Voice AIComing SoonReviewed February 2026

Sherlock Calls
for Bolna

Bolna powers voice AI across 100+ languages at sub-300ms latency. Sherlock gives your team the investigation layer — ask any question about agent performance, call outcomes, and costs without building reports.

TL;DR — What this integration will do

  1. 1

    Sherlock Calls connects to your Bolna account via API key — no code changes, no webhooks — giving your team plain-English access to all call data and agent analytics from Slack in under 2 minutes.

  2. 2

    Ask anything about your Bolna voice agents from Slack: 'Which languages have the lowest resolution rate?' 'What is my average latency this week?' — answered in under 5 seconds.

  3. 3

    Sherlock correlates Bolna conversation outcomes across all 100+ supported languages with your CRM and telephony data to give you the full picture without SQL or BI tools.

200K+

Calls/day on Bolna

10+

Indian languages supported

$6.3M

Seed raised (General Catalyst, 2026)

About Bolna

What is Bolna?

Bolna is an India-focused voice AI platform backed by General Catalyst ($6.3M seed, January 2026) and Y Combinator, serving 1,050+ paying customers including Varun Beverages (PepsiCo bottler) and Spinny. Purpose-built for Indian language telephony with 10+ regional languages and sub-300ms latency, Bolna scaled from 1,500 calls/day to 200,000+ calls/day in under a year — a 130x growth — approaching $700K ARR.

About Sherlock Calls

What is Sherlock Calls?

Sherlock Calls is an AI call detective that lives in your Slack workspace. It connects to voice providers, CRMs, and ad platforms, then answers any question about your calls in plain English — in under 5 seconds, with no code, no new dashboards, and no SDK required. Think of it as a senior analyst always on call, inside the tools your team already uses.

Planned Setup

Connect Bolna to Sherlock in 2 minutes — when it launches

No code, no webhooks, no new dashboards. Here's how setup will work.

  1. 1

    Connect Bolna via API key

    Add your Bolna API key in the Sherlock Calls dashboard — read-only access to all calls, agents, and analytics. No code changes or Bolna configuration required.

  2. 2

    Add Sherlock to Slack

    Install the Sherlock Calls Slack app to your workspace in one click. Your team can start asking questions about Bolna calls from any Slack channel immediately.

  3. 3

    Investigate your first multilingual performance query

    Ask 'Which languages have the lowest resolution rate this month?' — Sherlock queries your Bolna data and returns a sourced, ranked answer in under 5 seconds.

Future Use Cases

What teams will ask Sherlock about Bolna

  • SC
    Which languages have the lowest resolution rate on Bolna this month?
  • SC
    What is the average response latency for each of my Bolna agents this week?
  • SC
    Show me all calls where the agent transferred to a human agent
  • SC
    Compare call volume and resolution rates in Hindi vs. English this month
  • SC
    What is my total Bolna spend vs. last month?

Planned Features

What you'll be able to do with Bolna

Multilingual Performance Monitoring

Compare agent resolution rates, escalation rates, and call quality across all 100+ languages supported by Bolna. Identify localization gaps with natural language queries.

Latency Analysis

Monitor response latency trends across your Bolna agents. Surface latency spikes, compare p50/p95/p99 latency by agent or region, and investigate anomalies from Slack.

Call Outcome Investigation

Query Bolna call outcomes — resolutions, transfers, and drop-offs — by agent, language, or date range. Understand performance without navigating dashboards.

Agent Performance Comparison

Compare performance metrics across your Bolna agents. Identify top-performing configurations and underperforming ones with data-driven, natural language analysis.

Cost Tracking

Monitor per-call costs and aggregate spend across all your Bolna agents and languages. Get instant cost breakdowns without building custom billing reports.

Indian Language Specialization

Leverage Bolna's strength in Indian languages — track performance in Hindi, Tamil, Telugu, and other regional languages across your contact center deployments.

AI Tools

5 specialized tools, zero configuration

Sherlock will pick the right tool automatically. You just ask in plain English — the AI will know which APIs to call and how to correlate the results.

listCallsgetCallDetailsgetAgentPerformancegetLanguageMetricsanalyzeLatency

FAQ

Common questions about Sherlock + Bolna

How does Sherlock Calls connect to Bolna?

Sherlock Calls connects to your Bolna account via API key with read-only access. No code changes, no webhooks, and no Bolna configuration is required — setup takes under 2 minutes.

Can Sherlock Calls analyze Bolna multilingual performance?

Yes. Sherlock can compare resolution rates, escalation rates, and call quality across all 100+ languages supported by Bolna — from a single plain English Slack question.

Can Sherlock monitor Bolna response latency?

Yes. Sherlock can query Bolna latency data, surface spikes, and compare latency distributions across agents and time periods — helping you maintain sub-300ms performance targets.

Does Sherlock support Bolna's Indian language specialization?

Yes. Sherlock can filter, compare, and analyze Bolna call data by any supported language including Hindi, Tamil, Telugu, and other regional Indian languages.

How is Sherlock different from Bolna's built-in analytics?

Bolna's analytics are accessed via API or dashboard. Sherlock adds a natural language investigation layer — your entire team can query call data and agent performance from Slack without engineering support.
Coming Soon

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Leave your details and we'll notify you the moment the Bolna integration goes live — plus early access and priority onboarding.