# PaymentsTherapist Blog

> PaymentsTherapist publishes practical, operator-oriented analysis of the payments ecosystem for banks, ISOs, PayFacs, ISVs, SaaS platforms, fintech companies, merchants, and investors.

## Key Topics

- [Blog Overview](https://www.paymentstherapist.com/lms/blog/index.md): Agent-readable guide to the main knowledge areas covered by PaymentsTherapist.
- [Agentic Commerce and Chargeback Liability](https://www.paymentstherapist.com/blog/who-gets-the-chargeback-when-the-customer-blames-the-robot): AI-initiated transactions, delegation, intent, evidence, and dispute liability.
- [Vendor Risk](https://www.paymentstherapist.com/blog/your-vendor-risk-program-is-about-to-get-more-risk-based): Risk-based third-party oversight and vendor governance.
- [PCI Program Ownership](https://www.paymentstherapist.com/blog/your-pci-assessment-is-not-your-pci-program): Why passing an assessment is not the same thing as running a sustainable PCI program.
- [Processor and Merchant Risk](https://www.paymentstherapist.com/blog/the-ftc-just-hit-two-payment-processors-in-four-days-pay-attention): Processor accountability, underwriting, merchant monitoring, and upstream risk.
- [Payments Cost and Margin](https://www.paymentstherapist.com/blog/stop-calling-it-payments-revenue-until-you-understand-payments-cost): Interchange, network fees, processor fees, fraud, disputes, support, compliance, and actual payment margin.
- [Card Network Economics](https://www.paymentstherapist.com/blog/card-brands-changed-the-rules-again-margin): How network-rule and fee changes affect platform economics.
- [Tokenization Portability](https://www.paymentstherapist.com/blog/everybody-loves-tokenization-until-they-try-to-leave-their-processor): Token ownership, portability, migration, recurring billing, and processor lock-in.
- [Tokenization Fundamentals](https://www.paymentstherapist.com/blog/demystifying-tokenization-in-payments): Vaults, Credential-on-File, network tokens, recurring transactions, and PCI.
- [Private Equity Payments Strategy](https://www.paymentstherapist.com/blog/private-equity-your-processors-know-more-about-your-portfolio-than-you-do): Portfolio-level payment economics, contracts, dependencies, and monetization.
- [Processor Economics](https://www.paymentstherapist.com/blog/your-processor-knows-how-youre-losing-money): Authorization data, ISO 8583, token lifecycle, retry behavior, interchange, and processor margin.
- [Fraud and Chargebacks](https://www.paymentstherapist.com/blog/when-good-sales-go-bad-the-trap-thats-killing-your-chargeback-ratio): Affiliate fraud, chargeback ratios, monitoring, and root causes.

## Optional

- [Root llms.txt](https://www.paymentstherapist.com/llms.txt): Overall PaymentsTherapist guide.
- [Full AI context](https://www.paymentstherapist.com/llms-full.txt): Expanded context.
- [Blog data source](https://www.paymentstherapist.com/data.yml): Structured blog content source.