# api.clinkforge.com — search and data APIs — 2 of 5 Home > Browse > By country > United States > api.clinkforge.com > Probe-verified (tier 2 of 3). Last checked 2026-09-26. 2 of 5 capability checks passed. 2 unknown. - host: api.clinkforge.com - url: https://api.clinkforge.com/ - category: search and data APIs - type: business - country: US ## Probe-verified · tier 2 of 3 Probed live on 2026-09-26 against rubric v1.2. 2 of 5 checks passed. 2 unknown. - UNKNOWN — Markdown negotiation (`Accept: text/markdown`) - UNKNOWN — Markdown twin at a predictable URL (`/page.md`) - PASS — llms.txt (`/llms.txt`) - FAIL — API catalog (`RFC 9727`) - PASS — MCP endpoint answers tools/list (`initialize → tools/list, no credentials`) · on 26 Sep 2026 - ABSENT — MCP server card (`/.well-known/mcp/server-card.json`): absent; not scored - Platform-supplied: no; not scored - FAIL — Other agent files at well-known paths (`agent-skills/index.json · oauth-authorization-server · oauth-protected-resource · http-message-signatures-directory`): none found; not scored MCP tools (from tools/list on 2026-09-26): auto_nchs_birth_rates_for_unmarried_women_by_age_race_and_hispanic_origin_united_stat_lookup, spdx_license_lookup, nws_alert_severity_summary, auto_child_fatalities_trend_lookup, auto_dev_dqs_cholesterol_in_adults_age_20_and_older_by_selected_characteristics_unite_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_07_lookup, usgs_quake_lookup, auto_nhanes_select_oral_health_prevalence_estimates_lookup, auto_child_victims_trend_lookup, auto_an_aggregated_dataset_of_day_3_post_inoculation_viral_titer_measurements_from_in_lookup, cve_detail_lookup, cpi_us_monthly, state_population_lookup, congress_bill_lookup, bank_profile_lite, fda_recall_lookup, cve_published_daily_summary, fda_recall_state_summary, wb_country_lookup, electricity_retail_series, state_gdp_series, fmr_area_lookup, fmr_area_search, station_monthly_temp, kev_status_by_cve, auto_weekly_cumulative_influenza_vaccination_coverage_by_flu_season_and_race_ethnicit_lookup, auto_ah_monthly_provisional_counts_of_deaths_by_age_group_and_hhs_region_for_select_c_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_17_lookup, auto_dqs_delay_or_nonreceipt_of_needed_medical_care_prescription_drugs_or_dental_care_lookup, auto_hhs_covid_19_small_area_estimations_survey_updated_bivalent_vaccine_audience_wav_lookup, auto_infant_protection_against_respiratory_syncytial_virus_rsv_by_maternal_rsv_vaccin_lookup, auto_ah_cumulative_provisional_covid_19_death_counts_by_place_of_death_and_age_group__lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_08_lookup, auto_covid_19_reported_patient_impact_and_hospital_capacity_by_state_lookup, auto_vaccine_hesitancy_for_covid_19_public_use_microdata_areas_pumas_lookup, auto_cumulative_influenza_vaccination_coverage_by_flu_season_and_race_ethnicity_pregn_lookup, auto_nchs_vsrr_quarterly_provisional_estimates_for_selected_birth_indicators_lookup, auto_beam_dashboard_isolates_by_hhs_region_lookup, fedreg_doc_lookup, ecfr_title_status, us_debt_to_penny, cpsc_recall_monthly_summary, auto_asthma_in_children_younger_than_age_18_by_selected_characteristics_united_states_lookup, auto_child_fatalities_by_submission_type_lookup, auto_screened_in_and_screened_out_referrals_lookup, auto_dev_dqs_death_rates_for_suicide_by_sex_race_hispanic_origin_and_age_united_state_lookup, auto_ah_provisional_covid_19_deaths_by_age_united_states_week_40_2020_through_week_39_lookup, auto_monthly_cumulative_number_and_percent_of_children_8_months_who_received_nirsevim_lookup, auto_hhs_covid_19_small_area_estimations_survey_monovalent_booster_audience_wave_18_lookup, auto_distribution_of_covid_19_deaths_and_populations_by_jurisdiction_age_and_race_and_lookup, auto_nchs_vsrr_quarterly_provisional_estimates_for_selected_indicators_of_mortality_lookup, auto_ah_county_of_residence_covid_19_deaths_counts_2020_provisional_lookup, auto_prevalence_of_selected_measures_among_adults_aged_20_and_over_united_states_1999_lookup, auto_provisional_drug_overdose_deaths_by_urban_rural_classification_scheme_for_12_mon_lookup, auto_children_who_received_an_investigation