Delphi V5 Sources and Signals
The legacy V4 API is being phased out. See the V4 to V5 Migration Guide for guidance on migrating existing queries.
V5 Sources
Sources available in V5, and the legacy V4 source each one replaces. A V4 source not listed here has not migrated and remains V4-only. The table entries are filled real-time using /epidata/v5/metadata/.
| Source | V4 Equivalent | Geographies | Extra Key Columns |
|---|---|---|---|
nssp |
nssp |
census_division, census_region, county, hhs, hrr, hsa_nci, msa, nation, state | — |
nhsn |
nhsn |
census_division, census_region, hhs, nation, state | — |
pophive |
New in V5 | hhs, nation, state | age_group |
nwss |
New in V5 | sewershed | nwss_source, sample_index |
claims_outpatient |
doctor-visits |
census_division, census_region, county, hhs, hrr, msa, nation, state | — |
claims_inpatient |
hospital-admissions |
census_division, census_region, county, hhs, hrr, msa, nation, state | — |
va_respiratory |
New in V5 | census_division, census_region, hhs, msa, nation, state, va_facility | — |
sleepcycle |
Not yet verified | census_division, census_region, county, hhs, hrr, msa, nation, state | — |
V5 sources available as of August 25, 2026.
Not yet verified means this page’s maintainers have not yet confirmed whether the source is genuinely new in V5 or a renamed V4 source.