README.md

Weights & Biases (weights-and-biases)

Weights & Biases is the ML developer platform for experiment tracking, model registry, artifact management, sweeps, reports, and (Weave) GenAI evaluation. The W&B API is primarily a GraphQL endpoint, surfaced through a Python wandb.Api SDK.

APIs.json: https://raw.githubusercontent.com/api-evangelist/weights-and-biases/refs/heads/main/apis.yml

Tags

• ML
• MLOps
• Experiment Tracking
• Model Registry
• GenAI

Timestamps

• Created: 2026-05-08
• Modified: 2026-05-08

APIs

W&B GraphQL API

The W&B Public API is a GraphQL endpoint at https://api.wandb.ai/graphql. It backs the Python wandb.Api() SDK and exposes runs, projects, sweeps, artifacts, reports, registries, and automations. Authentication is via API key.

• Human URL: https://docs.wandb.ai/ref/python/public-api/api/
• Base URL: https://api.wandb.ai/graphql

Tags

• GraphQL
• Experiments
• Runs
• Artifacts
• Sweeps

Properties

• Documentation
• Authentication
• SDK
• Postman Collection — Postman Collection 2.1
• Open Collection — Open Collection 1.0

W&B Import API (HTTP)

The wandb client uses an HTTP file/import endpoint to push run metrics, system stats, and artifacts. Generally accessed through the SDK rather than directly.

• Human URL: https://docs.wandb.ai/guides/track/log/
• Base URL: https://api.wandb.ai/files

Tags

• HTTP
• Logging
• Ingestion

Properties

• Documentation
• Postman Collection — Postman Collection 2.1
• Open Collection — Open Collection 1.0

Common Properties

• Website
• Portal
• Pricing
• Source Code
• Plans
• Rate Limits
• Fin Ops

Maintainers

FN: Kin Lane Email: kin@apievangelist.com