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Estimate cost for a structure and binding prediction

client.Predictions.StructureAndBinding.EstimateCost(ctx, body) (*PredictionStructureAndBindingEstimateCostResponse, error)
POST/compute/v1/predictions/structure-and-binding/estimate-cost

Estimate the cost of a prediction without creating any resource or consuming GPU.

ParametersExpand Collapse
body PredictionStructureAndBindingEstimateCostParams
Entities []PredictionStructureAndBindingEstimateCostParamsInputEntityUnion

Entities (proteins, RNA, DNA, ligands) forming the complex to predict. Order determines chain assignment.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputEntityProteinEntity struct{…}
ChainIDs []string

Chain IDs for this entity

Type Protein
Value string

Amino acid sequence (one-letter codes)

Cyclic booloptional

Whether the sequence is cyclic

Modifications []PredictionStructureAndBindingEstimateCostParamsInputEntityProteinEntityModificationUnionoptional

Post-translational modifications. Optional; defaults to an empty list when omitted.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputEntityProteinEntityModificationCcdModification struct{…}
ResidueIndex int64

0-based index of the residue to modify

minimum0
Type Ccd
Value string

CCD code from RCSB PDB (e.g. 'MSE' for selenomethionine, 'SEP' for phosphoserine)

type PredictionStructureAndBindingEstimateCostParamsInputEntityProteinEntityModificationSmilesModification struct{…}
ResidueIndex int64

0-based index of the residue to modify

minimum0
Type Smiles
Value string

SMILES string for the modification

type PredictionStructureAndBindingEstimateCostParamsInputEntityRnaEntity struct{…}
ChainIDs []string

Chain IDs for this entity

Type Rna
Value string

RNA nucleotide sequence (A, C, G, U, N)

Cyclic booloptional

Whether the sequence is cyclic

Modifications []PredictionStructureAndBindingEstimateCostParamsInputEntityRnaEntityModificationUnionoptional

Chemical modifications. Optional; defaults to an empty list when omitted.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputEntityRnaEntityModificationCcdModification struct{…}
ResidueIndex int64

0-based index of the residue to modify

minimum0
Type Ccd
Value string

CCD code from RCSB PDB (e.g. 'MSE' for selenomethionine, 'SEP' for phosphoserine)

type PredictionStructureAndBindingEstimateCostParamsInputEntityRnaEntityModificationSmilesModification struct{…}
ResidueIndex int64

0-based index of the residue to modify

minimum0
Type Smiles
Value string

SMILES string for the modification

type PredictionStructureAndBindingEstimateCostParamsInputEntityDnaEntity struct{…}
ChainIDs []string

Chain IDs for this entity

Type Dna
Value string

DNA nucleotide sequence (A, C, G, T, N)

Cyclic booloptional

Whether the sequence is cyclic

Modifications []PredictionStructureAndBindingEstimateCostParamsInputEntityDnaEntityModificationUnionoptional

Chemical modifications. Optional; defaults to an empty list when omitted.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputEntityDnaEntityModificationCcdModification struct{…}
ResidueIndex int64

0-based index of the residue to modify

minimum0
Type Ccd
Value string

CCD code from RCSB PDB (e.g. 'MSE' for selenomethionine, 'SEP' for phosphoserine)

type PredictionStructureAndBindingEstimateCostParamsInputEntityDnaEntityModificationSmilesModification struct{…}
ResidueIndex int64

0-based index of the residue to modify

minimum0
Type Smiles
Value string

SMILES string for the modification

type PredictionStructureAndBindingEstimateCostParamsInputEntityLigandCcdEntity struct{…}
ChainIDs []string

Chain IDs for this ligand

Type LigandCcd
Value string

CCD code (e.g., ATP, ADP)

type PredictionStructureAndBindingEstimateCostParamsInputEntityLigandSmilesEntity struct{…}
ChainIDs []string

Chain IDs for this ligand

Type LigandSmiles
Value string

SMILES string representing the ligand

Binding PredictionStructureAndBindingEstimateCostParamsInputBindingUnionoptional
Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputBindingLigandProteinBinding struct{…}
BinderChainID string

Chain ID of the ligand binder (must have exactly 1 copy, <50 atoms, and only ligands+proteins in entities)

Type LigandProteinBinding
type PredictionStructureAndBindingEstimateCostParamsInputBindingProteinProteinBinding struct{…}
BinderChainIDs []string

Chain IDs of the protein binders

Type ProteinProteinBinding
Bonds []PredictionStructureAndBindingEstimateCostParamsInputBondoptional

Bond constraints between atoms. Atom-level ligand references currently support ligand_ccd only; ligand_smiles is unsupported.