_or_alternative_response_lookup, cpsc_recall_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_24_lookup, auto_nchs_births_and_general_fertility_rates_united_states_lookup, auto_dev_dqs_drug_overdose_death_rates_by_drug_type_sex_age_race_and_hispanic_origin__lookup, auto_vsrr_state_and_national_provisional_counts_for_live_births_deaths_and_infant_dea_lookup, auto_children_by_disposition_lookup, auto_nutrition_physical_activity_and_obesity_county_level_breastfeeding_initiation_ra_lookup, auto_weekly_respiratory_syncytial_virus_rsv_vaccination_coverage_among_pregnant_or_re_lookup, auto_weekly_differences_in_cumulative_percentage_of_children_ages_6_months_17_years_w_lookup, auto_nchs_leading_causes_of_death_united_states_lookup, auto_weekly_cumulative_influenza_vaccination_coverage_map_and_comparison_between_2025_lookup, auto_physician_experiences_related_to_covid_19_from_the_national_ambulatory_medical_c_lookup, auto_ah_provisional_covid_19_deaths_by_week_place_of_death_and_age_lookup, auto_nchs_birth_rates_for_females_by_age_group_united_states_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_06_lookup, auto_dqs_visits_to_physician_offices_hospital_outpatient_departments_and_hospital_eme_lookup, auto_monthly_cumulative_number_and_percent_of_children_20_months_who_received_nirsevi_lookup, auto_weekly_differences_in_cumulative_rsv_vaccination_coverage_among_adults_75_and_ol_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_27_lookup, auto_beam_dashboard_top_30_most_common_serotypes_lookup, auto_weekly_cumulative_rsv_vaccination_coverage_by_race_and_ethnicity_medicare_fee_fo_lookup, auto_test_restructured_dqs_functional_limitation_in_adults_age_18_and_older_by_select_lookup, auto_nssp_emergency_department_visits_covid_19_flu_rsv_combined_by_demographic_catego_lookup, auto_examination_of_sars_cov_2_serological_test_results_from_multiple_commercial_and__lookup, auto_weekly_cumulative_percentage_of_children_ages_6_months_17_years_who_are_up_to_da_lookup, auto_hhs_covid_19_small_area_estimations_survey_monovalent_booster_audience_wave_16_lookup, auto_covid_19_vaccine_distribution_allocations_by_jurisdiction_janssen_lookup, auto_nchs_age_adjusted_death_rates_for_selected_major_causes_of_death_lookup, auto_ah_provisional_covid_19_deaths_by_race_age_and_sex_from_3_1_2020_to_7_31_2020_lookup, auto_weekly_cumulative_rsv_vaccination_coverage_and_intent_overall_by_selected_demogr_lookup, auto_nhanes_select_chronic_conditions_prevalence_estimates_lookup, auto_2020_2021_nationwide_blood_donor_seroprevalence_survey_combined_infection_and_va_lookup, auto_lyme_disease_public_use_aggregated_data_with_geography_2022_2023_lookup, auto_dqs_nhis_child_summary_statistics_footnotes_lookup, auto_weekly_cumulative_doses_in_millions_of_influenza_vaccines_distributed_by_season__lookup, auto_nationwide_commercial_laboratory_seroprevalence_survey_lookup, auto_ah_provisional_diabetes_death_counts_for_2020_lookup, auto_ah_cumulative_provisional_death_counts_by_sex_race_and_age_from_1_1_2020_to_7_4__lookup, auto_outpatient_respiratory_illness_activity_map_lookup, auto_weekly_differences_in_cumulative_influenza_vaccination_coverage_and_comparison_b_lookup, auto_weekly_influenza_vaccination_coverage_among_pregnant_women_18_49_years_by_race_a_lookup, auto_vsrr_provisional_maternal_death_counts_and_rates_lookup, auto_fy_2023_hhs_contingency_staffing_plan_for_a_lapse_in_appropriation_lookup, auto_mapping_injury_overdose_and_violence_national_lookup, auto_dev_dqs_infant_neonatal_and_postneonatal_mortality_rates_by_detailed_race_and_hi_lookup, auto_tests_for_antibodies_to_trachoma_pgp3_antigen_lookup, auto_monthly_covid_19_death_rates_per_100_000_population_by_age_group_race_and_ethnic_lookup, auto_nchs_drug_poisoning_mortality_by_state_united_states_lookup, auto_ah_monthly_provisional_counts_of_deaths_for_select_causes_of_death_by_sex_age_an_lookup, auto_hhs_covid_19_small_area_estimations_survey_monovalent_booster_audience_wave_20_lookup, auto_dev_dqs_nhanes_select_oral_health_prevalence_estimates_lookup, auto_weekly_united_states_covid_19_cases_and_deaths_by_state_archived_lookup, auto_dev_dqs_fetal_late_