Alsym Energy website screenshot

Alsym Energy

Alsym Energy is a Malden, Massachusetts battery technology company founded in 2015 by Mukesh Chatter, Rahul Mukherjee, and Kripa Varanasi to develop low-cost, high-performance rechargeable batteries that are free of lithium and cobalt. Its Na-Series is a line of non-flammable, non-toxic sodium-ion batteries aimed at grid and utility-scale energy storage, data-center backup, and industrial applications where safety and supply-chain resilience matter. The company uses a proprietary AI/computational-materials platform to accelerate battery chemistry development, and has raised roughly $111M+ including a $78M round in 2024 led by Tata Limited and General Catalyst. Alsym is a hardware/energy-infrastructure manufacturer and does not currently publish a public developer API; this profile captures its identity and public web surface for the API Evangelist network.

Alsym Energy is profiled on the APIs.io network. Tagged areas include Company, Energy Infrastructure, Energy Storage, Batteries, and Sodium-Ion.

Alsym Energy’s developer surface includes engineering blog and 2 more developer resources.

🌐 Visit website 📡 Source on GitHub
7.2/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyEnergy InfrastructureEnergy StorageBatteriesSodium-IonGrid StorageData CentersClean EnergyManufacturingHardware

Kin Score

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scored 2026-07-27 · rubric v0.5
Composite quality — 7.2/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/alsym-energy: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Alsym Energy Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: alsym-energy
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/alsym-energy.png
name: Alsym Energy
description: Alsym Energy is a Malden, Massachusetts battery technology company founded in 2015 by Mukesh Chatter, Rahul Mukherjee,
  and Kripa Varanasi to develop low-cost, high-performance rechargeable batteries that are free of lithium and cobalt. Its
  Na-Series is a line of non-flammable, non-toxic sodium-ion batteries aimed at grid and utility-scale energy storage, data-center
  backup, and industrial applications where safety and supply-chain resilience matter. The company uses a proprietary AI/computational-materials
  platform to accelerate battery chemistry development, and has raised roughly $111M+ including a $78M round in 2024 led by
  Tata Limited and General Catalyst. Alsym is a hardware/energy-infrastructure manufacturer and does not currently publish
  a public developer API; this profile captures its identity and public web surface for the API Evangelist network.
url: https://raw.githubusercontent.com/api-evangelist/alsym-energy/refs/heads/main/apis.yml
x-type: company
x-source: general-catalyst-portfolio
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-17'
tags:
- Company
- Energy Infrastructure
- Energy Storage
- Batteries
- Sodium-Ion
- Grid Storage
- Data Centers
- Clean Energy
- Manufacturing
- Hardware
apis: []
common:
- type: DomainSecurity
  url: security/alsym-energy-domain-security.yml
- type: Website
  url: https://www.alsym.com/
- type: Blog
  url: https://www.alsym.com/newsroom
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence