POST /api/strategies/:strategyId/fork

Account required · HTTP API reference

All endpoints · Authentication and retries · Download OpenAPI

Requires a signed-in account and permission to access this resource. Use identifiers returned by your own account's earlier requests.
The published source must be forkable. The returned draft belongs to the requesting account; this does not modify the published source.
Protected writes require an allowed Origin, the CSRF cookie and matching X-CSRF-Token header.

Request

Parameter	Location	Type and requirement
`strategyId`	path	string · required
`x-idempotency-key`	header	string · required Pattern: `^[A-Za-z0-9_-]{8,128}$`
`Origin`	header	string · required An origin allowed by this deployment.
`X-CSRF-Token`	header	string · required Must match the CSRF cookie issued to this browser.

Body · application/json

templateKey optional · "tp_sl_two_stage_nsga2_v1"

cluster optional · "dev"

executionPlan optional · object

View executionPlan model

mode required · "stage_a_only" | "stage_b_only" | "stage_a_to_b"

stageASourceRunId required · null | string

View stageASourceRunId model

Variant 1: null

null

Variant 2: string

string

stageAStudyName optional · null | string

View stageAStudyName model

Variant 1: null

null

Variant 2: string

string

stageAComponent optional · null | object

View stageAComponent model

Variant 1: null

null

Variant 2: object

sourceKind required · "weavers_preset"

componentType required · "stage_a" | "stage_b"

componentKey required · string

Variant 3: object

sourceKind required · "notebook_component"

componentType required · "stage_a" | "stage_b"

componentKey required · string

stageBComponent optional · null | object

View stageBComponent model

Variant 1: null

null

Variant 2: object

sourceKind required · "weavers_preset"

componentType required · "stage_a" | "stage_b"

componentKey required · string

Variant 3: object

sourceKind required · "notebook_component"

componentType required · "stage_a" | "stage_b"

componentKey required · string

canvas required · null | object

View canvas model

Variant 1: null

null

Variant 2: object

version required · 1

nodes required · array of object

View nodes model

Array items:

id required · string

kind required · "stage_a_trainer" | "stage_b_entry_gate" | "stage_b_feasibility_gate" | "stage_b_optimizer"

x required · number

y required · number

edges required · array of object

View edges model

Array items:

id required · string

source required · string

target required · string

stageAUniverseSource optional · null | object

View stageAUniverseSource model

Variant 1: null

null

Variant 2: object

type required · "base"

Variant 3: object

type required · "platform_niche"

nicheId required · number

nicheKey required · string

Variant 4: object

type required · "ticker_pool"

symbols required · array of string

View symbols model

Array items:

string

stageADataSelectors optional · null | object

View stageADataSelectors model

Variant 1: null

null

Variant 2: object

matchMode required · "all" | "any"

selectors required · array of object

View selectors model

Array items:

Variant 1: object

type required · "channel"

timeframe required · "1d" | "4h" | "1h"

windowDays required · number

directions required · array of "ascending" | "descending"

View directions model

Array items:

"ascending" | "descending"

requireValid required · boolean

algoVersion optional · string

characteristics optional · object

View characteristics model

states optional · array of "new" | "continuing"

View states model

Array items:

"new" | "continuing"

minR2 optional · number

maxR2 optional · number

minBandPosition optional · number

maxBandPosition optional · number

minBandWidthRatio optional · number

maxBandWidthRatio optional · number

minNormalizedSlope optional · number

maxNormalizedSlope optional · number

minConsecutiveRuns optional · number

maxConsecutiveRuns optional · number

missingDataPolicy required · "skip_and_log"

Variant 2: object

type required · "regime"

source required · "snapshot"

regime required · "bull" | "bear" | "stable"

minConfidence required · number

missingDataPolicy required · "skip_and_log"

parameters optional · object

View parameters model

dataProvider required · "alpaca"

publishBenchmarkSymbol required · "SPY"

objectivePreset required · "balanced" | "return_focus" | "risk_focus"

workerCount required · number

startDate required · null | string

View startDate model

Variant 1: null

null

Variant 2: string

string

endDate required · null | string

View endDate model

Variant 1: null

null

Variant 2: string

string

equitiesOnly required · boolean

excludeEtfs required · boolean

excludeIndiaEtfs required · boolean

stageATrials required · number

stageA2Mode required · "disabled" | "auto"

stageA2Trials required · number

stageAToA2Threshold required · number

stageA2HorizonBars required · number

stageA2LabelMinUpPct required · number

stageA2PredictorFeaturesCsv required · string

stageBTrials required · number

stageBExecutionTimeframe required · "1d" | "4h" | "1h"

