-request-id, method, path, query and raw body) replays a retained answer without zc-usage; Redis retention is 600 s. A changed request with that retained identity, including the same id on the other snapshot path, returns 409 request_id_reused. Lost or expired records can execute again; provider settlement idempotency is not verified","service":"market-link-snapshot"}