A valid request URL is required to generate request examples{
"jsonrpc": "2.0",
"id": "<string>",
"error": {
"code": 123,
"message": "<string>",
"data": [
{}
]
}
}{
"jsonrpc": "2.0",
"id": "<string>",
"error": {
"code": 123,
"message": "<string>",
"data": [
{}
]
}
}Call agent over JSON-RPC
Accepts a Bifrost virtual key in x-bf-vk, Authorization: Bearer, x-api-key, or x-goog-api-key. Authentication is required when enforce_auth_on_inference is enabled. An explicitly supplied invalid key is rejected even when authentication is optional. Access remains subject to agent grants and governance policy. A2A v1 JSON-RPC 2.0. SendStreamingMessage and SubscribeToTask return SSE. Protocol errors are JSON-RPC error envelopes; unsupported A2A-Version returns HTTP 200 with error code -32009. Unknown or disabled agents return an empty 404. gRPC is a separate listener advertised by the card when configured. SSE data events contain JSON-RPC response envelopes with A2A events.
A valid request URL is required to generate request examples{
"jsonrpc": "2.0",
"id": "<string>",
"error": {
"code": 123,
"message": "<string>",
"data": [
{}
]
}
}{
"jsonrpc": "2.0",
"id": "<string>",
"error": {
"code": 123,
"message": "<string>",
"data": [
{}
]
}
}Authorizations
Bifrost Virtual Key for governance, routing, and access control. Supported on all inference endpoints (/v1/*, /openai/*, /anthropic/*, /bedrock/*, /cohere/*, /genai/*, /langchain/*, /litellm/*, /pydanticai/*, /mcp), not on management APIs (/api/*) - with the single
exception of the self-service GET /api/governance/virtual-keys/quota, where the virtual key is the credential.
Example: sk-bf-* prefixed keys.
Headers
A2A v1 only. Omit to use the SDK default, or provide a 1.x version.
A2A extension URIs requested by the client.
Path Parameters
Body
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