Agentic Commerce

What agents actually call and pay for on-chain, aggregated across x402 and MPP. Identified sellers only.

154 services · 154 on-chain calls (all-time) · $2.99 on-chain revenue (USDC) · Updated 8 hours ago

Calls over timeLast 90 days

33.98M↓ 21.9%calls · all-timecallsvolume

90 days ago45dToday

Top 8 sellers by callsShare of total

65%of all calls from top 8 sellers

Builda100

← All sellersBuilda servicesestimated split across this seller's services

#ServicePriceRatingCallsTotal volume ($)

1UCUM Clinical Units of Measure Searchby Builda$0.02 / call—1est.$0.02 2FHIR R4 Appointment Listby Builda$0.02 / call—1est.$0.02 3RxNav ATC Drug Class Lookupby Builda$0.02 / call—1est.$0.02 4UniRef Protein Sequence Cluster Searchby Builda$0.02 / call—1est.$0.02 5UniParc Protein Sequence Archive Searchby Builda$0.02 / call—1est.$0.02 6Open Food Facts Product Lookup by Barcodeby Builda$0.02 / call—1est.$0.02 7ArrayExpress Functional Genomics Search via BioStudiesby Builda$0.02 / call—1est.$0.02 8FHIR Condition (Diagnosis) List – HL7 R4 Test Serverby Builda$0.02 / call—1est.$0.02 9FHIR Encounter List – HL7 R4 Test Serverby Builda$0.02 / call—1est.$0.02 10FHIR Specimen List (HL7 R4 Test Server)by Builda$0.02 / call—1est.$0.02 11EBI Search UniProt Full-Text Searchby Builda$0.02 / call—1est.$0.02 12NCBI Taxonomy E-Search via ClonEchoby Builda$0.02 / call—1est.$0.02 13clonecho.builda.company – Physicians per 1,000 People (Global)by Builda$0.02 / call—1est.$0.02 14FHIR Slot List – HL7 R4 Appointment Time Slotsby Builda$0.02 / call—1est.$0.02 15FHIR R4 Schedule Listby Builda$0.02 / call—1est.$0.02 16NCBI Conserved Domain Database (CDD) E-Searchby Builda$0.02 / call—1est.$0.02 17NCBI PubChem Compound Search via E-utilitiesby Builda$0.02 / call—1est.$0.02 18NCBI dbGaP Genotype-Phenotype Study Search (E-utilities)by Builda$0.02 / call—1est.$0.02 19RxNorm Drug Normalization APIby Builda$0.02 / call—1est.$0.02 20FDA Tobacco Product Problem Reportsby Builda$0.02 / call—1est.$0.02 21MyChem.info Chemical/Drug Queryby Builda$0.02 / call—1est.$0.02 22World Bank Population Ages 65+ (% of Total) by Countryby Builda$0.02 / call—1est.$0.02 23NLM Clinical Tables HGNC Gene Searchby Builda$0.02 / call—1est.$0.02 24MyDisease.info Disease Annotation Searchby Builda$0.02 / call—1est.$0.02 25NCBI Datasets Taxonomy Classification Reportby Builda$0.02 / call—1est.$0.02 26NLM Clinical Tables Procedure Searchby Builda$0.02 / call—1est.$0.02 27PGS Catalog Cohort Searchby Builda$0.02 / call—1est.$0.02 28Monarch Initiative Entity Searchby Builda$0.02 / call—1est.$0.02 29Monarch Biomedical Entity Association Lookupby Builda$0.02 / call—1est.$0.02 30UniProt/NCBI Taxonomy Organism Searchby Builda$0.02 / call—1est.$0.02 31UniProt Cross-Referenced Databases Searchby Builda$0.02 / call—1est.$0.02 32EBI Complex Portal Searchby Builda$0.02 / call—1est.$0.02 33EBI MetaboLights Study Searchby Builda$0.02 / call—1est.$0.02 34RNAcentral Non-Coding RNA Sequence Searchby Builda$0.02 / call—1est.$0.02 35FHIR Patient Searchby Builda$0.02 / call—1est.$0.02 36FHIR Medication List (HL7 R4 Test Server)by Builda$0.02 / call—1est.$0.02 37FHIR MedicationRequest Listby Builda$0.02 / call—1est.$0.02 38NCBI SRA E-Searchby Builda$0.02 / call—1est.$0.02 39clonecho Hospital Beds per 1,000 People (Global)by Builda$0.02 / call—1est.$0.02 40NCBI BioProject E-Searchby Builda$0.02 / call—1est.$0.02 41Measles Immunization Coverage by Countryby Builda$0.02 / call—1est.$0.02 42FHIR Goal List - Clinical Care Goalsby Builda$0.02 / call—1est.$0.02 43WHO GHO Indicator Time-Series Lookupby Builda$0.02 / call—1est.$0.02 44FDA Food Recall Enforcement Counts by Hazard Classby Builda$0.02 / call—1est.$0.02 45FDA National Drug Code (NDC) Directory Lookupby Builda$0.02 / call—1est.$0.02 46World Bank Life Expectancy at Birth by Countryby Builda$0.02 / call—1est.$0.02 47World Bank Under-5 Mortality Rate by Countryby Builda$0.02 / call—1est.$0.02 48InterPro Protein Lookup via UniProt Accessionby Builda$0.02 / call—1est.