/street-address

Validate a single address

• auth-id (query, required) — Authentication ID (required)
• auth-token (query, required) — Authentication token (required)
• street (query) — The street line of the address, or the entire address (freeform).
• city (query) — The city name.
• state (query) — The state name or abbreviation.
• zipcode (query) — The ZIP Code.
• candidates (query) — Maximum number of addresses returned when the input is ambiguous (default 1, max 10).
• match (query) — Match output strategy: strict, invalid, or enhanced.
• format (query) — Output format: default or project-usa.
• features (query) — Comma‑separated list of extra features (e.g., component-analysis, iana-timezone).
• input_id (query) — Pass‑through identifier for the input address (up to 36 characters).
• street2 (query) — Any extra address information.
• secondary (query) — Apartment, suite, or office number.
• addressee (query) — Name of the person or company as submitted by the client.
• urbanization (query) — Neighborhood (only Puerto Rican addresses).
• lastline (query) — City, state, and ZIP Code combined.
• county_source (query) — Source for county information: postal (default) or geographic.

/street-address

Validate multiple addresses in one request

• auth-id (query, required) — Authentication ID (required)
• auth-token (query, required) — Authentication token (required)
• format (query) — Output format: default or project-usa.
• features (query) — Comma‑separated list of extra features (e.g., component-analysis, iana-timezone).
• Content-Type (header, required) — application/json; charset=utf-8