{"name":"polls.karbach.digital API","about":"Structured German election data for AI systems. Reading the website stays free for people; machine access is paid per call via x402.","payment":{"protocol":"x402","asset":"USDC","network":"Base","network_id":"eip155:8453","pay_to":"0x6d8444CaEd95D9155785Da10aC00247948957D61","how":"Call an endpoint. You get HTTP 402 with the price. Pay with an x402 client and repeat the call."},"free_trial":"Try before you pay: put /try in front of any paid path (for example https://api.polls.karbach.digital/try/v1/federal/trend). Same answer, no payment, 3 calls per day per IP address.","free":{"overview":"https://api.polls.karbach.digital/v1/","elections":"https://api.polls.karbach.digital/v1/elections","openapi":"https://api.polls.karbach.digital/openapi.json","llms":"https://api.polls.karbach.digital/llms.txt"},"paid":[{"endpoint":"/v1/federal/trend","price_usd":0.01,"description":"Federal polling average today per party with 95 percent band (Bundestag)."},{"endpoint":"/v1/polls/latest","price_usd":0.01,"description":"Latest federal polls (Sonntagsfrage), party names normalised."},{"endpoint":"/v1/track-record","price_usd":0.01,"description":"Frozen forecasts versus official results, 2026 out of sample and 34-election backtest."},{"endpoint":"/v1/elections/:id","price_usd":0.02,"description":"One German election: vote share median, 95 percent band, seats, arithmetic majorities, data quality."},{"endpoint":"/v1/constituencies/:nr","price_usd":0.02,"description":"One Bundestag constituency (1 to 299): 2025 result, 2029 scenario, members, structure data."},{"endpoint":"/v1/federal/history","price_usd":0.05,"description":"Weekly federal polling average, up to 24 months."},{"endpoint":"/v1/constituencies/by-postcode/:plz","price_usd":0.01,"description":"Which Bundestag constituency a German postcode belongs to."},{"endpoint":"/v1/constituencies/:nr/race","price_usd":0.02,"description":"Who wins the direct mandate in a constituency: win probability per party, margin, rating."},{"endpoint":"/v1/constituencies/:nr/results","price_usd":0.02,"description":"Official Bundestag results of a constituency 2013 to 2025 (first and second vote, turnout)."},{"endpoint":"/v1/members","price_usd":0.01,"description":"All members of the Bundestag with party, constituency and mandate type."},{"endpoint":"/v1/members/:id","price_usd":0.02,"description":"One member of the Bundestag: profile, committees, documents, latest speeches, roll-call record."},{"endpoint":"/v1/members/:id/votes","price_usd":0.02,"description":"Roll-call votes of one member with title, date and whether against the party line."},{"endpoint":"/v1/bundestag/votes","price_usd":0.02,"description":"Recorded roll-call votes in the Bundestag with result per parliamentary group and dissenters."},{"endpoint":"/v1/institutes","price_usd":0.02,"description":"Polling institutes: accuracy of final polls in past elections and average bias per party."},{"endpoint":"/v1/briefing/today","price_usd":0.02,"description":"Today's political situation in Germany in a few paragraphs (German), based on the model."},{"endpoint":"/v1/briefing/:date","price_usd":0.02,"description":"Daily political briefing for a past date (YYYY-MM-DD, from 2026-04-19)."},{"endpoint":"/v1/governments","price_usd":0.01,"description":"Who governs federally and in each of the 16 states: coalition, head of government, since when."},{"endpoint":"/v1/results/federal/:kind","price_usd":0.02,"description":"Federal election statistics: postal-vote, ticket-splitting, age-groups or turnout."},{"endpoint":"/v1/live/:id","price_usd":0.01,"description":"Election night: counted share, turnout, results so far and deviation from the forecast."},{"endpoint":"/v1/bundestag/committees","price_usd":0.01,"description":"All Bundestag committees with official name, chair and members (role, group)."},{"endpoint":"/v1/bundestag/speeches","price_usd":0.02,"description":"Search Bundestag plenary speeches by member, keyword and date: speaker, date, excerpt, protocol PDF."},{"endpoint":"/v1/bundestag/documents","price_usd":0.02,"description":"Search Bundestag printed papers (motions, minor interpellations) by keyword, type and date with authors and PDF."},{"endpoint":"/v1/constituencies/:nr/dossier","price_usd":0.1,"description":"Everything on one Bundestag constituency in one call: structure data, postcodes, results since 2013, 2029 forecast, direct-mandate chances, its members (committees, speeches, votes), state government and next state election."},{"endpoint":"/v1/members/:id/side-income","price_usd":0.02,"description":"Side jobs and side income of one member of the Bundestag (published brackets, organisations, categories)."