stageBMaxHoldingBars required · number

lookbackYears required · number

trainMonths required · number

valMonths required · number

stepMonths required · number

purgeDays required · number

holdoutMonths required · number

holdoutStartDate optional · null | string

View holdoutStartDate model

Variant 1: null

null

Variant 2: string

string

horizonBars required · number

labelMinUpPct required · number

stageAFeatureTimeframe required · "1d"

predictorFeaturesCsv required · string

stageADecisionThreshold required · number

entryFilters optional · null | object

View entryFilters model

Variant 1: null

null

Variant 2: object

schema_version required · 1

bar required · "1d"

condition required · object

View condition model

Variant 1: object

op required · "cross_above" | "cross_below" | "gt" | "gte" | "lt" | "lte"

left required · number | object

View left model

Variant 1: number

number

Variant 2: object

field required · "close" | "volume"

Variant 3: object

indicator required · "sma" | "ema" | "rsi" | "atr"

period required · number

Variant 4: object

indicator required · "macd"

fast required · number

slow required · number

signal required · number

component required · "line" | "signal" | "histogram"

right required · number | object

View right model

Variant 1: number

number

Variant 2: object

field required · "close" | "volume"

Variant 3: object

indicator required · "sma" | "ema" | "rsi" | "atr"

period required · number

Variant 4: object

indicator required · "macd"

fast required · number

slow required · number

signal required · number

component required · "line" | "signal" | "histogram"

Variant 2: object

op required · "and" | "or"

conditions required · array of object

View conditions model

Array items:

op required · "cross_above" | "cross_below" | "gt" | "gte" | "lt" | "lte"

left required · number | object

View left model

Variant 1: number

number

Variant 2: object

field required · "close" | "volume"

Variant 3: object

indicator required · "sma" | "ema" | "rsi" | "atr"

period required · number

Variant 4: object

indicator required · "macd"

fast required · number

slow required · number

signal required · number

component required · "line" | "signal" | "histogram"

right required · number | object

View right model

Variant 1: number

number

Variant 2: object

field required · "close" | "volume"

Variant 3: object

indicator required · "sma" | "ema" | "rsi" | "atr"

period required · number

Variant 4: object

indicator required · "macd"

fast required · number

slow required · number

signal required · number

component required · "line" | "signal" | "histogram"

stageALearningRateMin required · number

stageALearningRateMax required · number

stageAL2Min required · number

stageAL2Max required · number

stageAEpochsMin required · number

stageAEpochsMax required · number

stageAPosWeightMin required · number

stageAPosWeightMax required · number

tpMin required · number

tpMax required · number

slMin required · number

slMax required · number

reserveCashPctMin required · number

reserveCashPctMax required · number

optimizeProbThreshold required · boolean

probThresholdMin required · number

probThresholdMax required · number

executionMode required · "notional" | "capital"

executionBrokerId required · string

leverageMode required · "cash" | "reg_t"

requestedLeverage required · 1 | 2

marginInterestAnnualRatePct required · null | number

View marginInterestAnnualRatePct model

Variant 1: null

null

Variant 2: number

number

marginInterestDayCountBasis required · null | number

View marginInterestDayCountBasis model

Variant 1: null

null

Variant 2: number

number

marginInterestRateSource required · null | string

View marginInterestRateSource model

Variant 1: null

null

Variant 2: string

string

marginInterestBenchmarkId required · null | string

View marginInterestBenchmarkId model

Variant 1: null

null

Variant 2: string

string

marginInterestBenchmarkRatePct required · null | number

View marginInterestBenchmarkRatePct model

Variant 1: null

null

Variant 2: number

number

marginInterestBenchmarkRateSeries required · null | array of object

View marginInterestBenchmarkRateSeries model

Variant 1: null

null

Variant 2: array of object

Array items:

date required · string

rate_pct required · number

marginInterestSpreadPct required · null | number

View marginInterestSpreadPct model

Variant 1: null

null

Variant 2: number

number

initialMarginRequirementPct required · null | number

View initialMarginRequirementPct model

Variant 1: null

null

Variant 2: number

number

maintenanceMarginRequirementPct required · null | number

View maintenanceMarginRequirementPct model

Variant 1: null

null

Variant 2: number

number

marketFeeProfile required · null | object

View marketFeeProfile model

Variant 1: null

null

Variant 2: object

Additional fields: JSON value.

