The API Report CardAPI Index
Narvar

Narvar API

Post-Purchase / Retail Ecommerce · narvar.com

Narvar has a real REST API and first-class returns webhooks, but the developer docs sit behind a merchant login on its support center. Auth is HTTP Basic only, with credentials from the merchant portal. Public artifacts are limited to a status page and partial third-party specs.

Last verified: August 2026Retail & EcommerceNO MCP
API GRADE
D
VERIFIED AUG 2026

SCORECARD

ExistencePOORA returns and RMA REST API exists, but the first-party reference sits behind a merchant login; only partial specs are public.
AccessPOORRequires a merchant relationship; credentials are created in the merchant portal and the docs need a merchant login to read.
CoveragePOORReturns and RMA flows are the documented surface, plus a refund approval endpoint; broader tracking data lacks a public reference.
AuthPOORHTTP Basic Auth only; no OAuth, API key header, or JWT is documented publicly.
Docs & DXPOORFirst-party docs sit behind a merchant login on the support center; public artifacts are a status page and third-party specs.
StabilityMIXEDWebhook events carry version, signature, and replay protection headers, but lifecycle policy sits behind the merchant login.
MCPNONENo official or community MCP server was found for Narvar in the MCP registry or on GitHub. VERIFIED 2026-08
Supergood turns hard-to-integrate enterprise software into clean REST APIs and MCP tools: stable endpoints, normalized JSON, managed auth.

Frequently asked questions

Narvar scores D on Supergood's API Report Card. Narvar has a real REST API and first-class returns webhooks, but the developer docs sit behind a merchant login on its support center. Auth is HTTP Basic only, with credentials from the merchant portal. Public artifacts are limited to a status page and partial third-party specs.

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