},{"endpoint":"/v1/bundestag/side-income","price_usd":0.05,"description":"Side income of all members of the Bundestag: ranking and totals per party, filter by party, category and minimum amount."},{"endpoint":"/v1/lobbying/search","price_usd":0.02,"description":"Search the German Bundestag lobby register (organisations): name, field of interest, type, minimum lobbying spend."},{"endpoint":"/v1/lobbying/ranking","price_usd":0.05,"description":"Who spends most on lobbying in Germany: top organisations, totals per field of interest and type."},{"endpoint":"/v1/lobbying/:register","price_usd":0.01,"description":"One entry of the German lobby register by register number (e.g. R001234)."},{"endpoint":"/v1/parties/donations","price_usd":0.02,"description":"Large donations to German parties as published by the Bundestag (above 35,000 euros, until March 2024 above 50,000 euros, itemised since 2009): donor, amount, dates, printed paper, totals per party."},{"endpoint":"/v1/attention","price_usd":0.01,"description":"Attention from Wikipedia page views per day: German parties and the leading candidates of the next elections (Bundestag, Saarland, Schleswig-Holstein, North Rhine-Westphalia, Spain, France). Not a forecast."},{"endpoint":"/v1/energy/germany","price_usd":0.02,"description":"German electricity per day: generation by source, renewable share, consumption, wholesale price (incl. next day)."},{"endpoint":"/v1/energy/europe/prices","price_usd":0.02,"description":"Household electricity and gas prices in all EU countries (Eurostat), ranked, with change to the previous half-year."},{"endpoint":"/v1/france/presidential-2027","price_usd":0.02,"description":"French presidential election 2027, first round: poll average, 95 percent band and runoff chance per candidate, most likely runoff pairs, recent campaign events."},{"endpoint":"/v1/france/presidential-2027/runoff","price_usd":0.02,"description":"French presidential election 2027, runoff: head-to-head poll average and win probability per tested pair."},{"endpoint":"/v1/france/presidential-2027/polls","price_usd":0.05,"description":"French presidential election 2027: all first-round polls with every scenario, runoff polls, sample, fieldwork and link to the official Commission des sondages notice."},{"endpoint":"/v1/spain/general-2026","price_usd":0.02,"description":"Spanish general election 29 Nov 2026: seat forecast per list (median and 90 percent range), poll average, majority chances (PP+Vox, Sanchez bloc, PP alone), strongest list. Unavailable during the legal blackout 24 to 29 Nov 2026 (art. 69.7 LOREG)."},{"endpoint":"/v1/spain/general-2026/provinces","price_usd":0.05,"description":"Spanish general election 2026, all 52 constituencies: seats, median seats per list, modelled vote share, how many seats are in play, the order in which seats are allocated and who wins the last seat or is first left out."},{"endpoint":"/v1/states/:state","price_usd":0.02,"description":"One German state (Land): parliament seats by group with majority and governing groups, cabinet with portfolios, 13 official statistics with German value and rank, next state election with our forecast."},{"endpoint":"/v1/europe/elections","price_usd":0.01,"description":"Next national election in all 27 EU countries and Switzerland: type, date or year, status (official, legal deadline, expected), sources, link to our forecast where available."},{"endpoint":"/v1/europe/parliament","price_usd":0.02,"description":"European Parliament 2024: seats per political group, EU-wide and per country (official results)."},{"endpoint":"/v1/europe/countries","price_usd":0.02,"description":"All 27 EU countries compared: unemployment, inflation, household electricity and gas prices, strongest list in the 2024 European election."},{"endpoint":"/v1/europe/countries/:code","price_usd":0.02,"description":"One EU country: head of government and state, coalition, national parliament seats by party with governing parties, next national election, European election 2024 results, unemployment, inflation, energy prices."},{"endpoint":"/v1/polls/archive","price_usd":0.05,"description":"Poll archive (federal and state), filter by date range and parliament, up to 500 per call."}],"update_rhythm":"Model runs every six hours (00, 06, 12, 18 Europe/Berlin).","source":{"polls":"dawum.de","polls_license":"ODbL 1.0","polls_license_url":"https://opendatacommons.org/licenses/odbl/1-0/","processing":"polls.karbach.digital (Max Karbach)"},"notice":"Scenario analysis based on published opinion polls. Not a prediction and not a voting recommendation. Coalitions are arithmetic majorities only, not statements about political feasibility.","project":"Ein Projekt von Karbach.Digital (https://karbach.digital)","website":"https://polls.karbach.digital"}