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Gabriel Barreto

Full-stack dev (Next.js, NestJS, Python). I specialize in Amazon SP-API — Finances v0 migration and settlement/marketplace reconciliation. Free tools + guides in my posts.

Joined on Apr 27, 2026 https://proficientstack.com/sp-api.html

Gabriel Barreto

Sep 8

Why your Amazon payouts never match per order (and how to reconcile the FX gap)

#api

2 min read

Gabriel Barreto

Sep 8

Amazon quietly owes many FBA sellers money. Here's how to reconcile it with the SP-API

#ecommerce

3 min read

Gabriel Barreto

Aug 16

The Finances v0 migration that "passed" and still lost money — 3 reconciliation bugs that survive the cut-over

#amazon #api #node #ecommerce

3 min read

Gabriel Barreto

Aug 15

Amazon Finances v0 is switched off in 13 days — your migration checklist (and the reconciliation gaps no one warns you about)

#amazon #api #node #webdev

2 min read

Gabriel Barreto

Aug 15

Por que seu estoque fura entre o ERP e o Mercado Livre (e quase nunca é a API)

#ecommerce #api #node #webdev

2 min read

Gabriel Barreto

Aug 14

The €3.30 that disappears when you migrate off Amazon's Finances v0

#amazon #api #node #webdev

2 min read

Gabriel Barreto

May 15

migliore altoparlante bluetooth esterno

#ai

5 min read

Gabriel Barreto

May 15

Midjourney vs DALL-E: qual o melhor gerador de imagens por IA?

#ai

4 min read

Gabriel Barreto

May 15

migliore telecamera sorveglianza casa

#ai

4 min read

Gabriel Barreto

May 15

IA para copywriting em português: escrever textos de vendas que convertem

#ai

4 min read

Gabriel Barreto

May 15

meilleur purificateur air allergies

#ai

5 min read

Gabriel Barreto

May 15

meilleure trottinette electrique 2026

#ai

6 min read

Gabriel Barreto

May 15

migliore monitor portatile 2026

#ai

5 min read

Gabriel Barreto

May 15

meilleure brosse a dents electrique

#ai

5 min read

Gabriel Barreto

May 15

meilleur ordinateur portable etudiant

#ai

6 min read

Gabriel Barreto

May 15

meilleur moniteur portable 2026

#ai

6 min read

Gabriel Barreto

May 15

meilleur matelas memoire forme 2026

#ai

5 min read

Gabriel Barreto

May 15

meilleur couteau cuisine 2026

#ai

5 min read

Gabriel Barreto

May 15

mejores auriculares inalambricos 2026

#ai

5 min read

Gabriel Barreto

May 15

mejor freidora aire 2026

#ai

5 min read

Gabriel Barreto

May 15

mejor batidora vaso 2026

#ai

5 min read

Gabriel Barreto

May 15

mejor altavoz bluetooth exterior

#ai

5 min read

Gabriel Barreto

May 15

best resistance bands set

#ai

5 min read

Gabriel Barreto

May 15

best portable monitor 2026

#ai

6 min read

Gabriel Barreto

May 15

best blue light glasses 2026

#ai

5 min read

Gabriel Barreto

May 15

best mechanical keyboard 2026

#ai

5 min read

Gabriel Barreto

May 15

best gaming headset under 100

#ai

5 min read

Gabriel Barreto

May 15

bester tragbarer monitor 2026

#ai

5 min read

Gabriel Barreto

May 15

bester saugroboter 2026

#ai

4 min read

Gabriel Barreto

May 14

Como usar IA para Instagram: posts, captions e stories automáticos

#ai

4 min read

Gabriel Barreto

May 13

ChatGPT para email marketing: como escrever emails que abrem e convertem

#ai

3 min read

Gabriel Barreto

May 12

best electric toothbrush 2026

#ai

5 min read

Gabriel Barreto

May 12

beste smartwatch unter 200 euro

#ai

5 min read

Gabriel Barreto

May 11

best wireless earbuds 2026 uk

#ai

6 min read

Gabriel Barreto

May 11

best vertical mouse ergonomic

#ai

5 min read

Gabriel Barreto

May 10

bester laptop fuer studenten 2026

#ai

5 min read

Gabriel Barreto

May 10

beste heissluftfritteuse 2026

#ai

5 min read

Gabriel Barreto

May 9

meilleur aspirateur robot 2026

#ai

5 min read

Gabriel Barreto

May 9

bester standmixer 2026

#ai

4 min read

Gabriel Barreto

May 8

mejor smartwatch barato 2026

#ai

5 min read

Gabriel Barreto

May 8

mejor silla oficina ergonomica 2026

#ai

5 min read

Gabriel Barreto

May 7

mejor portatil estudiantes 2026

#ai

5 min read

Gabriel Barreto

May 7

mejor monitor portatil 2026

#ai

5 min read

Gabriel Barreto

May 6

mejor colchon viscoelastico 2026

#ai

6 min read

Gabriel Barreto

May 6

best yoga mat thick 2026

#ai

5 min read

Gabriel Barreto

May 6

beste matratze 90x200 2026

#ai

5 min read

Gabriel Barreto

May 6

mejor camara seguridad casa

#ai

4 min read

Gabriel Barreto

May 6

best standing desk 2026 uk

#ai

5 min read

Gabriel Barreto

May 5

bester bluetooth lautsprecher outdoor

#ai

5 min read

Gabriel Barreto

May 5

beste elektrische zahnbuerste

#ai

4 min read

Gabriel Barreto

Apr 30

Como Vender Templates Notion no Etsy em 2026 (Guia Português)

#etsy #notion #produtosdigitais #rendimentopassivo

2 min read

Gabriel Barreto

Apr 30

Prompts de ChatGPT em português: 50 prompts que funcionam

#ai

4 min read

Gabriel Barreto

Apr 30

Memes Portugueses em T-shirt: Humor Luso Vestível

#ai

2 min read

Gabriel Barreto

Apr 30

Os Melhores 5 Geradores de Conteúdo IA Gratuitos para 2026

#ia #ferramentasgrtis #etsy #chatgpt

2 min read

Gabriel Barreto

Apr 30

Melhores alternativas ao ChatGPT em português em 2026

#ai

3 min read

Gabriel Barreto

Apr 30

Jasper AI vale a pena? Review completo em português

#ai

4 min read

Gabriel Barreto

Apr 30

IA para tradutores: o que funciona e o que não funciona

#ai

4 min read

Gabriel Barreto

Apr 30

IA para professores: como preparar aulas em 15 minutos

#ai

4 min read

Gabriel Barreto

Apr 29

IA para escrita criativa: escrever livros e ficção com Claude

#ai

4 min read

Gabriel Barreto

Apr 29

IA para contabilistas: automatizar o dia-a-dia com Claude e ChatGPT

#ai

3 min read

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