Blocks that can reach a POI
GET/v1/pois/{dest_id}/catchment
Every census block within reach of this POI and its travel time, one row per (block, mode). Keyset-paginated by (mode, block).
Authorizations
Section titled “Authorizations”Parameters
Section titled “Parameters”Path Parameters
Section titled “Path Parameters”Stable destination id
Stable destination id
Query Parameters
Section titled “Query Parameters”Responses
Section titled “Responses”Successful Response
object
One block that can reach the POI, by mode. (shape.shape_catchment)
object
Minutes, 1 decimal
Example
{ "dest_id": 9001, "next_cursor": null, "results": [ { "geoid": "410390020001010", "mode": "walk", "travel_time": 6.5 } ]}Not modified (If-None-Match matched the ETag); no body, no tokens charged
Invalid request (e.g. invalid-parameters, invalid-cursor, invalid-bbox, missing-location, missing-area, invalid-geometry, polygon-too-complex, missing-origins, too-many-origins)
400 invalid-parameters, carrying the offending fields. (core.problems, RequestValidationError handler)
object
object
Problem type URI; the final path segment is the stable slug
Missing or invalid API key (missing-key, invalid-key)
RFC 9457 problem detail. Served as application/problem+json. Additional
members appear for some problem types (e.g. errors). (core.problems.problem)
Key disabled (account-disabled)
RFC 9457 problem detail. Served as application/problem+json. Additional
members appear for some problem types (e.g. errors). (core.problems.problem)
Resource not found (block-not-found, poi-not-found, place-not-found, point-not-covered, no-isochrone-data, direction-not-available)
RFC 9457 problem detail. Served as application/problem+json. Additional
members appear for some problem types (e.g. errors). (core.problems.problem)
Rate limited or token balance exhausted (rate-limited, tokens-exhausted); sets Retry-After
RFC 9457 problem detail. Served as application/problem+json. Additional
members appear for some problem types (e.g. errors). (core.problems.problem)
Backend temporarily unavailable (debit-unavailable, store-unavailable); may set Retry-After
RFC 9457 problem detail. Served as application/problem+json. Additional
members appear for some problem types (e.g. errors). (core.problems.problem)