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Get Started Free →Guides Stripe integration decisions — API selection (Checkout Sessions vs PaymentIntents), Connect platform setup (Accounts v2, controller properties), billing/subscriptions, Treasury financial accounts, integration surfaces (Checkout, Payment Element), migrating from deprecated Stripe APIs, and security best practices (API key management, restricted keys, webhooks, OAuth). Use when building, modifying, or reviewing any Stripe integration — including accepting payments, building marketplaces, in
.claude/skills/asymmetric-al-stripe-best-practices/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 4% | 0% |
| case-02 | ✗→✓ | ▲ Improved | 0% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -16% | 0% |
| case-07 | ✗→✓ | ▲ Improved | 62% | 0% |
| case-09 | ✗→✓ | ▲ Improved | 27% | 0% |
Latest Stripe API version: 2026-04-22.dahlia. Always use the latest API version and SDK unless the user specifies otherwise.
API key default: Always recommend a restricted API key (RAK) (rk_ prefix) over a secret key (sk_ prefix).
| Building… | Recommended API | Details | | ------------------------------------------------------------------------ | ----------------------------------- | ------------------------ | | One-time payments | Checkout Sessions | <references/payments.md> | | Custom payment form with embedded UI | Checkout Sessions + Payment Element | <references/payments.md> | | Saving a payment method for later | Setup Intents | <references/payments.md> | | Connect platform or marketplace | Accounts v2 (/v2/core/accounts) | <references/connect.md> | | Subscriptions or recurring billing | Billing APIs + Checkout Sessions | <references/billing.md> | | Embedded financial accounts / banking | v2 Financial Accounts | <references/treasury.md> | | Security (key management, RAKs, webhooks, OAuth, 2FA, Connect liability) | See security reference | <references/security.md> |
Read the relevant reference file before answering any integration question or writing code.
payment_method_types in any Stripe API call, with one exception: Terminal (in-person payments) integrations must pass payment_method_types: ['card_present'] on the PaymentIntent. For all other integrations, omit this parameter entirely to enable dynamic payment methods, which enables you to configure payment method settings from the Dashboard and dynamically display the most relevant eligible payment methods to each customer to maximize conversion. To customize which payment methods you accept, use payment_method_configurations or excluded_payment_method_types instead of payment_method_types.When the user’s request does not clearly fit a single domain above, consult:
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-20 | pass→pass | 10,469 | 7,670 | -27% | 1 | 1 | 0% | 2,001 | 2,197 | +10% | 0 | 0 | — |
case-21 | pass→pass | 14,498 | 13,062 | -10% | 1 | 1 | 0% | 2,460 | 3,060 | +24% | 0 | 0 | — |
case-01 | fail→pass | 11,078 | 7,837 | -29% | 1 | 1 | 0% | 2,047 | 2,124 | +4% | 0 | 0 | — |
case-02 | fail→pass | 13,546 | 9,874 | -27% | 1 | 1 | 0% | 2,354 | 2,351 | -0% | 0 | 0 | — |
case-03 | fail→pass | 16,440 | 9,961 | -39% | 1 | 1 | 0% | 2,872 | 2,407 | -16% | 0 | 0 | — |
case-22 | pass→pass | 16,143 | 13,155 | -19% | 1 | 1 | 0% | 3,015 | 3,194 | +6% | 0 | 0 | — |
case-04 | pass→pass | 9,375 | 6,132 | -35% | 1 | 1 | 0% | 1,668 | 1,737 | +4% | 0 | 0 | — |
case-05 | pass→pass | 10,703 | 3,985 | -63% | 1 | 1 | 0% | 1,769 | 1,300 | -27% | 0 | 0 | — |
case-06 | pass→pass | 10,718 | 8,311 | -22% | 1 | 1 | 0% | 1,752 | 2,089 | +19% | 0 | 0 | — |
case-07 | fail→pass | 11,779 | 12,911 | +10% | 1 | 1 | 0% | 1,880 | 3,053 | +62% | 0 | 0 | — |
case-08 | pass→pass | 9,411 | 5,191 | -45% | 1 | 1 | 0% | 1,425 | 1,569 | +10% | 0 | 0 | — |
case-09 | fail→pass | 16,141 | 14,069 | -13% | 1 | 1 | 0% | 2,577 | 3,284 | +27% | 0 | 0 | — |
case-10 | fail→pass | 7,710 | 5,347 | -31% | 1 | 1 | 0% | 1,238 | 1,428 | +15% | 0 | 0 | — |
case-11 | fail→pass | 7,832 | 2,662 | -66% | 1 | 1 | 0% | 1,361 | 1,029 | -24% | 0 | 0 | — |
case-12 | pass→pass | 6,937 | 5,949 | -14% | 1 | 1 | 0% | 1,227 | 1,539 | +25% | 0 | 0 | — |
case-13 | fail→pass | 15,602 | 12,659 | -19% | 1 | 1 | 0% | 2,909 | 3,077 | +6% | 0 | 0 | — |
case-14 | pass→pass | 11,292 | 5,464 | -52% | 1 | 1 | 0% | 1,759 | 1,574 | -11% | 0 | 0 | — |
case-15 | pass→pass | 9,281 | 4,157 | -55% | 1 | 1 | 0% | 1,540 | 1,253 | -19% | 0 | 0 | — |
case-16 | fail→pass | 11,328 | 3,664 | -68% | 1 | 1 | 0% | 1,881 | 1,240 | -34% | 0 | 0 | — |
case-17 | pass→pass | 14,263 | 9,157 | -36% | 1 | 1 | 0% | 2,477 | 2,057 | -17% | 0 | 0 | — |
case-18 | pass→pass | 9,652 | 7,395 | -23% | 1 | 1 | 0% | 1,592 | 1,813 | +14% | 0 | 0 | — |
case-19 | fail→pass | 12,190 | 4,087 | -66% | 1 | 1 | 0% | 1,994 | 1,274 | -36% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +45 percentage points is the difference between those two pass rates over the 22 comparable cases.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.