Atom1 PredictionStructureAndBindingEstimateCostParamsInputBondAtom1Union

Ligand atom reference. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputBondAtom1LigandAtom struct{…}

Ligand atom reference. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

AtomName string

Standardized atom name (verifiable in CIF file on RCSB). Atom-level references to ligand_smiles entities are currently unsupported; use ligand_ccd instead.

ChainID string

Chain ID containing the atom

Type LigandAtom
type PredictionStructureAndBindingEstimateCostParamsInputBondAtom1PolymerAtom struct{…}
AtomName string

Standardized atom name (verifiable in CIF file on RCSB)

ChainID string

Chain ID containing the atom

ResidueIndex int64

0-based residue index

minimum0
Type PolymerAtom
Atom2 PredictionStructureAndBindingEstimateCostParamsInputBondAtom2Union

Ligand atom reference. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputBondAtom2LigandAtom struct{…}

Ligand atom reference. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

AtomName string

Standardized atom name (verifiable in CIF file on RCSB). Atom-level references to ligand_smiles entities are currently unsupported; use ligand_ccd instead.

ChainID string

Chain ID containing the atom

Type LigandAtom
type PredictionStructureAndBindingEstimateCostParamsInputBondAtom2PolymerAtom struct{…}
AtomName string

Standardized atom name (verifiable in CIF file on RCSB)

ChainID string

Chain ID containing the atom

ResidueIndex int64

0-based residue index

minimum0
Type PolymerAtom
Constraints []PredictionStructureAndBindingEstimateCostParamsInputConstraintUnionoptional

Structural constraints (pocket and contact). Atom-level ligand references currently support ligand_ccd only; ligand_smiles is unsupported.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputConstraintPocketConstraint struct{…}

Constrains the binder to interact with specific pocket residues on the target.

BinderChainID string

Chain ID of the binder molecule

ContactResidues map[string, []int64]

Binding pocket residues keyed by chain ID. Each key is a chain ID (e.g. "A") and the value is an array of 0-indexed residue indices that define the pocket on that chain.

MaxDistanceAngstrom float64

Maximum allowed distance in Angstroms between binder and pocket residues. Typical range: 4-8 A.

Type Pocket
Force booloptional

Whether to force the constraint

type PredictionStructureAndBindingEstimateCostParamsInputConstraintContactConstraint struct{…}

Contact constraint between two tokens. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

MaxDistanceAngstrom float64

Maximum distance in Angstroms

Token1 PredictionStructureAndBindingEstimateCostParamsInputConstraintContactConstraintToken1Union

Ligand contact token. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputConstraintContactConstraintToken1PolymerContactToken struct{…}
ChainID string

Chain ID

ResidueIndex int64

0-based residue index

minimum0
Type PolymerContact
type PredictionStructureAndBindingEstimateCostParamsInputConstraintContactConstraintToken1LigandContactToken struct{…}

Ligand contact token. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

AtomName string

Atom name. Atom-level references to ligand_smiles entities are currently unsupported; use ligand_ccd instead.

ChainID string

Chain ID

Type LigandContact
Token2 PredictionStructureAndBindingEstimateCostParamsInputConstraintContactConstraintToken2Union

Ligand contact token. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

Accepts one of the following:
type PredictionStructureAndBindingEstimateCostParamsInputConstraintContactConstraintToken2PolymerContactToken struct{…}
ChainID string

Chain ID

ResidueIndex int64

0-based residue index

minimum0
Type PolymerContact
type PredictionStructureAndBindingEstimateCostParamsInputConstraintContactConstraintToken2LigandContactToken struct{…}

Ligand contact token. Atom-level ligand references currently support ligand_ccd entities only; ligand_smiles is unsupported.

AtomName string

Atom name. Atom-level references to ligand_smiles entities are currently unsupported; use ligand_ccd instead.