$0.02 49World Bank Infant Mortality Rate by Countryby Builda$0.02 / call—1est.$0.02 50World Bank Fertility Rate by Countryby Builda$0.02 / call—1est.$0.02 51InterPro Protein Family/Domain Entry Searchby Builda$0.02 / call—1est.$0.02 52InterPro All Entries for Proteinby Builda$0.02 / call—1est.$0.02 53NLM Clinical Tables UMLS Disease Name Autocompleteby Builda$0.02 / call—1est.$0.02 54NLM RxTerms Prescribable Drug Name Autocompleteby Builda$0.02 / call—1est.$0.02 55OpenFDA Animal Veterinary Adverse Event Reportsby Builda$0.02 / call—1est.$0.02 56Rhea Biochemical Reaction Searchby Builda$0.02 / call—1est.$0.02 57NLM Clinical Tables Gene Name Searchby Builda$0.02 / call—1est.$0.02 58UniProt Human Disease Vocabulary Searchby Builda$0.02 / call—1est.$0.02 59UniProt Controlled-Vocabulary Keywords Searchby Builda$0.02 / call—1est.$0.02 60UniProt Subcellular Location Searchby Builda$0.02 / call—1est.$0.02 61World Bank Health Spending by Countryby Builda$0.02 / call—1est.$0.02 62UniProt Reference Proteomes Searchby Builda$0.02 / call—1est.$0.02 63EBI PRIDE Proteomics Dataset Searchby Builda$0.02 / call—1est.$0.02 64EMDB Cryo-EM Map Searchby Builda$0.02 / call—1est.$0.02 65HAPI FHIR R4 Patient Searchby Builda$0.02 / call—1est.$0.02 66FHIR Organization Searchby Builda$0.02 / call—1est.$0.02 67HL7 FHIR R4 Practitioner Searchby Builda$0.02 / call—1est.$0.02 68FHIR Observation by Categoryby Builda$0.02 / call—1est.$0.02 69FHIR DiagnosticReport Listby Builda$0.02 / call—1est.$0.02 70FHIR AllergyIntolerance List (HL7 R4 Test Server)by Builda$0.02 / call—1est.$0.02 71FHIR Immunization List – HL7 R4 Test Serverby Builda$0.02 / call—1est.$0.02 72FHIR Procedure List – HL7 R4 Test Serverby Builda$0.02 / call—1est.$0.02 73FHIR CarePlan List – HL7 R4 Test Serverby Builda$0.02 / call—1est.$0.02 74FHIR DocumentReference List (HL7 R4 Test Server)by Builda$0.02 / call—1est.$0.02 75RNAcentral Full-Text Search via EBI Search APIby Builda$0.02 / call—1est.$0.02 76EBI Search Complex Portal Full-Text Searchby Builda$0.02 / call—1est.$0.02 77EBI Search ChEMBL Bioactivity Full-Text Searchby Builda$0.02 / call—1est.$0.02 78EBI Search PRIDE Proteomics Full-Text Searchby Builda$0.02 / call—1est.$0.02 79Colombia COVID-19 Case Records Search (datos.gov.co / INS)by Builda$0.02 / call—1est.$0.02 80EBI Search HGNC Human Gene Nomenclature Searchby Builda$0.02 / call—1est.$0.02 81Clonecho Undernourishment Prevalence by Countryby Builda$0.02 / call—1est.$0.02 82NCBI Protein Database Search via E-utilitiesby Builda$0.02 / call—1est.$0.02 83NCBI dbSNP Variant Search via E-utilitiesby Builda$0.02 / call—1est.$0.02 84NCBI ClinVar Variant Search via E-utilitiesby Builda$0.02 / call—1est.$0.02 85NCBI Structure (MMDB) Database Search via E-utilitiesby Builda$0.02 / call—1est.$0.02 86NCBI Assembly ESearch via clonechoby Builda$0.02 / call—1est.$0.02 87DPT Immunization Coverage by Countryby Builda$0.02 / call—1est.$0.02 88NCBI dbVar Structural Variant Search via E-utilitiesby Builda$0.02 / call—1est.$0.02 89HIV Prevalence by Country (Adults 15-49)by Builda$0.02 / call—1est.$0.02 90Cellosaurus Cell Line Searchby Builda$0.02 / call—1est.$0.02 91FHIR HL7 R4 Healthcare Service Listby Builda$0.02 / call—1est.$0.02 92FHIR Claim List – HL7 R4 Test Serverby Builda$0.02 / call—1est.$0.02 93FHIR Imaging Study Listby Builda$0.02 / call—1est.$0.02 94FHIR R4 StructureDefinition Listby Builda$0.02 / call—1est.$0.02 95Firely FHIR R4 Observation Listby Builda$0.02 / call—1est.$0.02 96Firely FHIR R4 Encounter Listby Builda$0.02 / call—1est.$0.02 97Firely FHIR R4 Organization Listby Builda$0.02 / call—1est.$0.02 98Firely FHIR R4 Immunization Listby Builda$0.02 / call—1est.$0.02 99Open Food Facts Product Search by Categoryby Builda$0.02 / call—1est.$0.02 100FHIR Questionnaire Listby Builda$0.02 / call—1est.$0.02

On-chain settles to one wallet per seller, so multi-service sellers are shown as a single seller row (per-service on-chain isn't attributable). All-time reflects on-chain history collected since tracking began.