If you run your own nginx server, Rankly reads your access logs through Fluent Bit, a lightweight log forwarder. Fluent Bit tails your access log, keeps the agent traffic, and posts it to Rankly.
Prerequisites. Shell access to your nginx server and a verified domain in Rankly. Your ingest token is in Settings.

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Setup

1

Install Fluent Bit

Follow the Fluent Bit install guide for your OS.
2

Add the Rankly config

Drop this into /etc/fluent-bit/fluent-bit.conf. Rankly fills in your host and token.
fluent-bit.conf
[SERVICE]
    Flush         5
    Log_Level     info
    Parsers_File  parsers.conf

[INPUT]
    Name              tail
    Path              /var/log/nginx/access.log
    Parser            nginx
    Tag               nginx.access
    Refresh_Interval  5

# Keep AI-bot UAs and favicon fetches (the humanity signal)
[FILTER]
    Name    grep
    Match   nginx.access
    Regex   log (GPTBot|ChatGPT-User|OAI-SearchBot|ClaudeBot|Claude-User|PerplexityBot|Perplexity-User|Google-Extended|Bytespider|Amazonbot|Applebot-Extended|GrokBot|CCBot|Meta-ExternalAgent|MistralAI-User|cohere-ai|/favicon|/apple-touch-icon)

[OUTPUT]
    Name              http
    Match             nginx.access
    Host              ingest.tryrankly.com
    Port              443
    URI               /ingest/nginx-agent?tenant=tnt_your_token
    Format            json_lines
    Json_date_key     timestamp
    Json_date_format  iso8601
    tls               on
3

Restart Fluent Bit and test

sudo systemctl restart fluent-bit
curl -A "GPTBot/1.0" https://your-domain.com/
Events appear in Rankly within a minute.
This reads your existing access log, so make sure nginx logs the user-agent (the default combined log format does). No nginx config change is needed for a standard setup.