fetal_and_perinatal_mortality_rates_by_detailed_race_and_hisp_lookup, auto_weekly_covid_19_vaccination_coverage_among_pregnant_women_by_race_and_ethnicity_lookup, auto_weekly_cumulative_influenza_vaccination_coverage_children_6_months_through_17_ye_lookup, auto_ah_provisional_cancer_death_counts_by_month_and_year_2020_2021_lookup, auto_monthly_cumulative_number_and_percent_of_children_8_months_who_received_1_monocl_lookup, auto_weekly_covid_19_vaccination_coverage_among_pregnant_women_18_49_years_by_race_an_lookup, auto_covid_19_vaccines_up_to_date_status_lookup, auto_nchs_top_five_leading_causes_of_death_united_states_1990_1950_2000_lookup, auto_dev_dqs_prescription_drug_use_in_the_past_30_days_by_sex_race_and_hispanic_origi_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_09_lookup, auto_weekly_respiratory_syncytial_virus_rsv_vaccination_coverage_among_pregnant_women_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_02_lookup, auto_covid_19_reported_patient_impact_and_hospital_capacity_by_state_raw_lookup, auto_lyme_disease_public_use_aggregated_data_with_geography_1992_2007_lookup, auto_dev_dqs_health_care_employment_and_wages_by_selected_occupations_united_states_lookup, auto_access_and_use_of_telemedicine_during_covid_19_lookup, auto_obesity_among_children_and_adolescents_aged_2_19_years_by_selected_characteristi_lookup, auto_reduced_access_to_care_during_covid_19_lookup, auto_preliminary_estimates_of_cumulative_covid_19_associated_hospitalizations_by_week_lookup, auto_hhs_covid_19_small_area_estimations_survey_primary_vaccine_series_wave_05_lookup, auto_weekly_respiratory_virus_vaccination_data_children_6_months_17_years_and_adults__lookup, auto_healthy_people_2020_overview_of_health_disparities_lookup, auto_ah_monthly_provisional_covid_19_deaths_by_census_region_age_and_race_and_hispani_lookup, auto_infant_neonatal_postneonatal_fetal_and_perinatal_mortality_rates_by_detailed_rac_lookup, auto_nchs_nonmarital_birth_rates_by_age_group_for_all_women_age_15_44_united_states_1_lookup, auto_hus_footnote_look_up_asthch_lookup, auto_total_covid_19_deaths_since_january_1_2020_by_age_group_race_ethnicity_and_sex_lookup, auto_weekly_cumulative_influenza_vaccination_coverage_by_flu_season_and_race_and_ethn_lookup, auto_ah_deaths_by_educational_attainment_2019_2020_lookup, auto_pathogen_detections_among_enrolled_children_in_the_new_vaccine_surveillance_netw_lookup, auto_differences_in_cumulative_influenza_vaccination_coverage_by_selected_demographic_lookup, auto_provisional_drug_overdose_death_counts_for_specific_drugs_lookup, auto_archive_covid_19_vaccination_and_case_trends_by_age_group_united_states_lookup, auto_beam_dashboard_serotypes_of_concern_illnesses_and_outbreaks_lookup ## Summary API platform selling 141 machine-purchasable data products with cryptographic provenance, priced per call in USDC on Base, including US health, weather, and government datasets with verifiable attestations. ## Context 105 sites in this index share the category "search and data APIs"; 20 are transactional. ## How we grade - tier 1 — **Declared**: The site says agents are welcome in its robots.txt. A permission, not a capability. - tier 2 — **Probe-verified** (this site): We fetched the site and tested each signal ourselves. Dated, repeatable, re-checked on a schedule. - tier 3 — **Behaviourally verified**: An agent completed the action end to end — booked, bought, submitted — and it worked. ## About this record Known Good probes sites live and publishes what was tested and when. Method: https://knowngood.sh/about.md · Rubric: https://knowngood.sh/benchmark How we found this site: probe discovery. This site didn't declare agent access — we found it by checking the open web. Everything above was tested the same way, against the same rubric, on the date shown. [How we choose what to check, and how to opt out](https://knowngood.sh/bot) ## Where this sits - United States: https://knowngood.sh/country/US - business: https://knowngood.sh/type/business - search and data APIs: https://knowngood.sh/category/search-data-apis - Browse: https://knowngood.sh/browse - Rubric: https://knowngood.sh/benchmark