Guidelines for feed delivery
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This guide describes how to provide your Micromobility feed to Google after it's
generated. For a description about how to create your feed, refer to the
specifications in the Reference tab.
Feed guidelines
As part of the process to send your generated Micromobility feed to Google, be
aware of the following process and guidelines:
Ensure that the bike availability and dynamic fare data, where applicable,
are up-to-date. To do so, you must upload a new feed version to the GBFS feed
host every 30 seconds. Also, the latency to retrieve the data must not exceed
30 seconds.
To deliver your feed to Google, you must support HTTP GET.
Feed delivery with HTTP GET
Google fetches the feed from the configured location with an HTTPS GET
request and supports the following authentication methods:
- HTTP Digest Authentication: If you implement this, email the configured
username and password to Micromobility partner support.
- Custom HTTP header fields: For this to be supported, as part of your
request to Google, send the required header fields and values that you need.
- GET parameters: If additional GET parameters are required, add them to
the host address before you email it to Micromobility partner support.
To optimize file size during transfer, Google supports gzip compression in the
HTTP header. Specifically, Google sends Accept-Encoding: gzip, deflate in
the HTTP request header and accepts the response with the HTTP header
Content-Encoding: gzip.
After you determine the host location and details, email the configuration
details to Micromobility partner support.
Feed sharding
To shard a feed is to break the whole feed into multiple non-intersecting
subsets. Depending on your backend systems, fleet types, and sizes,
sharding might be necessary.
For technical details on when and how to shard your feed, refer to
Feed sharding in the Reference section.
Google will use the same mechanism to fetch both sharded and unsharded feeds as
described in Feed delivery with HTTP GET.
After you determine the host location and details for each shard, email the
configuration details of each shard along with the metro areas that the shard
covers to Micromobility partner support.
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Last updated 2023-10-03 UTC.
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