generated: '2026-09-19'
method: searched
source: https://phoslabs.io/credits
docs: https://phoslabs.io/terms
machine_readable: plans/phoslabs-io-api-v1-tools.json
plan_count: 3
currency: EUR
model: Prepaid credit packs (1 credit = EUR 0.01) debited per tool call; free starter credits; x402 USDC per-call micropayments stated but not verifiable
plans:
- id: free-credits
  name: Free starter credits
  price: 0
  currency: EUR
  period: null
  included: ['20 free credits on connecting the MCP (credits page)', '100 free credits for a new account (README)', 'audit tool at 0 credits, unlimited by price']
  quotes: ['Your agent gets 20 free credits to start', 'New accounts get 100 free credits to try any tool.']
  note: The provider states two different starter figures on two of its own surfaces; both are recorded.
- id: starter
  name: Starter
  price: 5
  currency: EUR
  period: per pack (one-time)
  included_credits: 500
  per_credit: 0.01
  checkout: https://buy.stripe.com/aFaeVe7wW1El2DS43bdIA00
  quote: 'Starter €5 /pack 500 credits €0.01 per credit'
- id: standard
  name: Standard
  price: 20
  currency: EUR
  period: per pack (one-time)
  included_credits: 2000
  per_credit: 0.01
  badge: MOST POPULAR
  checkout: https://buy.stripe.com/bJe3cw2cCaaR6U8czHdIA01
  quote: 'Standard €20 /pack 2,000 credits €0.01 per credit'
- id: pro
  name: Pro
  price: 100
  currency: EUR
  period: per pack (one-time)
  included_credits: 10000
  per_credit: 0.01
  checkout: https://buy.stripe.com/3cI6oI04ubeV92geHPdIA02
  quote: 'Pro €100 /pack 10,000 credits €0.01 per credit'
per_call_prices:
  source: GET https://phoslabs.io/api/v1/tools (anonymous, 2026-09-19)
  currency: EUR
  tools:
  - {tool: audit, endpoint: POST /api/v1/audit, credits: 0, price: 0.0}
  - {tool: diagnose, endpoint: POST /api/v1/diagnose, credits: 10, price: 0.1}
  - {tool: fix-checkout, endpoint: POST /api/v1/fix-checkout, credits: 30, price: 0.3}
  - {tool: copy, endpoint: POST /api/v1/copy, credits: 20, price: 0.2}
  - {tool: pricing, endpoint: POST /api/v1/pricing, credits: 25, price: 0.25}
  - {tool: detect-biases, endpoint: POST /api/v1/detect-biases, credits: 8, price: 0.08}
  mcp: 'Credits page: "Tool calls cost up to 40 credits, and some cost nothing." Per-tool MCP prices are not published anonymously.'
  readme_discrepancy: 'The README (2026-04-04) prices audit at 80, pricing at 15, copy at 12 and lists nine further tools (8-15 credits each) that the live listing does not serve; the live JSON is treated as current.'
x402:
  stated: 'Terms §3: "x402 USDC micropayments on Base L2 are accepted for individual API calls." README: x402 Micropayments at phoslabs.io/x402/*.'
  verified: false
  probe: 'GET and POST /x402/diagnose and /x402/audit -> 403 {"error": "Unauthorized"} on 2026-09-19; no 402 challenge; not in the CDP x402 discovery index.'
  per_call_price: unpublished
overage: not applicable (prepaid; calls fail with HTTP 402 Insufficient credits at zero balance)
refunds: 'Terms §3: "Nothing refunds credits automatically. Mail support@phoslabs.io and a person reads it and replies."'
payment_processor: Stripe (EUR); Stripe Payment Links, all three 200 on 2026-09-19
higher_limits:
  route: none published
  self_serve: false
notes:
- The credits page is the only price list; the README's USD prices ($5/$20/$100) are the same numbers in a different currency and are superseded by the EUR page and the EUR-denominated live listing.
- No subscription, no enterprise tier, no quota table beyond credits.