Resources
Google Maps identifiers glossary
Decode Place ID, CID, Fid/business_id, ludocid, and Plus Code—the IDs that show up in lead CSVs, review links, and Agent API place inputs.
ID family at a glance
Same listing, different strings—use this table before you pick a CRM key or paste into reviews/photos jobs.
| Term | Looks like | Best for | In product |
|---|---|---|---|
| Place ID | ChIJ… | APIs, CRM dedupe, durable keys | CSV Place Id; photos place input |
| CID | Large decimal | Maps / review deep links | CSV Cid |
| Fid / business_id | 0x…:0x… | Reviews & photos jobs, hex pairs | CSV Fid; API business_id |
| Plus Code | 849VCWC8+R9 | Geographic / territory keys | Extension exports when available |
Identifiers
Google Maps Place ID
Canonical ChIJ… key for APIs, dedupe, and CRM hygiene.
Read definitionIdentifiers
Google Maps CID
Decimal ID for Maps deep links and many review URLs.
Read definitionIdentifiers
Google Maps business_id (Fid)
0x…:0x… hex pair—CSV Fid equals API business_id.
Read definitionComparison
Place ID vs CID
Side-by-side: when to use Place ID vs CID (and Fid).
Read definitionURL parameters
ludocid
URL param that usually holds the same decimal as CID.
Read definitionRelated
Google Maps Plus Code
Location code for CRM keys—not a Place ID or CID.
Read definition
Convert IDs or scrape the place
Definitions live here; extraction and lead jobs live next door.
Related guides
Tutorial
How to Scrape Google Maps Data for Lead Lists (2026)
Turn a city × niche keyword into a CSV of public business listings.
Cost
How Much Does the Google Maps / Places API Cost?
SKU math, the common monthly credit, and when lead credits are simpler.
Tutorial
How to Scrape Google Maps Reviews to CSV
Single-place review export for reputation and research workflows.