Public SP-API Solution Provider

Amazon analytics & account management for cross-border sellers.

Ecomstone Vietnam is a public Selling Partner API solution provider helping Amazon sellers expand internationally. We deliver listing optimization, BSR analytics, PPC management, and account services through transparent, tiered engagements.

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100+
Brands Served
5+
Years Experience
3
Marketplaces (US/EU/AU)
100%
Client Approval Workflow
01 / Solutions

Three integrated solutions for cross-border Amazon growth.

We deliver three core solution areas built on top of Selling Partner API integration — from listing intelligence to account operations. Each solution combines automated SP-API analytics with senior-led account management.

SOLUTION 01
Listing & Search Intelligence
AI-era listing optimization powered by our proprietary R.U.F.U.S Score™ framework — five weighted dimensions designed for the next generation of Amazon search (Rufus, ChatGPT Shopping, Google AI Overview). Includes title/bullet rewrites, A+ Content recommendations, and Search Query Performance analysis.
SOLUTION 02
Performance Analytics & Reporting
Real-time dashboards combining BSR rank tracking, sales velocity, inventory levels, and Amazon Ads performance. T+30/T+60 measurement cycles provide data-driven proof of performance after every optimization, delivered via custom Google Sheets dashboards.
SOLUTION 03
Account Operations & Compliance
End-to-end Amazon account management — Sponsored Ads campaigns, Account Health monitoring, listing suppression resolution, Brand Registry support, and cross-border launch coordination for Vietnamese and SE-Asian brands expanding to US, EU, and AU marketplaces.

Explore Our Service Pages

Detailed information about our services, methodology, and tools across the Ecomstone website:

📋

Full Service Catalog

3-stage engagement model: consulting, setup, and growth — with R.U.F.U.S Score™ framework details.

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🤖

AI Listing Optimizer

Free tool to analyze your Amazon listings against the R.U.F.U.S Score™ — get a sample audit instantly.

Try the tool →
🏢

About Ecomstone

Company background, team, case studies, and 100+ brands we have helped expand globally since 2019.

About us →
🔐

Connect Your Account

Secure OAuth authorization flow for Amazon Ads API and Selling Partner API integration.

Authorize →
02 / Pricing

Transparent, tiered pricing — no hidden fees.

Three engagement tiers for sellers at different growth stages. Service fees are separate from Amazon advertising spend; clients pay Amazon directly for media costs.

Tier 01
Ads Management

For sellers who need senior-level PPC operations without listing optimization.

$1,000 / month

3-month minimum engagement

  • Sponsored Products, Brands, Display management
  • Negative keyword harvesting (weekly)
  • Bid optimization & dayparting
  • 14-day & 30-day audit reports (PDF)
  • Search term performance analysis
  • Seasonal campaign planning
  • Up to 1 marketplace (US, EU, or AU)
  • Listing optimization not included
  • Inventory reporting not included
Request Engagement →
Tier 02
Ads + Listings

Our most popular tier — combined PPC and R.U.F.U.S listing optimization.

$2,000 / month

3-month minimum engagement

  • Everything in Tier 01
  • R.U.F.U.S Score™ listing audit (quarterly)
  • Listing rewrite (title, bullets, description)
  • Backend keyword optimization
  • A+ Content recommendations
  • BSR tracking with T+30/T+60 reports
  • Up to 2 marketplaces
  • Up to 20 ASINs
  • Bi-weekly strategy calls
Request Engagement →
Tier 03
Full-Service

Custom engagement for high-volume sellers, brands, or agencies needing white-label support.

Custom

Quote-based · 6-month minimum

  • Everything in Tier 02
  • Unlimited ASINs
  • All marketplaces (US, EU, AU, JP)
  • Account Health monitoring (daily)
  • Brand Registry support
  • Cross-border launch coordination
  • Inventory & reorder forecasting
  • Dedicated account manager
  • Weekly strategy calls + Slack channel
  • Performance-based pricing available
Get Custom Quote →

Pricing Notes & Sample Quotes

  • Ad spend separation: Service fees are separate from Amazon advertising spend. Clients pay Amazon directly for media costs.
  • Sample Tier 03 quote — Skincare brand, 50 ASINs, US+EU: $4,500/month base + $1,500/month inventory module = $6,000/month total. Pricing depends on ASIN count, marketplaces, and complexity.
  • Sample Tier 03 quote — Beauty agency, white-label for 3 sub-clients: $7,500/month flat fee for combined account management across all sub-clients.
  • Performance-based option (Tier 03 only): Lower base fee + 5-10% commission on incremental revenue (above 30-day baseline). Available for clients with $50,000+ monthly GMV.
  • Onboarding fee: $500 one-time for Tier 02, $1,500 one-time for Tier 03. Covers initial audit, account access setup, and reporting infrastructure.
  • Cancellation: 30-day written notice after minimum engagement period.
03 / Data Access

SP-API roles we use, and why.

Following Amazon's principle of least privilege, we request only SP-API roles directly required for the services we deliver. We never access PII (customer names, addresses, payment data).

Role
Purpose & Use Case
Status
Product Listing
Read current listing content (title, bullets, description, A+ Content) for R.U.F.U.S audits. Push optimized content after written client approval.
Approved
Pricing
Read current pricing data for benchmarking and repricing recommendations.
Approved
Selling Partner Insights
Account performance metrics, BSR data, and category benchmarking for analytics reporting.
Approved
Inventory and Order Tracking
Daily and weekly performance reports — sales, orders, inventory levels. Read-only, no order modifications.
Approved
Brand Analytics
Search Query Performance reports for keyword research and competitive analysis. Required for the Findability dimension (20% weight) of our R.U.F.U.S Score™ framework — without it, we cannot accurately score listings against AI-era search readiness.
Requested
Notifications
Real-time notifications about listing changes, account health events, and inventory alerts.
Approved
04 / Data Protection

Five commitments we make to every client.

We comply with Amazon's Data Protection Policy, Acceptable Use Policy, and Solution Provider Agreement. Below are the operational commitments in every engagement. Detailed legal documents: Terms · Privacy · DPA.

COMMITMENT 01
No data resale
We never sell, rent, or share Amazon Information with unauthorized third parties or marketing agencies. Client data is segregated by account.
COMMITMENT 02
Encryption at rest & in transit
All data stored in encrypted Google Workspace with restricted access via service account. TLS 1.2+ enforced for all API communications. MFA enabled on admin accounts.
COMMITMENT 03
Deletion on request
Clients can request immediate deletion of their data at any time. We delete all stored data within 5 business days of receiving a written deletion request.
COMMITMENT 04
No AI training on client data
We never use client data to train external AI models or build aggregated benchmarks for resale. Client data is used only to deliver the contracted service.
COMMITMENT 05
Approval-based execution
No account modification (listing change, campaign change, inventory action) is executed without explicit written client approval. All actions logged to an immutable audit trail.

Trusted by 100+ brands going global

Selected clients across skincare, beauty, paper goods, food, and home categories

Cỏ Cây Hoa Lá
Personal Care
Tanisa
Food
Emani
Beauty
Nowater
Skincare
Dokma
Home
Fuwa3e
Personal Care
eHerbal
Wellness
Rhino Sports
Sports
Flowyline
Home Decor
CWStudio
Lifestyle
Sunhouse
Home
Newbam
Personal Care

Ready to see what your listings could be?

Send us your Amazon storefront URL or 1-3 ASINs, and we'll send back a sample R.U.F.U.S Score™ audit within 5 business days — no obligation, no payment required.

Request Free Audit → Or View Pricing