ChainID string

Chain ID

Type LigandContact
Type Contact
Force booloptional

Whether to force the constraint

ModelOptions PredictionStructureAndBindingEstimateCostParamsInputModelOptionsoptional
RecyclingSteps int64optional

The number of recycling steps to use for prediction. Default is 3.

minimum1
SamplingSteps int64optional

The number of sampling steps to use for prediction. Default is 200.

minimum1
StepScale float64optional

Diffusion step scale (temperature). Controls sampling diversity — higher values produce more varied structures. Default is 1.638.

minimum1.3
maximum2
NumSamples int64optional

Number of structure samples to generate

minimum1
maximum10
Model param.Field[Boltz2_1]

Model to use for prediction

const Boltz2_1Boltz2_1 Boltz2_1 = "boltz-2.1"
IdempotencyKey param.Field[string]optional

Client-provided key to prevent duplicate submissions on retries

maxLength255
WorkspaceID param.Field[string]optional

Target workspace ID (admin keys only; ignored for workspace keys)

ReturnsExpand Collapse
type PredictionStructureAndBindingEstimateCostResponse struct{…}

Estimate response with monetary values encoded as decimal strings to preserve precision.

Breakdown PredictionStructureAndBindingEstimateCostResponseBreakdown

Cost breakdown for the billed application.

Application PredictionStructureAndBindingEstimateCostResponseBreakdownApplication
Accepts one of the following:
const PredictionStructureAndBindingEstimateCostResponseBreakdownApplicationStructureAndBinding PredictionStructureAndBindingEstimateCostResponseBreakdownApplication = "structure_and_binding"
const PredictionStructureAndBindingEstimateCostResponseBreakdownApplicationSmallMoleculeDesign PredictionStructureAndBindingEstimateCostResponseBreakdownApplication = "small_molecule_design"
const PredictionStructureAndBindingEstimateCostResponseBreakdownApplicationSmallMoleculeLibraryScreen PredictionStructureAndBindingEstimateCostResponseBreakdownApplication = "small_molecule_library_screen"
const PredictionStructureAndBindingEstimateCostResponseBreakdownApplicationProteinDesign PredictionStructureAndBindingEstimateCostResponseBreakdownApplication = "protein_design"
const PredictionStructureAndBindingEstimateCostResponseBreakdownApplicationProteinLibraryScreen PredictionStructureAndBindingEstimateCostResponseBreakdownApplication = "protein_library_screen"
const PredictionStructureAndBindingEstimateCostResponseBreakdownApplicationAdme PredictionStructureAndBindingEstimateCostResponseBreakdownApplication = "adme"
CostPerUnitUsd string

Estimated cost per displayed unit as a decimal string, rounded up to 4 decimal places. This may include token-size multipliers or generation overhead; estimated_cost_usd is the authoritative total.

NumUnits int64

Number of units shown for the estimate. For structure-and-binding, this is the requested number of samples. For protein and small-molecule design/screen endpoints, this is the requested number of proteins or molecules.

Disclaimer string
EstimatedCostUsd string

Estimated total cost as a decimal string

Estimate cost for a structure and binding prediction

package main

import (
  "context"
  "fmt"

  "github.com/boltz-bio/boltz-api-go"
  "github.com/boltz-bio/boltz-api-go/option"
)

func main() {
  client := boltzapi.NewClient(
    option.WithAPIKey("My API Key"),
  )
  response, err := client.Predictions.StructureAndBinding.EstimateCost(context.TODO(), boltzapi.PredictionStructureAndBindingEstimateCostParams{
    Input: boltzapi.PredictionStructureAndBindingEstimateCostParamsInput{
      Entities: []boltzapi.PredictionStructureAndBindingEstimateCostParamsInputEntityUnion{boltzapi.PredictionStructureAndBindingEstimateCostParamsInputEntityUnion{
        OfPredictionStructureAndBindingEstimateCostsInputEntityProteinEntity: &boltzapi.PredictionStructureAndBindingEstimateCostParamsInputEntityProteinEntity{
          ChainIDs: []string{"string"},
          Value: "value",
        },
      }},
    },
    Model: "boltz-2.1",
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", response.Breakdown)
}
{
  "breakdown": {
    "application": "structure_and_binding",
    "cost_per_unit_usd": "0.0500",
    "num_units": 1
  },
  "disclaimer": "This is an estimate only and may differ from your actual charges. Final billing is based on exact token counts computed at run time. For large library screens, the estimate is extrapolated from a sample and may be less accurate for highly variable inputs.",
  "estimated_cost_usd": "0.0500"
}
Returns Examples
{
  "breakdown": {
    "application": "structure_and_binding",
    "cost_per_unit_usd": "0.0500",
    "num_units": 1
  },
  "disclaimer": "This is an estimate only and may differ from your actual charges. Final billing is based on exact token counts computed at run time. For large library screens, the estimate is extrapolated from a sample and may be less accurate for highly variable inputs.",
  "estimated_cost_usd": "0.0500"
}