# Builders FirstSource

**Canonical:** https://apis.io/providers/builders-firstsource/  
**Website:** https://www.bldr.com  
**APIs profiled:** 0

Builders FirstSource (NYSE: BLDR) is the nation's largest supplier and manufacturer of structural building products, value-added components, and construction services to the professional market for single-family and multi-family construction. The company operates approximately 570 locations across 43 states with 28,000 team members, headquartered in Irving, Texas. Its product portfolio includes lumber, manufactured components, doors, windows, millwork, cabinets, and roofing, complemented by digital procurement and project management tools through the myBLDR platform.

## Kin Score — 4.6 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 4.6).

| Facet | Score |
|---|---|
| Discoverability | 40.7 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Builders Firstsource Domain Security** — TLSv1.3 · HSTS · DMARC

## Use cases (3)

- **Digital Project Management**
- **Material Supply and Procurement**
- **Construction Services**

## Tags

Building Materials, Construction, Manufacturing, Supply Chain

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/builders-firstsource/). Scores are computed from the provider's own public artifacts under a published rubric.