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DosePlot Pharmacokinetic Curve Simulator
x402
DosePlot Pharmacokinetic Curve Simulator is a paid API for AI agents from api.doseplot.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
Simulates serum concentration curves for a specified compound over a dosing window plus 60-day washout tail using published pharmacokinetic models
Price / call$0.01
Success—
StatusUnknown
How this service works
Pharmacokinetic simulation for one compound: walks the published model at one dose and cadence and returns the modelled serum curve over the requested horizon plus a 60-day washout tail. Deterministic math over published reference data -- not medical advice, not a prescription, and for relay to a human decision-maker rather than autonomous administration.
Output
Returns a time-series of modelled serum concentration values sampled at the requested resolution across the full dosing window plus a 60-day washout tail, based on published pharmacokinetic reference data for the specified compound.
Example use cases
Weekly TRT protocol serum modeling
“Model the serum concentration curve for testosterone cypionate at 100mg injected once per week for 52 weeks — I want to see the full curve plus the washout period at 24 samples per day.”
Comparing peak and trough for split dosing
“Run a PK simulation for nandrolone decanoate at 200mg per injection, given twice per week over 12 weeks — I want to see how the serum levels look across the dosing window and the 60-day tail after stopping.”
Estimating clearance before a drug test
“I stopped taking a compound 3 weeks ago and want to see the predicted serum levels during washout — can you model testosterone undecanoate at 1000mg injected once every 12 weeks for 24 weeks so I can see the decay curve after the last dose?”
Technical details
Endpoint
POSThttps://api.doseplot.com/v1/pk/curve?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a deterministic, mathematically rigorous serum concentration time-series for a specific compound based on published PK model parameters — particularly for injectable compounds with known half-lives. Prefer this over general drug information APIs when you need a full numerical curve (not just a half-life estimate), need to model a specific dosing cadence, or need to visualize the washout tail after cessation.
Side effects
- 422 route_unsupported_for_compound — the specified administration route is not published for the given compound
- 422 unit_unsupported_for_compound — dose unit (IU, mcg) lacks a published conversion for the compound
- 400 or 422 if compound ID/slug/alias is not recognized
- dose value of 0 or negative rejected (exclusiveMinimum:0)
- duration_weeks outside 1–260 range rejected
- injections_per_week outside 0.25–21 range rejected
- Payment failure if x402 USDC payment is not settled before the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| route | string | One of the compound's published routes (see /v1/compounds/{idOrSlug}); a string this compound does not publish is 422 route_unsupported_for_compound. Omitted, the compound's primary route is used. |
| dose_iu | number | Dose per injection in the compound's activity unit. Requires a published conversion for that compound, else 422 unit_unsupported_for_compound. |
| dose_mg | number | Dose per injection, milligrams. |
| compound | string | Canon id, slug, or alias. Slug and alias matching is case-insensitive. |
| dose_mcg | number | Dose per injection, micrograms. |
| duration_weeks | integer | Length of the dosing window. The model always adds a 60-day washout tail. |
| samples_per_day | integer | Sample resolution of the returned series. |
| injections_per_week | number | Injections per WEEK -- not per day. The name is the contract: a per-day reading of the same number changes the accepted dose range by 7x. |
Tags
x402
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