Unigrid

UNIGRID Inc. is a San Diego-based sodium-ion battery company founded in 2021 out of UC San Diego Ph.D. research by Dr. Darren H. S. Tan and Dr. Erik A. Wu. Its sodium chromium oxide (NCO) chemistry and alloy anode technology deliver fire-safe, fully passive batteries rated for 30,000+ cycles and -40C to 60C operation, sold as 12V starter batteries (Na+ Fleet), BMS-less rack modules (Na+ Module), residential energy storage (Na+ Casa), and DC rack systems for commercial, industrial, and data center use (Na+ Cleo). Cells are UN38.3 and UL 9540A certified. Backed by Transition VC, Ritz Venture Capital, Union Square Ventures, and Foothill Ventures via an oversubscribed $12M Series A (2024); shipped its first sodium-ion residential batteries in July 2026. UNIGRID publishes no public API or developer program.

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

Unigrid’s developer surface includes product news and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyBatteriesSodium-IonEnergy StorageEnergyHardwareData CentersVenture Backed

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 6.8/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 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

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Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Contact

Contact

Company 3

The organization behind the API

Website

Website

News

News

LinkedIn

Source (apis.yml)

aid: unigrid
name: Unigrid
description: UNIGRID Inc. is a San Diego-based sodium-ion battery company founded in 2021 out of UC San Diego Ph.D. research
  by Dr. Darren H. S. Tan and Dr. Erik A. Wu. Its sodium chromium oxide (NCO) chemistry and alloy anode technology deliver
  fire-safe, fully passive batteries rated for 30,000+ cycles and -40C to 60C operation, sold as 12V starter batteries (Na+
  Fleet), BMS-less rack modules (Na+ Module), residential energy storage (Na+ Casa), and DC rack systems for commercial, industrial,
  and data center use (Na+ Cleo). Cells are UN38.3 and UL 9540A certified. Backed by Transition VC, Ritz Venture Capital,
  Union Square Ventures, and Foothill Ventures via an oversubscribed $12M Series A (2024); shipped its first sodium-ion residential
  batteries in July 2026. UNIGRID publishes no public API or developer program.
url: https://raw.githubusercontent.com/api-evangelist/unigrid/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- union-square-ventures
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
image: https://unigridbattery.com/wp-content/uploads/2026/07/Safety.svg
tags:
- Company
- Batteries
- Sodium-Ion
- Energy Storage
- Energy
- Hardware
- Data Centers
- Venture Backed
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://unigridbattery.com/
- type: News
  url: https://unigridbattery.com/news/
- type: Contact
  url: https://unigridbattery.com/contact/
- type: LinkedIn
  url: https://www.linkedin.com/company/unigrid-inc
- type: DomainSecurity
  url: security/unigrid-domain-security.yml
- type: LLMsTxt
  url: llms/unigrid-llms.txt
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 3
  pass: local-v1