adds cost of erroneous call

[m4sterbunny]

Description

Clarifies that Calling a non existent method costs 160 credits.
Clarifies that the bullet point list is for HTTP errors.

Issue(s) fixed

Fixes #2471

Preview

Checklist

• If this PR updates or adds documentation content that changes or adds technical meaning, it has received an approval from an engineer or DevRel from the relevant team.
• If this PR updates or adds documentation content, it has received an approval from a technical writer.

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Note

Clarifies HTTP error code billing and adds a 160-credit cost for calls to non-existent JSON-RPC methods in the credit cost docs.

• Docs (pricing/credit-cost):
  • Clarify that the listed error codes refer to HTTP status codes.
  • Add explicit cost for requests to non-existent JSON-RPC methods: 160 credits.

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Project	Deployment	Preview	Comments	Updated (UTC)
metamask-docs	Ready	Preview	Comment	Nov 14, 2025 6:04pm