initialCapital required · number

riskPerTradePct required · number

maxPositionPctEquity required · number

maxGrossExposurePctEquity required · number

allowFractionalShares required · boolean

maxTradesPerDay required · null | number

View maxTradesPerDay model

Variant 1: null

null

Variant 2: number

number

commissionBps required · number

slippageBps required · number

halfSpreadBps required · number

borrowBpsPerBar required · number

minTrades required · number

maxDrawdown required · number

drawdownGateMetric required · "max_drawdown_p75" | "max_drawdown_stitched"

maxSymbolConcentration required · number

minRiskAdjusted required · number

maxTurnover required · null | number

View maxTurnover model

Variant 1: null

null

Variant 2: number

number

maxCvar95 required · null | number

View maxCvar95 model

Variant 1: null

null

Variant 2: number

number

lambdaReturn required · number

lambdaStability required · number

lambdaTail required · number

lambdaDrawdown required · number

lambdaConcentration required · number

lambdaTurnover required · number

negativeRiskAdjustedPenalty required · number

saveValidationTrades required · boolean

stageASeedBase required · number

stageBSeedBase required · number

Example

Examples use fictional data. Replace identifiers with resources you can access. For account requests, cookies.txt must contain your own session; set CSRF_TOKEN to the matching CSRF cookie value where required.

Save as request.json

{}

cURL (POSIX shell)

curl --include \
  --request POST \
  'https://api.weavers.app/api/strategies/11111111-1111-4111-8111-111111111111/fork' \
  --cookie cookies.txt --cookie-jar cookies.txt \
  --header 'x-idempotency-key: example-request-0001' \
  --header 'Origin: https://weavers.app' \
  --header "X-CSRF-Token: ${CSRF_TOKEN}" \
  --header 'Content-Type: application/json' \
  --data-binary @request.json

Responses

200 · Successful response.

application/json

200 example · synthetic data

{
  "runId": "1",
  "createdAt": "2025-01-01T00:00:00.000Z",
  "idempotentReplay": false,
  "parentStrategyId": "1",
  "parentStrategyAlias": "example",
  "childStrategyId": "1",
  "childStrategyAlias": "example"
}

View response model

runId required · string

createdAt required · string

idempotentReplay required · boolean

parentStrategyId required · string

parentStrategyAlias required · string

childStrategyId required · string

childStrategyAlias required · string

Additional fields: JSON values.

202 · Work accepted. Poll the returned job or request identifier.

application/json

202 example · synthetic data

{
  "runId": "1",
  "createdAt": "2025-01-01T00:00:00.000Z",
  "idempotentReplay": false,
  "parentStrategyId": "1",
  "parentStrategyAlias": "example",
  "childStrategyId": "1",
  "childStrategyAlias": "example"
}

View response model

runId required · string

createdAt required · string

idempotentReplay required · boolean

parentStrategyId required · string

parentStrategyAlias required · string

childStrategyId required · string

childStrategyAlias required · string

Additional fields: JSON values.

400 · Invalid request.

application/json

400 example · synthetic data

{
  "error": "invalid_strategy_id"
}

View response model

Variant 1: object

error required · "invalid_strategy_id" | "strategy_id_required"

Additional fields: JSON values.

Variant 2: object

error required · string

Additional fields: JSON values.

Variant 3: object

error required · string

code required · string

Additional fields: JSON values.

401 · Authentication is missing or invalid.

application/json

401 example · synthetic data

{}

View response model

Error envelopes can include resource-specific details. Check the status before reading these fields.

error optional · string

code optional · string

message optional · string

Additional fields: JSON values.

403 · Permission, origin or CSRF check failed.

application/json

403 example · synthetic data

{}

View response model

Error envelopes can include resource-specific details. Check the status before reading these fields.

error optional · string

code optional · string

message optional · string

Additional fields: JSON values.

404 · Resource or enabled capability not found.

application/json

404 example · synthetic data

{
  "error": "example",
  "code": "example"
}

View response model

error required · string

code required · string

Additional fields: JSON values.

429 · Rate limit reached; honor Retry-After when supplied.

application/json

429 example · synthetic data

{}

View response model

Error envelopes can include resource-specific details. Check the status before reading these fields.

error optional · string

code optional · string

message optional · string

Additional fields: JSON values.

500 · Server failure.

application/json

500 example · synthetic data

{
  "error": "example",
  "code": "example"
}

View response model

error required · string

code required · string

Additional fields: JSON values.

default · Operation-specific error. Inspect error/code before deciding whether to retry.

application/json

default example · synthetic data

{
  "error": "example",
  "code": "example"
}

View response model

error required · string

code required · string

Additional fields: JSON values.